Document Status
Current
Supplement
Civil & Structural Supplement
Series
DMRB: Road Layout
Abstract
Details design requirements for temporary retroreflecting road studs, covering implementation, types, dimensions, night time visibility, daytime visibility, test methods and road trials, and information to be supplied for installation.
History
Road layout.
Design.
Latest release notes:
Version number: 1.0.0.
Date of publication of relevant change: September 2025.
New document: MCHW refresh-linked document.
Subjects
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Civil engineering, infrastructure and public utilities
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Transport facilities
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Road layout
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Roads
Publisher History
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.
Information
NBS
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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