Site Updates

March Update 2019:

Design Manual for Roads and Bridges

GG 000 Alphanumeric and Volume Contents – March 2019
CD 365 Portal and cantilever signs/signals gantries (replaces BD 51/14, IAN 193/16, BE 7/04)
BD 51/14 Portal and Cantilever Sign/Signal Gantries (2.2.4)– replaced by CD 365
BE 7/04 Departmental Standard (Interim) Motorway Sign/Signal Gantries (2.2.8)– replaced by CD 365
SH 7/83 Specification for Road and Bridge Works: Soil Suitability for Earthworking – Use of the Moisture Condition Apparatus [Incorporating Amendment No. 1 dated February 1989] For use in Scotland only (4.1.7)– withdrawn and no replacement
SH 5/89 Topographical Surveys: Certification Procedures [Incorporating Amendment No. 1 dated November 1989] For use in Scotland only (4.1.7) – withdrawn and no replacement
SH 1/97 The Traffic and Economic Assessment of Road Schemes in Scotland (5.1.4)– withdrawn and no replacement
SH 4/91 Lane Rental For use in Scotland only (5.1.4) – withdrawn and no replacement


IAN 193/16 Requirements for the provision of access arrangements on gantries – replaced by CD 365

Asset Data Management Manual (ADMM)

The ADMM sets out Highways England’s asset data requirements to achieve both its corporate objectives as well as its asset management objectives. It brings clarity and consistency to reflect our asset data needs and is revised every six months to accommodate changes and expansion to the business needs.

The ADMM contains the company’s asset data requirements to ensure the company collects and maintains the asset data it needs to operate safely and efficiently. It is for use by anyone creating, maintaining or using data on behalf of or within Highways England. It is composed of four documents:

Additionally a Revision Log and Change Request Submission Form are provided with each new version of the ADMM.

Asset Data Management Manual v8.0

Revision Log & Change Request Submission Form

Earlier versions of ADMM are available on request with an explanation of why an older version is required. Additionally, if you have any change requests, feedback or queries, please send them to