Ramp metering (formerly IAN 103/08, IAN 121/09). Version 0.0.2
DMRB: Control and Communications Technology TD 121
Document Status
Current
Supplement
Civil & Structural Supplement
Series
DMRB: Control and Communications Technology
Abstract
Details the design requirements for ramp metering.
History
Control and communications technology. Design. Supersedes TD 121 Ramp metering (formerly IAN 103/08, IAN 121/09). (HE, 2020). Design manual for roads and bridges (DMRB) Version 0 - Jan 2020 - replaces IAN 103/08 and IAN 121/09. Version 0.0.1 - dated September 2024 - Changes made to core document, England NAA, and Northern Ireland NAA. Version 0.0.2 - dated October 2024 - Republication with no content change to correct index and version numbering.
Subjects
- Civil engineering, infrastructure and public utilities
- Transport facilities
- Motorway communications
- 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.
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.