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DMRB: Road Layout CD 120 Design of permanent traffic signs, road markings and road studs. Version 1.0.0

Publication Year

2025

Document Status

Current

Abstract

Provides design requirements for permanent traffic signs, road markings and road studs. Also includes upright traffic signs, parallel and zebra crossing globes, refuge indicator lamps, twin amber flashing lights, bollards, and marker posts.

Document History

Road layout. Design. Version number: 1.0.0. Issued: September 2025. Changes made to core document: England NAA, Northern Ireland NAA, Scotland NAA, Wales NAA. Supersedes the E Series (Distance marker posts) in Volume 3 - Highway Construction Details - of the Manual of Contract Documents for Highway Works (MCHW), which is withdrawn.

Publisher Information

National Highways

National Highways is a government company, with responsibility for operating, maintaining and improving motorways and major A roads in England. It works with the Department for Transport and was previously known as Highways England and Highways Agency.

National Traffic Operations Centre
3 Ridgeway
Quinton Business Park
Birmingham
NHW
UK

Website: https://www.gov.uk/government/organisations/highways-england
Email: info@highwaysengland.co.uk
Tel: 0300 123 5000