freeway

1. (US, Parts of Canada and Australia) A highway with grade-separated crossings (rather than level crossings) and designed (and only permitted) for high-speed motor-traffic running in two directions on one separate carriageway eachExamples: "Contrary to what one might expect of an essay on freeways, this one is neither a diatribe nor a paean."; "A 106-kilometer section of this 117-kilometer new freeway (between Hsinchu and Hsichih 汐止) was opened to traffic in 1997, and the entire line will be finished in December 1999."; "In the late 1950s and 1960s most large cities started planning freeway systems, acknowledging the incredible growth in car ownership."Synonyms: motorway, expressway, autoroute, autobahn, interstate[:w:Interstate Highway System|Interstate Highway System]]>, limited-access highway, controlled-access highwayUS