The Yaesu Route (八重洲線, Yaesu-sen), signed as Route Y, is one of the routes of the Shuto Expressway system in the Tokyo area. It connects the Inner Circular Route at Kandabashi Junction in Chiyoda Ward to the Tokyo Expressway at Nishi-ginza Junction in Chūō Ward. The expressway is 1.9 km in length and primarily serves Tokyo Station. All large truck traffic is banned on this route.
Map of Metropolitan Expressway Yaesu Route, T%C5%8Dky%C5%8D-to, Japan
References
Yaesu Route Wikipedia(Text) CC BY-SA