High friction surfacing: where it belongs, what it is made of, and who is allowed to lay it
High friction surfacing is a thin, resin-bonded layer of polish-resistant aggregate, usually calcined bauxite, applied to an existing carriageway to raise skid resistance at locations where braking and steering demand is highest. In the UK it is a specified engineering treatment rather than a decorative one, governed by Clause 924 of the Specification for Highway […]
