Superhighway (noun)

A major expressway or motorway, especially one designed for high-speed traffic.

Origin:

Derived from the combination of the words "super" meaning "above" or "exceeding" and "highway" meaning "a main road". first used in the 1920s.

Examples:

1. The new superhighway will make it easier for commuters to get to work.
2. The superhighway was closed due to an accident.
3. Drivers need to be careful when merging onto the superhighway.
4. The superhighway was heavily congested with rush hour traffic.
5. The superhighway's construction caused major disruptions for local residents.