- (of a highway) having two lanes for traffic in each direction: a four-lane thruway.
- Also four-lan·er [fawr-ley-ner, fohr-] /ˈfɔrˈleɪ nər, ˈfoʊr-/. a four-lane highway.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for four-lane
Nothing, of course, to an experienced climber—a foot-wide ledge might as well be a four-lane superhighway.The Planet Savers
Marion Zimmer Bradley