Crash cushions can be installed as stand-alone systems or in connection with following vehicle restraint systems.
The functional properties of the systems being connected in this way are to be proved in according RPS: 2009 (GER) by the manufacturer of the crash cushion. The following possibilities for application exist:
a) connection with steel safety barriers
b) concrete protection walls
c) installation at portals of tunnels
According to test standard DIN EN 1317 part 3 the crash cushion VECU-STOP is a Type R system that captures vehicles and redirects vehicles.
Type R means:
... crash cushion systems that stop and redirect vehicles; they also include the VECU-STOP system. They are designed to stop vehicles on a certain deceleration way during a head-on impact and to redirect laterally impacting vehicles so that these cannot penetrate the crash cushion.