§ Mrs. Chalker
Motor cycles and cars (passenger vehicles with up to 8 passenger seats) and car derived vans, not towing a trailer are subject to the national road speed limits, which are 70 mph on motorways and dual carriageways and 60 mph on other roads. Such vehicles when towing trailers and all other motor vehicles are subject to the limits detailed in Schedule 6 of the Road Traffic Regulation Act 1984, chapter 27, unless a lower road speed limit applies.
These limits relate to the main classes of vehicle as follows:
Motor-ways Dual Carriage-ways Miles per hour Other Roads Buses and Coaches 70 60 50 Goods Vehicles: (i) under 7.5 tonnes m.1.w.* 70 60 50 (ii) over 7.5 tonnes m.1.w. 60 50 40 Private cars, car derived vans and motorcycles towing one trailer 50 50 50 * m.1.w.: maximum laden weight.