prBAS CEN/TR 18186:2026

This Technical Report gives guidance on principles and methods to determine the forces due to the collision of an errant vehicle with a vehicle restraint system (vrs) in bridge design and classify vehicle restraint systems with load. This Technical Report specifies the general requirements for the competence to perform virtual testing in order to assess the performance of vehicle restraint systems. It covers virtual testing performed using finite element methods and multi-body methods. This Technical Report is applicable to all organizations performing virtual testing dealing with vehicle restraint systems. Laboratory customers, regulatory authorities and accreditation bodies may also use this Technical Report in confirming or recognizing the competence of laboratories.