Traffic sign design to Chapter 8, DfT and TSRGD guidelinesClass R2 is a high intensity prismatic material designed to retain a high reflectivity level for a minimum of 12 years and are CE-marked for use as permanent traffic signs as required by lawClass R2 traffic signs are manufactured from a 3mm aluminium composite making them lightweight and eliminating scrappage values, reducing the potential for theft.Supplied complete with channelling for post mounting.