Concrete step barrier

Concrete step barrier cross-section
Concrete step barrier on M1 motorway (UK)

A concrete step barrier is a safety barrier used on the central reservation of motorways and dual carriageways as an alternative to the standard steel crash barrier.[1]

  1. ^ "Interim Advice Note 60/05" (PDF). Highways Agency. 20 January 2005. Retrieved 2008-12-30.