DMRB CS 461 – Assessment and upgrading of in-service parapets

Access free from the DMRB website. Also available from CIS.

This document provides requirements and advice for the assessment and upgrading of existing vehicle parapets on highway structures. It gives advice on the assessment of parapet and safety barrier supporting members on bridges and retaining walls. The document also sets out the requirements for the management of substandard parapets including parapet connections and transitions.