The Central Circular Route , signed as Route C2, is one of the routes of the Shuto Expressway system serving the central part of the Greater Tokyo Area. The route is a circumferential highway running through the outer wards of Tokyo. The route is the middle of four ring expressways planned for the city; the other three being the C1 Inner Circular Route, the C3 Tokyo Gaikan Expressway, and the C4 Ken-Ō Expressway.

Shuto Expressway is a network of toll expressways in the Greater Tokyo Area of Japan. It is operated and maintained by the Metropolitan Expressway Company Limited .