Metallic guardrails or metallic fenders are road safety elements that are used to protect road users from accidents. They are installed in risky areas, such as hairpin bends, steep slopes or level crossings.

They comprise a series of elements with varying levels of flexibility, strength, and dimensions that are configured specifically for a particular type of track.

Its main functions are:

• Prevent accidents: They can help prevent vehicles from going off the road in the event of an accident
• Reduce damage in the event of an accident: they can help reduce damage to vehicles and people in the event of an accident, they also help mitigate the impact of vehicles entering or leaving the main road, very useful in case of mountains or dangerous potholes near the road
• Protect pedestrians: They can help protect pedestrians from vehicles leaving the road