What is Yokohama Northwest Route?

The Yokohama Northwest Route , signed as Route K7, is one of the tolled routes of the Shuto Expressway system serving the Greater Tokyo Area and is one of seven of the routes in the system serving Kanagawa Prefecture. The route is a 7.1-kilometer-long expressway running west from a junction with the Tōmei Expressway in Aoba-ku, Yokohama, to the Daisan Keihin Road in Tsuzuki-ku, Yokohama. Alongside the Yokohama North Route and the Daikoku Route, it connects the Tōmei Expressway in northern Yokohama to the region-spanning Bayshore Route.