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.
The main or central portion of a road, used by the vehicles.
A way used as a road.
The portion of a bridge or railway used by traffic.