Document Status
Withdrawn, Document not available for download
Supplement
Civil & Structural Supplement
Series
Interim Advice Notes
Abstract
Provides requirements and guidance for smart motorway schemes implementing all lane running, covering outline design and maintenance requirements, highway link design, layout of grade separated junctions, cross sections and headroom, technology, signals and signs, traffic modelling, structures, environmental assessment, drainage and earthwork and retaining structures.
History
Superseded by GD 301 Smart motorways (HE, 2020). Clauses 2.7.2, 2.7.21 and 2.7.25 superseded by CD 146 Positioning of signalling and advance direction signs (HE, 2019). Supersedes HA IAN 161/13. Interim Advice Notes (IANs) are issued by Highways England from time to time. They contain specific Guidance, which shall only be used in connection with works on motorways and trunk roads in England, subject to any specific implementation instructions contained within an IAN. Whilst IANs must be read in conjunction with the Design Manual for Roads and Bridges (DMRB) and Manual of Contract Documents for Highway Works (MCHW) for the above works, and may incorporate amendments or additions to documents in these manuals, they are not part of the DMRB or MCHW. Supersedes HA IAN 161/13. Supplements and amends: TD 9/93, TD 19/06, TD 22/06, TD 27/05, TD 45/94, TD 46/05, TA 73/97, HD 20/05, IAN 143/11 and IAN 149/11.
Subjects
- Civil engineering, infrastructure and public utilities
- Transport facilities
- Roads
Publisher History
Highways England (formerly Highways Agency) was transformed into National Highways in 2021. It was responsible for the operation, maintenance and improvement of England's motorways and major A roads. It was an executive non-departmental public body, sponsored by the Department for Transport.