Current
Civil & Structural Supplement
DMRB: Highway Structures and Bridges
For the design, selection, appearance factors, limit state design, actions and performance criteria for portal and cantilever sign and/or signal gantries, aligned to Eurocodes.
Highway structures and bridges. Design. Supersedes CD 365 Revision 1. Portal and cantilever signs/signals gantries (formerly BD 51/14, IAN 193/16, BE 7/04) (HE, 2020). Version 0 - dated March 2019 - replaces BD 51/14, IAN 196/16 and BE 7/04. Version 1 - dated March 2020 - updates references. Version 1.1.0 - dated September 2025 - detailing consequential updates due to the rewrite of the MCHW.
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.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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