DMRB Volume 9 Section 1 CD 146 Revision 1 Road layout. Design. Positioning of signalling and advance direction signs (formerly TD 46/05 and TD 18/85) Revision 1

Publication Year

2020

Document Status

Withdrawn

Abstract

Details positioning requirements for signalling and advanced direction signs for motorways. Includes variable message signs and provides illustrative diverge and merge layouts.

Document History

Superseded by CD 146 Positioning of signalling and advance direction signs (formerly TD 46/05, TD 18/85) Version 2.0.0 (NHW, 2023). Supersedes TD 46/05 Network - traffic control and communications. Standards of provision. Motorway signalling (HA, 2005), TD 18/85 Network - traffic control and communications. Communications - standards of provision. Criteria for the use of gantries for traffic signs and matrix traffic signals on trunk roads and trunk road motorways (HA, 1992), TA 74/05 Network - traffic control and communications. Systems design. Motorway signalling (HA, 2005), TA 83/05 Network - traffic control and communication. Systems design. Guide to the use of variable message signs for strategic traffic management on trunk roads and trunk road motorways (HA, 2005), TA 60/90 Traffic signs and lighting. Traffic signs and road markings. Use of variable message signs on all purpose and motorway trunk roads (HA, 1990), and TD 33/05 Traffic signs and lighting. Traffic signs and road markings. Use of variable message signs on all-purpose and motorway trunk roads (HA, 2005). Also partially supersedes clauses and parts of IAN 149/17 Existing motorways: additional requirements and relaxations (HE, 2017) and IAN 161/15 Smart motorways (HE, 2015). Revision 0 issued July 2019. Revision 1 issued March 2020 - updates references. Design manual for roads and bridges (DMRB) 9.1.1

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