Regulation 4 Imposition of Speed LimitI1 England, Wales and Scotland A person must not drive a motor vehicle at a speed exceeding 60 miles per hour on the lengths of road specified in Schedule 1. Annotations Commencement I1 Reg. 4 in force at 14.4.2015, see reg. 1 ← Regulation 3 Regulation 4 Regulation 5 →