Smart Cities, an ecosystem full of opportunities

At this point we will not spend much time defining a Smart City. If you want to dive into the concept of the Smart City, we invite you to review the article on what a Smart City is that we already shared on this topic.

To complement this information, today we will explore some real examples of Smart City, as well as trends that, over time, are proving to have bigger impact on services to citizenship.

Some examples of Smart City

The United Arab Emirates have created a city whose objective is not only sustainability, but also to be self-sufficient in natural resources. It is the City of Masdar, in Abu Dhabi. It hosts intelligent buildings that self-regulate the interior temperature, and systems to minimize the effects of the sun. Public transport is autonomous and the electricity grid is supplied 100% by solar panels.

New York is one of the most populous cities in the world, and one of the benchmarks in Smart City in the United States. In 2015, the so-called 'BigBelly' were introduced, rubbish bins equipped with wireless sensors to control their capacity, allowing the waste collection service to program routes more intelligently. This system includes a solar-powered trash compactor that helps increase the container's capacity by five.

In Amsterdam, 67% of journeys through the city center are made by bicycle. Although surprising, bike traffic jams happen usually at rush hour. In recent years, the city has deployed a network of sensors and a traffic management system for bicycle users, in such a way that, during those hours of greatest occupation, alternative routes can be defined and proposed to users to speed up travel .

The case of Barcelona

We can also find many examples of Smart City projects in Spain, for example, in Barcelona.

Urban transport systems have introduced hybrid buses, solar panels on bus shelters and the routes of the bus network have been optimized to be able to make 95% of trips with a maximum of one transfer between two destinations in any city . All this thanks to big data and the analysis of the influx of users and their routes.

Waste management has also incorporated digital technology in a similar way to New York. A container system with the capacity to generate a vacuum system allows the elimination of bad odours, at the same time, it incorporates available capacity sensors in real time that communicate to a centralized system that allows optimal routes to be optimized every day.

A smart street lighting system with low-energy bulbs and sensors that can measure humidity, temperature, air pollution, and the presence of people or noise is used throughout the city. In this way, the lighting intensity is adapted autonomously, reducing energy consumption. This is usually one of the first measures deployed in any Smart City as it offers direct savings on energy bills at a very reasonable cost and with technology that has already been widely tested in a real environment.

Trends for Smart Cities

Smart Cities are not a thing of the future, they are very much of the present. We refer to the previous examples on how a public service can be optimized with the application of technological projects. But not everything goes. Disruptive solutions can be invented and ingenious projects deployed, but in the medium term, which ones will actually have real success colonizing the majority of cities? What ideas or technologies or services will be the ones that will capture the attention and budgets of municipal administrations?

The first reflection is that this will depend on each city. Depending on your location, population, culture, idiosyncrasy or even the political profile of your rulers at a given time, you will define your priority challenges. Some will advocate for traffic management and sustainable mobility, others for water management and others for citizen security among many possible lines of work.

Identifying those motivations to submit the most suitable proposals will increase the probability that an opportunity will become a real project.

That said, if we statistically analyze the most common projects, we see common trends.

Technological infrastructure Data interoperability

A Smart City would not be such if it does not have sensors that collect a flow of data on which decisions can be made to improve or manage the resources available. This information already demonstrates a large volume and will be exponentially growing in the future. For this reason, it is necessary to work on sufficient storage capacity, on robust communication networks and on management software that is as centralized and open as possible to guarantee the correct processing of data in real time and interoperability between services and administrations. Without investing in these technological infrastructure capacities, it is almost impossible to advance in the deployment of the Smart City.


All data collected and stored is highly valuable information that must be protected to prevent cybercrime. Let us remember that many of them may refer to personal data or behavioral habits of citizens, who expect maximum privacy in exchange for providing them.

For this reason, cybersecurity is one of the critical aspects that administrations must work on. Citizens will only join the wave of the Smart City if they feel to a certain degree confidence that their data is protected, and that there is no fraudulent, partisan or economic use of it.

Smart traffic management

In large cities, traffic is usually a major problem that generates major headaches for managers and citizens. In addition, its consequences in terms of air pollution and noise are very negative.

The implementation of technology (cameras, sensors...) that allows obtaining real-time data on traffic in order to optimize routes is an obvious line of work. For this, the use of classic urban equipment as a platform in which to integrate digital technology should be considered. For example, intelligent containment systems can contain impacts when there are road exits, but also prevent accidents and provide statistical information in real time.

Metaurban® SMART

First parapet approved with active safety

Find out!

Public lighting service or waste management

Public lighting represents a very high expense for the city's bill. For many years now it has been confirmed that an investment in autonomously controlled LED technology for lighting regulation is a technically robust and profitable project in the medium term.

The digitization of the waste collection service has started later but, as we have explained, there are already numerous pilot projects in this line.

Useful projects for Smart Cities

Smart Cities cannot be the new excuse to place technological services without value. Each proposal must quantitatively demonstrate resource efficiency, sustainability, useful information, or a better experience for people. And ideally several of these benefits combined.

At Metalesa we have been working for many years to provide optimal solutions for Smart Cities, thinking of the ultimate benefit that citizens will obtain, for example, our Metaurban® SMART, the world's first smart urban parapet with active road safety, which not only contains, but also prevents and informs. An innovation that invites the private sector to transform urban equipment and take it to a new dimension by integrating it into the Smart City ecosystem.

Whether you are from a public administration and are looking for ideas, or a company interested in developing new products and looking for alliances, do not hesitate and contact us. We will be happy to help you and explore ways of collaboration.

United Nations World Road Safety Week

Like every year, the third week of May marks the United Nations World Road Safety Week, an event that wants to put in the spotlight the various dangers that exist on the roads to create awareness, thus serving as a loudspeaker for developing regulations that help reduce incidents and save lives.

Last year, a campaign was launched under the slogan #StreetsForLife #Love30. The goal was to create residential urban areas with a speed limit of 30km/h, thus contributing to make cities safer, more ecological and suitable for different mobility models, vehicles, scooters, bicycles and VMPs.

This was the first of many campaigns that have been planned as part of the Decade of Action for Road Safety 2021-2030. This action plan is part of the 2030 Agenda for Sustainable Development, a worldwide voluntary action plan agreed upon by the Member States of the United Nations to protect the planet and all of us who inhabit it, and which seeks, among many other sustainability objectives, to be able to prevent at least 50% of traffic accidents by 2030.

This is more urgent than ever because recent studies speak out about worrying trends. According to Fundación Linea Directa, "the urban accident rate among vulnerable users could worsen, causing up to 5,500 deaths in Spanish cities by 2030, which represents an annual increase of between 30 and 50%". Among the main arguments that the study exposes are the massive deployment of bike lanes in urban environments, the popularity of VMPs, or the lack of social awareness of sustainable mobility.

The new models of urban mobility, a new need

Within the objectives of the 2030 Agenda, special emphasis is placed on the concept of Sustainable Cities: large human settlements in which resource consumption is sustainable without harming air quality. This is why in recent years awareness campaigns have been designed towards more sustainable mobility inside and outside urban areas with the creation of Low Emission Zones and the expansion of pedestrian and bicycle lanes.

With all this, new means of personal mobility have emerged and regulations have become obsolete or have had to be adapted, thus giving rise to new needs in road safety systems.

First approved parapet with active safety

Metalesa's mission is to protect people, it is to save lives. Uniting this purpose with this context of new mobility in urban environments, the idea arose of creating the new Metaurban® SMART, the first parapet with active road safety, that is, it not only passively waits to contain an accident, but also prevents these happen through intelligent signage.

The development of this new product responds to society's growing need to have approved products as a guarantee of quality for urban and peri-urban areas, while taking advantage of new technologies and the deployment of 5G communications to bring containment to a new dimension as smart products.

It is a system fully aligned with the new trends in infrastructure management: security, sustainability and connectivity.

  • It guarantees safety because it has been tested on a real scale as certified by the CE marking.
  • It promotes sustainable mobility by making the new infrastructures in cities safer and friendlier.
  • It is connectable because it integrates PLUG&META® technology, which not only waits for the accident to happen, but also identifies risk situations, and acts by alerting road users through signalling, minimizing the probability that these accidents will happen. Up to 10 functional scenarios have been developed, for example, accident warning, pedestrian presence, excessive speed, traffic jams, or bad visibility warning, among others.

It is a totally innovative parapet because, as can be seen, in addition to containing it in the event of an accident, it prevents these from happening, and also collects data and informs the municipal authority of all those events that are desired, from quality data of air, counting or multiple statistics of events detected by the sensors incorporated in the parapet.

Metaurban® SMART

First parapet approved with active safety

Find out!

The system is modular, in such a way that SMART technology can be incorporated only in that section where there really is a special need, and the rest can be a traditional containment system that is 100% safe before leaving the track.

And all of this can be managed remotely thanks to the management platform accessible from any device.

In this way, a traditional containment system has evolved into a new traffic management and urban mobility and information service for the city.

The Metaurban® SMART parapet represents a breakthrough in the urban equipment sector, prompting the imagination of how the IoT can transform static elements into active digital members of the smart city ecosystem.

Our goal is to improve people's quality of life, focusing our efforts on offering a range of technologically advanced security and protection solutions. If you want to know a little more about this technology, visit our new microsite.

Green facades against noise in large cities

Green facades against noise in large cities are an effective and sustainable alternative to the current lifestyle. Historically, nature has been introduced into urban environments through parks and green areas in delimited spaces. Over time this trend has been evolving, and more and more, the proposal aims at integrating nature and environmental awareness in our daily lives to develop a society that is as sustainable as possible.

What are green cities?

These cities are those that respect the environment to a greater extent and facilitate the coexistence of people with nature in their daily lives. Green cities seek to take advantage of natural resources, thus favoring friendly urban environments in such important aspects as green spaces, air quality, coexistence with animals or temperature regulation.

Large cities find it very difficult to adapt to this objective, which is why their authorities often seek disruptive solutions that attract sustainability without destroying everything that has already been built. One of the most effective solutions are vertical gardens. Flowers, aromatic plants and even urban gardens planted on walls that help clean the air and bring numerous benefits to people. Plants absorb CO2 from the air while producing oxygen, they have pleasant smells, they also regulate temperature and act as a layer against noise.

In cities like Singapore, always at the forefront of sustainability, or much closer, Vitoria-Gasteiz, named European Green Capital in 2012, we can find examples of this concept.


Our commitment to sustainability

At Metalesa we are committed to the environment and sustainability by providing innovative solutions, such as our screens against noise pollution. These screens are barriers specially designed to deal with the problem of noise pollution for both people and animals.

Today in particular, we focus on a solution for noise pollution that is also sustainable and provides great support for introducing vegetation into urban spaces.

Our Metagreen acoustic screens integrate nature into urban spaces in the style of vertical gardens. This product is in tune with the concepts of green cities and smart cities, since it provides the technology of acoustic screens against noise plus the benefits for the health of people and the environment with its natural cover of living vegetation.

Metagreen acoustic screens

The Metagreen sound-absorbing panel is made up of a hot-dip galvanized steel frame that fits between the fastening profiles of the support structure. Its interior is made up of rock wool and other materials that, together with the green plastic mesh, facilitate the growth of vegetation on both sides. In addition, they are sustainable, since the rock wool inside them is capable of retaining rainwater, which becomes a moisture reserve for the vegetation that grows outside.

Advantages of the Metagreen acoustic screen

Being a plant panel, it integrates magnificently with the landscape and blends in with the new model of green cities with vertical gardens. Among its most notable advantages it is important to highlight the natural properties of vertical gardens, such as the release of oxygen, as well as the absorption of CO2, temperature regulation and livening up of urban spaces, visually approaching natural spaces.

It also has numerous advantages such as its durability thanks to the galvanized anti-corrosion treatment, its excellent insulating and absorbing properties against noise pollution.


Plant-like sound-absorbing panels

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Where to install plant-based anti-noise screens?

One of the most common spaces where these screens are added is on roads, since their maintenance is minimal and simple. It is also very common to see them in urban, public and private areas, such as chalets or urbanizations due to their attractive plant aesthetics and their fantastic anti-noise properties. They perform a dual aesthetic and acoustic function.

How are Metagreen acoustic screens installed?

These screens are very easy to install, but it is convenient that any project is studied by our team of engineers to guarantee the expected acoustic result and the robustness of the solution.

Green cities are a great alternative to urban spaces far from nature. If you want more information about our Metagreen screens, or want to know our complete range of acoustic screens, contact us. We will be happy to help you.

Solutions to isolate traffic noise on roads and cities

Roads unite people. Every day it is estimated that millions of vehicles circulate on the roads.

At Metalesa, our goal is to ensure the safety of people. For this reason, we take care of guaranteeing safety while driving with our containment systems such as bridge parapets, terminals or crush cushions. However, on the roads there is another danger that is not seen, but heard. And not for vehicle occupants, but for the people who live around road infrastructures: noise pollution.

Noise pollution is a problem that we face every day both on roads and in urban environments. Its effects are harmful to people and the environment, therefore, society is increasingly becoming aware of it and taking action through specific action plans governed by the authorities.

Acoustic studies on roads

Precisely, one of these measures is the performance of acoustic studies. The pollution of a specific area can be measured with noise maps. If an excess of noise is concluded as a result of such study, the next step is to configure the optimum solution to attenuate it, normally with an acoustic screen.

Undoubtedly, acoustic screens are the best corrective measure to reduce the propagation of noise generated by road or rail traffic, since they act as a barrier between the receiver and the noise source, both absorbing and reflecting the noise waves. Thus, acoustic screens are the most widely used anti-noise systems in transport infrastructures, due to their rapid installation, their value for money and their effectiveness.

Our acoustic screens

At Metalesa, through the installation of our acoustic screens, we ensure the quality of life of people who struggle day to day traffic noise.

Our acoustic screens are conformed of sound-absorbing panels that provide quality acoustic and mechanical solutions. No only they minimize noise pollution from traffic on roads and railways, but also from many other sources such as industrial facilities (factories,...), commercial malls (air conditioning equipment), or massive events in public/private facilities (sport stadiums, leisure clubs, hotels…). All of our acoustic screens comply with European standards EN14388, EN16272 and EN16727.

Learn more about the Regulation of noise reduction devices for roads.

How to decide among different type of acoustic screens?

There are multiple drivers to analyse when choosing the right acoustic screen for a certain project.

  • On the one hand, the requirements defined by the acoustic study should guide the project.
  • It is essential to take into account the environmental and climatological agents to which the panels will be exposed. Mainly the wind loads that dictate the mechanical loads that the panel must support. Our experts in calculation of structures have extensive experience in designing the optimal solution for each case. But also other aspects such as the type of environment, which derives in different levels of corrosivity, and before which, the appropriate finishes must be applied. Or even climate or exposure to snow which may recommend different materials.
  • Finally, aesthetics is another part of the decision. Goals such as integration with a forest or a green landscape, or even keeping nice views of an attractive panorama, are issues to take into account and that can make one solution more convenient than another.

All these aspects must be taken into account together so that the technicians in charge of carrying out the project select the panel that best suits the needs of each acoustic screen work. We have several panel configurations for each scenario, all of them accredited by tests carried out in accredited laboratories: metallic steel or aluminum, methacrylate, wood or vegetable mesh. Having said that, the most commonly installed screens for road and railway infrastructures are steel ones. We have numerous models that solve any casuistry. You can see all our acoustic screens at this link.

But in this article, we focus on less common, but equally interesting speaker configurations:

Metawood noise barrier with wooden panels

This sound-absorbing panel is made up of wood modules of varying dimensions, which fit between the HEA/HEB fastening profiles of the support structure.

The wooden acoustic panel consists of the following elements:

  • Traffic side: In this part, pine wood boards are arranged with the possibility of making different combinations with boards horizontally, vertically and obliquely, achieving various aesthetic effects.
  • Sound insulation: It is a semi-rigid rock wool panel with a black veil that protects it from erosion and humidity.
  • Rear side: They are planed pine wood boards arranged horizontally.
  • Thanks to the Metawood panel, maximum noise insulation and absorption is obtained. In addition, thanks to their natural materials they allow an excellent landscape integration.

Metagreen noise barrier with vegetal panels

Rock wool and other materials are placed inside the vegetable acoustic panels, along with a green plastic mesh that facilitates the growth of vegetation. Rock wool is capable of retaining rainwater inside, becoming a highly valuable moisture reserve both for animals and to facilitate the growth of vegetation. Metagreen panels are made of recyclable and sustainable materials.

The Metagreen acoustic screen guarantees an excellent acoustic and absorbent effect, in addition, it has a long durability when undergoing a galvanized anti-corrosion treatment.

MP Acoustic Panel Range

Long useful life

Know more!

Mixed steel and methacrylate noise barrier

The mixed steel and methacrylate acoustic screen, like the previous two, also has exceptional sound-absorbing qualities. We put at your disposal all kinds of varied designs.

In addition, its aesthetics provide excellent landscape integration.

We show you the mixed acoustic screen of steel and methacrylate that we installed in the work of the N-1 in Lasarte (Guipúzcoa).

If you need more information about our acoustic screens, or want to know our complete range, contact us. We will be happy to help you.

International Noise Awareness Day

Today is International Noise Awareness Day, a day to contribute in making our society understand the importance of reducing noise for our health and the environment.

Noise is usually defined as «Inarticulate sound, generally unpleasant». Today we live with noise everywhere due to the noise pollution produced, among others, by vehicles. The noise pollution to which we are exposed in our day to day life can cause serious consequences such as hearing loss, sleep disorders or cardiovascular diseases. Cities are taking more and more measures against these annoying sound, however, there is much work ahead, and other facilities such as airports, sports stadiums or auditoriums also need solutions to isolate noise

To reduce noise in urban spaces, we have a wide range of products that will combine with each space according to its style. Acoustic screens are an efficient and aesthetic solution that can be used in any of the cases.

Metagreen acoustic screens

These screens are our most sustainable acoustic screens and not only they perform their job against noise, but they also contribute to sustainability thanks to their built-in vegetation and the use of recyclable materials in their manufacture. Vertical Garden Concept.

These are screens made up of an interior of rock wool as the main material to absorb external noise and an exterior of micro-perforated plastic mesh thanks to which vertical vegetation will grow.

These screens offer an ecological and natural appearance, perfect to be installed in urbanizations and private areas where they will give the appearance of a vertical garden. Its galvanized treatment offers a long durability of these screens that insulate and absorb noise magnificently.

Methacrylate acoustic screens

Acoustic methacrylate acoustic screens are ideal for not losing light and ensure a visual sensation of spaciousness. It is an insulating panel that consists of a polymethacrylate sheet in a structure made up of synthetic rubber gaskets.

The methacrylate panel configuration achieves maximum insulation. It integrates with the landscape thanks to its transparency and/or colors. These screens can be combined in the personalized model with other materials, achieving a product that completely adapts to the aesthetics of your city.

Metawood acoustic screens

Wood also offers a touch of nature like Metagreen screens, but they can also be combined between wood vertically and horizontally to achieve different aesthetic effects.

Metawood screens have rock wool to isolate sound as well as a black protective veil that protects the panels from erosion and moisture.

Wood acoustic screens provide excellent insulation and maximum absorption. Its wooden aesthetic integrates perfectly with the landscape and the treatments they require are respectful of the environment.

Concrete acoustic screens

It is made up of a double layer of reinforced concrete structure and sound-absorbing porous concrete. These concrete acoustic panels can be the color of the concrete or painted smooth or with decoration.

It has good acoustic absorption. Isolates sound excellently. It is a very durable structure with low environmental impact, recyclable and without waste.

Customized acoustic screens

We can also create personalized noise barriers by combining different panel models, being able to design acoustic screens completely to the client's taste and adapted to the needs of each space.

It must be taken into account that the product that really performs the absorbent function is the rock wool housed inside, so the exterior can be designed to fit aesthetically with the space without affecting its properties.

These solutions that we describe for urban areas are applicable to isolate traffic noise on highways, where the installation of steel or aluminum acoustic screens is more common.

Steel or aluminum acoustic screens

Both the steel and aluminum acoustic screens are made up of a noise-absorbing layer, an inner layer of rock wool that isolates this noise, and the reflective layer so that the remaining noise does not pass through, but bounces back. Finally, to guarantee this acoustic performance, these panels are closed with polypropylene side covers.

They are a fantastic option for their insulation and absorption capabilities. In addition, they integrate with the environment thanks to their various designs and available combinations. Being a modular structure they are light and easy to install. They are also resistant to wind loads and rail traffic overpressure, a performance accredited in laboratory tests.

Acoustic screens can be temporary or fixed and the installation varies according to type. Among all the solutions that we offer in Metalesa, a previous acoustic study will always be assessed to guarantee the best solution against noise that adapts to the needs of the space. You can compare our screens in the product comparator or contact us, we will be happy to help you.

MP Acoustic Panel Range

Long useful life

Know more!

Our International Projects: Ireland

At Metalesa we have always been very clear about our main objective: improving the quality of people’s lives through our protection systems. Our job is to collaborate in the development of infrastructures that allow this goal to be met.

Currently, our areas of activity are: Road Safety, Mobility & Smart City, and Acoustics. In all of them, we are specialized in the development, engineering, manufacture and marketing of products for road, urban and railway equipment.

In addition, our export vocation has allowed us to protect people in different countries. Through the commercialization of our solutions we have been able to carry out the quality of our products to international markets, exporting to more than 40 countries on 4 continents.

Precisely, in today's article we want to talk to you about two of our international projects, specifically some that we have recently concluded in Ireland.

META13 parapet, the most complete containment system in its range

We present two projects with two aspects in common: They are in Ireland and in both cases the infrastructures were equipped with the META13 Parapet, our H2 containment level model

Works were carried out on the N25 New Ross Bypass roads in 2019 (1,1775 meters from META13) and on the M11 Gorey to Enniscorthy in 2018 (220 m from META13). We are very proud that Metalesa has participated in these international projects and that our products are contributing to the improvement of road safety beyond our borders.

We leave you the spectacular images of both projects

N25 New Ross Bypass

N25 New Ross Bypass

M11 Gorey to Enniscorthy


Features of the META13 parapet

The META13 steel parapet is a vehicle containment system designed for installation on the edges of bridge decks, grade-separated crossings, supporting wall crowns, and similar works.The device is approved according to Standard UNE EN 1317 Parts 1 and 2 that, together with compliance with Part 5 regarding production control, has obtained the CE marking.

Something that favors the possibility of installing our parapets in Ireland is precisely the creation of this regulation, since since 2011 it is mandatory that vehicle containment systems installed in the European Union be certified under the UNE EN 1317 standard. sense, the acceptance criteria after passing the rigorous tests to which the parapets are subjected, are the same for the entire European Union.

If you want to know more about the UNE EN 1317 Standard, we recommend you read this article.

Here are some of the advantages of the META13 steel parapet:

  • Reliability of the containment system following testing in the worst possible scenario on a cantilevered bridge deck.
  • The reduced dynamic deflection DN=0.6 m and the excellent working width WN=0.8 m (W2) of the system mean that it can be installed on supporting elements of optimised dimensions.
  • These properties allow for the installation of acoustic screens and vandal-proof fences at very short distances from the parapet.
  • System with shear anchor. In the event of a collision, it is rapid, simple and cheap to replace, with no structural alterations to the bridge deck.
  • Simple assembly due to its small number of components.
  • Can be transformed into an H3 system.
  • System versatility, as it can act as both a vehicle and a pedestrian containment system by installing a grille.
  • Alternative anchoring systems can be adapted for existing bridges.
  • Hot-dip galvanising of all its components according to Standard EN 1461.
  • Powder coating in the different standard colours of the RAL chart.

Our vision: an international future

Just as we have our mission clear, our vision too:

"We aspire to become a customer-oriented company with international recognition, anticipating the future of the sector."

And it is that our projects in Ireland are just one example of our commitment to society to get our products to the whole world. We believe that innovation is the key to being able to continue offering the market safer systems with higher performance, for this reason, we have our own R&D team that is responsible for researching and developing new products.

If you want to know more about our international projects, or need to ask us anything about our products, do not hesitate to contact us. We will be happy to help you in your project.


Know the regulations of containment systems

At Metalesa, whenever we talk to you about our products, we tell you what they are for, all their features, their advantages... That is why today we bring you a slightly different article in which we will talk about a topic that we usually touch on on our blog: regulation of vehicle containment systems UNE EN 1317.

If you need to review the existing vehicle containment systems, we recommend you read this article by clicking on this link.

A common regulation for the improvement of Road Safety

Since January 2011, it is mandatory for vehicle restraint systems installed in the European Union to be certified under the UNE EN 1317 standard. The creation of this standard implies the homogenization of the testing methodology for restraint systems and acceptance criteria, thus favoring Road Safety.

We understand that such technical standards can be difficult to understand and interpret, therefore, at Metalesa, as experts in the UNE EN 1317 Standard and as part of the UNE CTN135 standardization committee, we want to be your reference in Containment Systems Regulations . For this reason, in this article we will explain everything you need to know about the UNE 1317 Standard.

What is the UNE?

To explain the UNE EN 1317 regulation, it is first important to know where it comes from.

The UNE (Spanish Association for Standardization) is the only Standardization Organization in Spain. Its work lies in the creation of regulations for the different sectors, so that they conform to a series of standardized and accepted norms, which guarantee the quality and excellence of companies.

Specifically, at Metalesa we are part of the CTN-135 Standardization Committee (Equipment for Road Signalling), which is responsible for developing standards for the standardization of those elements or equipment intended for signalling, security, beaconing and traffic intended for information, planning and road safety. Therefore, the creation of standards related to vehicle restraint systems is included here.

Since its creation, the CTN-135 Normalizing Committee has elaborated 283 norms to favour Road Safety. In this article, we will focus specifically on the UNE EN 1317 standard.

Everything you need to know about the UNE EN 1317 STANDARD, the regulations for Vehicle Containment Systems

Vehicle restraint systems are essential Road Safety equipment on roads to avoid the serious consequences of an accident, which is why it is so important that their operation is subject to the acceptance criteria imposed by the UNE EN 1317 standard.

These are the factors it takes into account:

  • Containment level: Ensures that the containment system contains the vehicle in the event of a crash, without overturning the car or passing through the system.
  • Impact Severity: Reduces decelerations to minimize damage to vehicle occupants.
  • System deformation: Refers to the transverse displacement of the system during impact.
  • Redirection: Ensures the return to the road in a controlled manner of the vehicle that hits the containment system, in such a way that it does not invade other lanes.

Taking into account the above variables, we can differentiate between different types of restraint systems that differ in the consequences and effects that the impact of the vehicle has on the vehicle, the occupants, and the restraint system itself.

All containment systems are subjected to full-scale tests in which the above criteria are taken into account and must be passed in order to comply with the UNE EN 1317 standard.

Next, we are going to explain in a more extensive way each of the parameters that characterize containment systems:

Containment Level

It refers to the capacity of a Restraint System to withstand the impact load of a vehicle.

The risk of accidents on a given road, the speed allowed and the average number of heavy vehicles in each direction at the time of commissioning, determine the choice of the level of containment that a vehicle containment barrier must have.

In this sense, the UNE EN 1317 standard defines several containment levels, which are accepted when they pass rigorous full-scale tests. The list of essays that accredit each level can be seen in this image:

(*) The TB11 test aims to verify that the containment level of heavy vehicles is compatible with the safety of occupants in light vehicles.

These full-scale tests are carried out in accredited laboratories, so that values ​​are set for the speed at the moment of the crash, for the mass of the vehicle, and the angle at which it hits the vehicle restraint system.

Once the containment level has been established, a complex system of high-performance cameras and sensors calibrated in the laboratory allow the behaviour of a containment system to be defined by means of specific values ​​of the following parameters.

Impact Severity Level

The collision of a vehicle against a restraint system entails risks for its occupants. The impact severity level is defined by the severity of the risks inside the vehicle.

The Impact Safety level is calculated from the combination of the following values: Head Impact (THIV) and Deceleration (ASI).

It is important to note that, in Europe, the installation of an impact severity C restraint system is not authorised, as this value may involve a fatal impact for the driver of the vehicle.

System Deformation

The behavior of a safety barrier is characterized by the transverse displacement of the system at the moment of impact. This is defined in the full-scale tests through the working width and dynamic deflection parameters.

  • Dynamic Deflection: Refers to the maximum lateral dynamic displacement of the face of the Vehicle Restraint System closest to the traffic on the road. It is measured in meters.
  • Working Width: It is the distance between the face of the containment barrier closest to the flow of traffic before the impact occurs, and the farthest lateral position that during the impact reaches any essential part of the safety device. . The standard classifies this parameter from W1 to W8 depending on the meters of displacement.

  • Vehicle intrusion: This is the maximum dynamic lateral displacement of the containment system facing traffic without deforming. This parameter is evaluated through high-speed photographic or video recordings, considering a hypothetical load of length and width equal to that of the vehicle platform, and a total height of 4m. The UNE EN 1317 standard classifies this parameter from VI5 to VI5, depending on the meters of displacement.


Taking into account the above variables, we can characterize the various types of restraint systems, which will differ in the consequences and effects that the impact of the vehicle has on the vehicle, the occupants, and the restraint system itself.

We remind you that all containment systems with CE marking have been subjected to full-scale tests in which these criteria have been taken into account.

At Metalesa we are in charge of designing, manufacturing and installing vehicle containment systems taking into account all the acceptance criteria dictated by the UNE EN 1317 standard. In this way, we can guarantee the protection of people, and for this reason we must understand the regulations to perfection.

If after reading this article you still have any questions to resolve regarding the UNE EN 1317 regulation, we recommend you take a look at our section of frequently asked questions about containment systems, or if you prefer, you can contact us directly, we will be happy to answer your query.

For a safe Christmas on the road

We are approaching the Christmas holidays, when we usually meet with our loved ones, sometimes traveling many kilometres to be back home for some days. For us, the best Christmas gift is that all drivers arrive safely at their destinations.


Data that, even if you don't like it, we have to tell you

According to the DGT, last Christmas 57 fatalities were settled in traffic accidents on Spanish roads. Most of the accidents involved loss of control and run-off-road collisions. 21 people were vulnerable users (pedestrians, motorists and cyclists) while 35 were vehicle drivers.

This is not data kind to say, but, if we want to make drivers aware of the importance of being careful on the road this Christmas, it is necessary to expose the reality as hard as it is. Hopefully this year this figure is reduced to the minimum possible. Let's do our best to achieve this goal.

Traffic accidents: why do they happen more at Christmas time?

  • At Christmas trips increase, up to a 16 million estimation. The more cars out there, the more chances of suffering an accident, so it is essential to exercise extreme caution at the wheel.
  • Increase in alcohol consumption: Christmas lunches and dinners stand out for their joy, delicious food, and as a general rule, a few extra drinks. Something as simple and effective as the famous 'if you drink, don't drive', unfortunately it is not followed literally, and every Christmas, a considerable number of drivers test positive for breathalyzer, posing a great danger to safety drivers and themselves.
  • Adverse weather conditions: Winter weather can play against us. Strong winds, icy roads, fog or rain multiply the danger on the roads. These adverse weather conditions make it difficult to control the vehicle and can trigger accidents, so it is important to slow down, keep a safe distance from other vehicles and drive with all 5 senses on the road.
  • Speeding: Speeding is the leading cause of traffic accidents at Christmas. These are dates when we tend to get overwhelmed by last minute purchases and the unexpected ... But rushing on the road is never a good option. Think before acting!


With all these factors in mind on the road, we can all have a happy Christmas free of bad news. These dates are to be enjoyed to the fullest!



Protection is our goal: Discover our products

Whether it is Christmas or not, whatever the date, road safety does not understand holidays and we are always there. Our products, both on Spanish and international roads, take care of the people who travel every day, protecting people, saving lives.

Next, we show you some of the products that we design, manufacture and install at Metalesa to guarantee the safety of what matters most to us: people. Because you deserve a Christmas full of love and happiness.


Bridge equipment

The bridges on the roads represent sections of more danger for drivers, therefore, we take care of providing them with protection measures through the installation of equipment for bridges.


Bridge Metal parapets

A metal parapet is a vehicle restraint system approved according to the UNE EN 1317 parts 1 and 2 standard, so that having passed the relevant full-scale tests it has obtained the CE marking. It is placed in passage works, wall crowning, bridge decks ...

We have the META13 metal parapet and the META16 metal parapet, essential as elements to guarantee road safety.

Some of its advantages:

  • Both parapets allow the placement of acoustic screens and vandal-proof fences at a very short distance from the parapet.
  • In the event of a vehicle crash, replacement of items is quick and inexpensive.
  • It is very versatile with the possibility of placing grilles or protection systems for motorists
  • High durability through discontinuous galvanization, allows thermo-lacquering in the different colors of the RAL chart.

Railings for bridges

Bridge rails function as a restraint system for people or other personal mobility vehicles.

We have a wide variety of models of steel railing for bridges that are easy to install, being able to choose the most suitable thermo-lacquered finishes and colors for the integration of the railing with the landscape.

We also manufacture stainless steel railings, with steel cable or other designs that will cover any project requirement.


METALESA_barandilla M003

Metal bridge fascias

A metal fascia for bridges is an element that finishes off the edge of the bridge deck, either to accommodate electricity, gas or water conduits or for cladding. This type of bridge equipment embellishes the bridge, not only providing functionality, but also elegance.

Cornices for bridges

Like fascias, cornices for bridges are a type of equipment for bridges that also reinforces the structure by providing greater rigidity, and allows housing to accommodate electricity, gas or water conduits. They are very common in France.

Crash cushions

Crash cushions are considered one of the most effective life-saving devices. They consist of a deformable structure that brakes the vehicle in the event of a crash, absorbing the impact, considerably reducing the serious consequences of the accident.

At Metalesa we have a wide variety of models, which is essential to place them in the correct position on the road so that they can fulfill their function. Each model is suitable to withstand different energy levels depending on the weight and type of vehicle and the impact speed. In addition, these are approved according to the UNE EN 1317-3 standard, which defines the test conditions for obtaining the CE marking.

This Christmas, we are going to accompany you on all your trips. We want to protect you and that your destiny is none other than to meet those you love so much. Our products on the roads save lives, but never let your guard down because Road Safety does not understand holidays. Protection is our goal!


METAURBAN®, the containment system for today's cities

At Metalesa we firmly believe that the key lever to our growth as a family SME is Innovation, and that is the reason why we invest so much in R&D, with our own team of engineers and designers who continuously observe the environment and incorporate the best of other technologically cutting-edge sectors to our product catalogue. Hence, we can offer no only innovative road safety solutions, but also effective and competitive.

Today we want to focus on the METAURBAN®, a vehicle restraint system specially designed for installation on urban or peri-urban roads, and with CE marking.

Our latest flagship product, designed to promote safe sustainable mobility, is already being installed in numerous urban environments and cities due to its great proved performance and elegant aesthetics.

When we think of road safety, what first comes to our minds is cars at high speeds, but statistics go in a very different direction, and that is that urban and local roads are the areas with worse accident and mortality rates.

On the other hand, the massive proliferation of personal mobility vehicles, and the intensive deployment of bike lanes, represent a notable increase in risk and danger, especially for the most vulnerable groups such as children, old people and drivers of bicycles and electric scooters themselves.


Discover all its advantages

METAURBAN® metal parapet has been designed and tested to provide excellent security features in today's urban environments.

To guarantee its effectiveness in the event of an accident, the METAURBAN® containment system has been rigorously tested through a full-scale crash test, according to the European Standard EN 1317, having satisfactorily passed all the acceptance criteria for the containment level N1, the most suitable for urban environments.

The METAURBAN® metal parapet includes features that make it an essential product for the safety of the most vulnerable users in urban environments, such as pedestrians or cyclists.

  • In addition, it can be perfectly adapted to curved paths.
  • It features an easy assembly and disassembly process if components are damaged by impact; there is no need for weld joints or cuts.
  • Regarding its installation, the parapet has been tested by means of a chemical-fuse anchoring system that protects the concrete band against an impact, allowing its easy replacement in the event of an accident.
  • Great aesthetics, helps that today's cities maintain their charm
  • The techniques used to guarantee its protection against corrosion like hot-dip galvanizing according to the EN 1461 standard, and thermo-lacquering in the different colors of the RAL chart respectively.
  • Possibility of incorporating the motorcycle protection system (SPM) into the structure.

In summary, with the installation of the METAURBAN® containment system, urban and metropolitan roads with speed limits of 20.30, 50 and 80 km/h, become areas in which travelling is much safer, which will be key for users to lose their fear and adopt new urban sustainable mobility models.

Metaurban® has already reached our cities. Some projects

Metaurban is already a reality in many Spanish cities. Here are some projects that already have our METAURBAN® metal parapet.


Road reconditioning in Bedmar (Jaén)

Pass over A-7 in Estepona (Málaga)


We are proud to think that, thanks to the installation of the METAURBAN® containment system, these urban roads are now much safer, and that with their installation we are increasingly closer to our goal: the protection of people.

If you are an installer, engineer, architect or an individual, and you need guidance about this product, do not hesitate to contact us. Together we will create the safe cities we all deserve to live in.

Discover our range of containment systems to improve Road Safety

Ensuring road safety is everyone's responsibility. Drivers should be aware that each journey by car can have serious consequences if they are not driven carefully, but it is also necessary that the public authorities that manage transport infrastructures guarantee safe roads to minimize the severity of accidents as much as possible. This is something that is already being done by both parties: drivers are increasingly responsible behind the wheel and the authorities are working to build safe roads. Proof of this are the results of the latest report from the European Transport Safety Council (ETSC), which indicates that between 2001 and 2020 the accident rate on Spanish roads fell from 5,517 victims to 1,370. That is, 75.2% less. These figures position Spain as the country in Europe in which deaths in traffic accidents have fallen the most during this century. In this sense, Road Safety studies and improvement of the most conflictive points are absolutely essential to progressively improve the road network. One of the most important elements of your safety equipment is containment systems.


Infrastructures for Road Safety: Vehicle containment systems

What is a containment system?

Vehicle restraint systems are safety barriers located on the roads to mitigate the consequences of accidents due to exits.

Road exits make up between 35% and 40% of road accidents. Given these high percentages, it is convenient to ask ourselves what type of containment systems it is necessary to install on those roads with a high risk of accidents. Said vehicle containment systems ‘act’ in various situations such as:

  • When the vehicle leaves the road in an uncontrolled way.
  • When there is a risk of falling down steep slopes.
  • When the vehicle invades another lane.
  • When there are obstacles on the road with which the vehicle can impact.

In these types of situations, the absence of containment systems is very likely to lead to a fatal outcome, which is why their installation is so important.


Factors to take into account for the installation of Vehicle Containment Systems

The following factors must be considered in deciding in which situations it will be necessary to install vehicle restraint systems:

  • Type of road: If it is a conventional road, highway or highway.
  • Characteristics of the section: If it is a curve or a straight section.
  • Traffic intensity and composition: This factor refers to the number of each type of vehicle that circulates on the section in question.
  • Existing risks on the road: Obstacles, steep slopes, that there are other roads that could be invaded ...
  • Distance between road hazards.

After analyzing these factors, it will be decided whether a vehicle restraint system should be installed in the section to mitigate the consequences of accidents. If the study of these factors indicates the need for its installation, the next step is to decide what type of vehicle containment system is required, for which the following parameters are met:

  • Containment level: Refers to the capacity of the containment system to retain the vehicle in the event of a collision, redirecting it to the road in stable conditions, that is, the vehicle does not overturn or the containment system does not penetrate inside.
  • Impact severity: The risk of the occupants when the vehicle collides in front of the restraint system.
  • System deformation: The measurement of the degree of deformation of the containment system when the impact occurs, serves to define the distance at which said infrastructure has to be installed with respect to the dangerous area or obstacle.
  • Redirection capacity: Ability of the vehicle restraint system to change the trajectory of the passenger car when the crash occurs, allowing the exit to be as parallel as possible to the direction of traffic.


Types of Metal Vehicle Containment Systems

After carrying out the previous analysis, we will proceed to select the most suitable containment system. At Metalesa, we are experts in the design, manufacture and installation of vehicle restraint systems and we have a wide range that allows us to adapt to all existing situations in terms of Road Safety.


Steel Bridge Parapet META13

This type of vehicle containment system is installed on the edges of bridge decks, supporting wall crowns, passage works… It is a H2 level containment system.

Some of the main advantages of the Steel Bridge Parapet META13 are the flexibility of the containment system, its fusible anchoring system that allows a simple and quick replacement in the event of a crash, and its versatility, since it allows it to function as a vehicle containment system. and pedestrians installing a grid.

It is a device approved according to the UNE EN 1317 parts 1 and 2 standard, which together with compliance with part 5 in terms of production control, has obtained the CE marking.

Steel Bridge Parapet META16

The Steel Bridge Parapet META16 is our H3 containment system, which also has the CE marking after passing rigorous full-scale laboratory tests.

Some of the advantages of this vehicle restraint system are the following: It is light and of small dimensions, it allows the installation of vandal-proof fences and the placement of acoustic screens at a very short distance from the parapet, and due to its reduced number of components the assembly it's simple.

Impact End Terminals

Impact End Terminals are equipment that is characterized in that they are always attached to the end of a vehicle restraint system. They cannot be installed autonomously.

We have several models tested in accordance with the European standard prEN 1317-7, all of which provide the flexibility of joining with double or triple wave bionds, or with normal or double bionds (on both sides).

Crash Cushions

A Crash cushion or shock absorber is a vehicle restraint system that absorbs frontal or side impacts without the risk of intrusion of components in the vehicle compartment, being its installation more and more frequent since it allows to significantly reduce the victims in accidents.

We have a wide variety of models that can be installed on concrete slab or directly on the ground. In case of impact, the infrastructure is easy to repair or replace.

Mixed Parapet PXP

It is a mixed vehicle containment system, as it is made up of a concrete parapet and a metal railing. The latter is installed on the concrete parapet, which guarantees a better containment system against the collision of a heavy vehicle.

In addition, its aesthetics provide excellent integration on the tracks, it is easy to install and we have several models of handrails: With a through tube to a ring welded to each support, with a tube welded directly to each support, or other models according to installation conditions.

At Metalesa we are aware that our products save lives, and that is why we have a great responsibility. In this sense, it is not only important that the authorities worry about the installation of containment systems on the roads, but also to ensure that these infrastructures are of quality, there is a lot at stake. From Metalesa we can guarantee that quality in our products to ensure safe roads.

If you want to obtain a quote for the installation of our vehicle containment systems, call us at +34 96 088 99 44 or send us an email to