Question: how fast can you drive on a uk motorway?
Answer: Signs show speed limits in miles per hour (mph) or the national speed limit (NSL) sign may be used. The national speed limit is 70 mph (112 km/h) on motorways, 70 mph (112 km/h) on dual carriageways, 60 mph (96 km/h) on single carriageways and generally 30 mph (48 km/h) in areas with street lighting (Built-up area).