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DMRB: Road Layout CD 127 Version 1.0.1 Cross-sections and headrooms (formerly TD 27/05, TD 70/08) Version 1.0.1
Publication Year
2021
Document Status
Current
Abstract
Details the requirements for highway cross-sections and headroom for all-purpose and motorway trunk road structures.
Document History
Road Layout. Design. Supersedes TD 27/05 Road Geometry. Links. Cross-sections and headrooms (HA, 2005), TD 70/08 Road geometry. Links. Design of wide single 2+1 roads (HA, 2008), TA 57/87 Road Geometry. Highway Features. Roadside features (HA, 1987), TA 85/01 Road Geometry. Links. Guidance on minor improvements to existing roads (includes amendment No.1 dated January 2002, Correction May 2002 and Correction August 2002) (HA, 2001), TA 87/04 Road Geometry. Highway Features. Traffic calming on trunk roads a practical guide (HA, 2004), and TA 98/08 Road Geometry. Highway Features. The layout of toll plazas (HA, 2008). Previous versions: CD 127 Version 0 issued November 2019. CD 127 Version 1 issued March 2020. CD 127 Version 1.0.1 issued July 2021, changes made to core document, Northern Ireland NAA (incremental change to notes and editorial updates)
Publisher Information
Highways England
Highways England is now known as National Highways and was responsible for the operation, maintenance and improvement of England's motorways and major A roads. It was an executive non-departmental public body, sponsored by the Department for Transport and was formerly known as Highways Agency.
National Traffic Operations Centre
3 Ridgeway
Quinton Business Park
Birmingham
HE
UK
Website: www.highways.gov.uk
Email: info@highwaysengland.co.uk
Tel: 0300 123 5000
