Inner Circular Route

Shuto Expressway Inner Circular Route 首都高速都心環状線
The Inner Circular Route highlighted in red
Route information
Part of AH1
Maintained by Metropolitan Expressway Company Limited
Length	14.8 km (9.2 mi)
Existed	1962–present
Major junctions
Beltway around Tokyo
Major intersections	Ueno Route Mukojima Route Tokyo Expressway Yaesu Route Haneda Route Meguro Route Shibuya Route Shinjuku Route Ikebukuro Route
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan

The Inner Circular Route (都心環状線, Toshin Kanjō-sen), signed as Route C1, is one of the routes of the Shuto Expressway system serving the central part of the Greater Tokyo Area. The route is a complete loop around the central Tokyo wards of Chiyoda, Chūō, and Minato, with a total length of 14.8 kilometers (9.2 mi). In addition to serving areas of central Tokyo, the Inner Circular Route also serves as the origin of the radial routes of the Shuto Expressway. A section of the expressway is built above the Shibuya River.