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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. 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in Volume 3 - Highway Construction Details - of the Manual of Contract Documents for Highway Works (MCHW), which is withdrawn.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 an executive non-departmental public body, sponsored by the Department for Transport. It has responsibility for operating, maintaining and improving motorways and major A roads in England. Formerly known as Highways England, between 2015-2021 and Highways Agency, between 1994-2015.
