A highway that encircles a metropolitan area and provides access to outlying suburban areas as well as a bypass around the central urban area; also called a loop, perimeter, or circumferential highway.
A corridor is a long, narrow strip of land designated for a specific purpose such as a rail line, highway, pipeline, or overhead power line, facilitating efficient transportation or utility distribution.
A multiple-lane divided highway with fully controlled access, usually involving interchanges for intersecting roads, designed for high-speed vehicular traffic and typically without toll charges.
