Ramp metering (formerly IAN 103/08, IAN 121/09)
DMRB: Control and Communications Technology TA 121
Document Status
Current
Supplement
Civil & Structural Supplement
Series
DMRB: Control and Communications Technology
Abstract
Details requirements for ramp metering, including identifying suitable locations, appraisal and implementation.
History
Control and communications technology. Appraisal. Version 0.0.2. Supersedes TA 121 Ramp metering (formerly IAN 103/08, IAN 121/09) (HE, 2020). Supersedes IAN 103/08 Advice regarding the assessment of sites for ramp metering (HA, 2008) and IAN 121/09 Advice regarding the application of integrated traffic management (HA, 2009). Design manual for roads and bridges (DMRB). Version 0 - Jan 2020 - replaces IAN 103/08 and IAN 121/09. Version 0.0.1 - September 2024. Version 0.0.2 - October 2024 - republication with no content change, to correct index and version numbering.
Subjects
- Roads
- Motorway communications
- Civil engineering, infrastructure and public utilities
- Transport facilities
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.