The (lit. TÃ Âkai Ring Expressway) is a toll road in the TÃ Âkai region of Japan. It is owned and managed by Central Nippon Expressway Company.
Officially, the route is designated as National Route 475. On some signs, the expressway is represented in Japanese as <small>æ±海</small>ç°ç¶éÂÂ; this is done to prevent confusion with the Tà Âkai-Hokuriku Expressway.
Although the road is named as an expressway, it is not recognized as a national expressway. Officially it is a (motor vehicles must have a displacement of at least 125 cc). However, the design standard of the Tà Âkai-Kanjà  Expressway is similar to most national expressways.
Once completed, the expressway will form a 160 km ring road for the TÃ Âkai Region. It is hoped that the expressway will reduce traffic congestion, link important industrial and manufacturing centers in the region, and facilitate access to Chubu International Airport and tourist areas in rural Gifu Prefecture.
Currently 134.6 km of the route has been opened to traffic. This section was opened in 2005 to coincide with the opening of Expo 2005 in Aichi Prefecture. There are 4 lanes of traffic from Toyota-higashi Junction to Toki Junction, and 2 lanes from Toki Junction to Mino-Seki Junction.