- an expressway.
Origin of motorway
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- British a main road for fast-moving traffic, having limited access, separate carriageways for vehicles travelling in opposite directions, and usually a total of four or six lanesUS names: superhighway, (also Canadian) expressway
Word Origin and History for motorway
Online Etymology Dictionary, © 2010 Douglas Harper