Highway is a term commonly used is to designate major roads intended for travel by the public between important destinations, such as cities. Highway designs vary widely. They can include some characteristics of grade separations, multiple lanes of traffic, a median between lanes of opposing traffic, and access control, ramps and grade separation. Highways can also be as simple as a two-lane, shoulderless road. The term highway can also be varied country-to-country, and can be referred to a road, freeway, superhighway, autoroute, autobahn, parkway, expressway, autostrasse, autostrada, byway, auto-estrada or motorway.