motorway noun definition in Types of road topic from the Oxford Advanced Learner's Dictionary

motorway

 noun: Types of road topic
(in Britain) a wide road, with at least two lanes in each direction, where traffic can travel fast for long distances between large towns. You can only enter and leave motorways at special junctions. busy/congested motorways Join the motorway at Junction 19. Leave the motorway at the next exit. A nine-mile stretch of motorway has been closed. a motorway service area/service station The speed limit on motorways should be enforced.