Collision tests on motorway hazard signal posts fitted with breakaway joints
RRL report ; 312
1970
8 S., [7] Bl.
Ill., graph. Darst.
Report
Englisch
Maine Dot Uses Breakaway Sign Posts
British Library Online Contents | 1993
Design and Development of Steel Breakaway Posts
Transportation Research Record | 2000
|Design and Development of Steel Breakaway Posts
Online Contents | 2000
|