A road built for high speed traffic, but not up to motorway standards or designated a motorway.
A divided highway, especially one whose intersections and direct access to adjacent properties have been eliminated.
A road built to freeway standards.
A highway with grade-separated crossings (rather than level crossings) and designed (and only permitted) for high-speed motor-traffic (in Europe motor vehicles with a higher speed limit than 40 km/h) running in two directions on one separate carriageway each
A racetrack venue designated especially for the sport of auto racing.