Site Updates

October Update 2020 :



IAN 161/15 Smart Motorways, superseded by GD 301 Smart Motorways

Design Manual for Roads and Bridges

Please follow the link below: _______________________________________________________________________________________________________________________________________________________________________________

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 the company's asset data needs and is revised and published regularly 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 v12.0 (Published October 2020)

Revision Log & Change Request Submission Form

Any change requests, feedback or queries should be directed to Additionally, the Data Dictionary can be provided as an XML file upon request. Earlier versions of the ADMM are also available on request with an explanation of why an older version is required.