The is a junction that connects the

Bayshore Route The signed as Route B, is one of the routes of the Toll road, tolled Shuto Expressway system in the Greater Tokyo Area. The Bayshore Route is a stretch of toll highway that runs from the Kanazawa-ku, Yokohama, Kanazawa ward of Yokohama in th ...

Haneda Route The , signed as Route 1, is one of the tolled routes of the Shuto Expressway system serving the Greater Tokyo Area. It is one two expressways signed as Route 1 in the system, the other expressway signed as Route 1 is the Ueno Route. The route is ...

, and

Central Circular Route The , 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 fou ...

of the

Shuto Expressway The is a network of Toll road, tolled expressways in the Greater Tokyo Area of Japan. It is operated and maintained by the . Most routes are Grade separation, grade separated and have many sharp curves and multi-lane merges that require cauti ...

in Yashio,

Shinagawa is a special ward in the Tokyo Metropolis in Japan. The Ward refers to itself as Shinagawa City in English. The Ward is home to ten embassies. , the Ward had an estimated population of 380,293 and a population density of 16,510 persons per ...

Tokyo Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...

Overview

Until November 19, 2013, the Ōi Junction was a one-way junction from both directions on the Bayshore Route to the Haneda Route's northbound line, but due to a change in the operation of the junction due to the connection of the Central Circular Route, the connecting road of the Bayshore Route's westbound line (toward

Yokohama is the List of cities in Japan, second-largest city in Japan by population as well as by area, and the country's most populous Municipalities of Japan, municipality. It is the capital and most populous city in Kanagawa Prefecture, with a popu ...

) to the Haneda Route going up was closed at 20:00 on that day.The usage method of Ōi Junction will be changed from 20:00 on November 19, 2013 (Tuesday).
(Shuto Expressway Co., Ltd. announced on September 19, 2013, viewed on the same day) In addition, due to the construction of the Central Circular Route, Ōi Parking Area moved to Yokohama on July 17, 2012. The Central Circular Route was connected on March 7, 2015, connecting the westbound of the Bayshore Route to the outer loop of the Central Circular Route, the eastbound of the Bayshore Route to both the uphill of the Haneda Route and the outer loop of the Central Circular Route, and the inner loop of the Central Circular Route to both directions of the Bayshore Route. On June 8, 2016, the connecting road from the eastbound of the Bayshore Route to the uphill of the Haneda Route was closed due to the renewal work of the Haneda Route Higashi Shinagawa Pier/Samesu Landfill. However, the closure was lifted when the route was provisionally connected to the upstream circuit on September 29, 2019. In addition, due to the abolition of the Oi Main Line tollgate, the Oi-minami Interchange, which was in front of the junction of the Bayshore Route eastbound and the Central Circular Route, was converted to exclusive use for the Central Circular Route outerbound on April 15, 2019, and the name was changed. It was changed to the Oi-minami entrance, and from the same day, the junction of this JCT was relocated to the front (closer to Yokohama) of the Oi-minami entrance.

References

{{Reflist Shuto Expressway Roads in Tokyo Road junctions in Japan Buildings and structures in Shinagawa