Using hydraulically bound mixtures at road works (TAL 3/14)

Guidance on using hydraulically bound mixtures in the subbase and base layers of road reinstatements and their environmental advantages.


Hydraulically bound mixtures use (TAL 3/14)

This file may not be suitable for users of assistive technology. Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email Please tell us what format you need. It will help us if you say what assistive technology you use.


Covers the use of hydraulically bound mixtures (HBMs) in road reinstatements layers. This has the advantages of:

  • potentially fewer work lorry trips required
  • the faster compaction times sometimes associated with HBMs

and reduced site occupation times.

Published 12 November 2014