Normalvy
MARC-vy
In-service performance of traffic barriers Ray, MH ; Weir, J ; Hopp, J
Utgivningsinformation: Washington DC National Cooperative Highway Research Program, 2003; NCHRP report 490, Beskrivning: 200 s, 1,8 + 6,1 MBISBN:- 0309087627
Bestånd: VTI P0409:490
Appendix D: http://bit.ly/1tZKtvS This report presents the findings of a research project to develop a practical procedures manual for conducting in-service performance evaluations of roadside barriers. The report will be of particular interest to safety practitioners with responsibility for roadside safety improvements.