Design of temporary retroreflecting road studs. Version 1.0.0
DMRB: Road Layout CD 131
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. Changes made to core document. Type of change: Change to policy, major revision, new document development. New document: MCHW refresh-linked document.
Subjects
- Civil engineering, infrastructure and public utilities
- Transport facilities
- Road layout
- Roads
Publisher History
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.
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.
Accuris
We connect trusted knowledge to customers' workflows – mitigating risk, increasing efficiency and accelerating innovation For more than 60 years, leading R&D and engineering-intensive organizations have relied on us to achieve on-time, on-budget delivery of complex projects and new products. We deliver an unparalleled combination of technical content and Artificial Intelligence (AI) technologies to surface answers from the vast universe of technical knowledge, both inside and outside the organization. In a single interface, we connect the dots between information scattered across many different sources, allowing technical professionals to make better, more informed decisions faster.