SMA Road Safety devices From the excellence of Industry A.M.S.' Road Safety Dept. came out “SMA Crash Cushions” which disting ... uish themselves for their high security, incredible strength and wide-ranging suitability. These devices fully meet the road safety requirements according to the EN 1317-3, assuring a great protection in case of impact. They are the most compact absorbers available on the market and for this reason S.M.A. crash cushions can be installed in tight spaces, like tunnels and junctions. S.M.A. are completely made of steel, they are non-flammable and tunnel compatible according to the UNI EN ISO 13943/2004 (Fire Safety). Their strength means that after a standard impact, only the absorbing panels need to be changed which will reduce maintenance costs. read more