Motorway Rules: The basics

Vehicles towing trailers cannot travel in the right-hand lane of a motorway (unless all other lanes are closed). The maximum speed limit for them is 60 mph.

The left-hand lane can be used by any vehicle.

The left-hand lane should be used for normal driving. Use the centre and right-hand lanes for overtaking.

Green studs run between a motorway and its slip road.

White studs run between the lanes on a motorway.

Amber studs run between the central reservation and the carriageway.

Red studs run between the carriageway and the hard shoulder.