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.