/ ˈməʊtəweɪ; NAmE ˈmoʊtərweɪ/ noun
[ C , U ] (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
—compare interstate
For more information see the Cultural Guide