Vägräcken. Litteraturstudie rörande betongräcken och praktiska prov med betongräcket Tric-Bloc. (Road barriers. A literature survey concerning concrete median barriers and crash tests of the tric-bloc concrete barrier.)

Impact tests were carried out against a concrete median barrier, called Tric-Bloc, which has been developed with the aim to minimize the damage of the impacting vehicle compared with corresponding impacts against conventional barriers; and the results are presented.