High friction surfacing (HFS) is only required on approaches to signal-controlled junctions, roundabouts, and pedestrian crossings where Road Safety Audits identify a need. Please refer to the “Carriageway - Skidding Resistance Procedure” for guidance on the use of HFS. Where HFS has been agreed for use by the council, it must be in accordance with Appendix 7/1 of the council’s Specification.