Site Updates

21st August 2017: IAN 198/17 added to IANs Page.

November 2017:

Design Manual for Roads and Bridges

BD 63/17 Inspection of Highway Structures
HA 37/17 Hydraulic Design of Road-Edge Surface Water Channels
HA 41/17 A Permeameter for Road Drainage Layers
HA 102/17 Spacing of Road Gullies
HA 105/17 Sumpless Gullies
TD 45/17 Detection on the Motorway and Trunk Road Network

Technology Management and Maintenance Manual

The TMMM (November 2017) sets out Highways England's requirements for the management and maintenance of traffic technology systems.