A road designed for safe, high-speed operation of motor vehicles through the elimination of at-grade intersections, usually divided and having at least two lanes in each direction; a dual carriageway with no at-grade crossings, a motorway.
A toll-free highway.
A divided highway where intersections and direct access to adjacent properties have been eliminated.
A road built to freeway standards.
A road built for high speed traffic, but not up to motorway standards or designated a motorway.