Japan National Route 15
# Japan National Route 15

National Route 15 (国道15号, Kokudō Jūgo-gō) is a national highway connecting Tokyo and Yokohama in Japan. It is commonly referred to as Dai-Ichi Keihin (第一京浜).

## Route data

* Length: 29.2 km (18.1 mi)
* Origin: Nihonbashi, Chūō, Tokyo (originates at junction with Route 1, Route 4, Route 6, Route 14, Route 17 and Route 20)
* Terminus: Yokohama (ends at Junction with Route 1)
* Major cities: Kawasaki

## History

* 4 December 1952 - First Class National Highway 15 (from Tokyo to Yokohama)
* 1 April 1965 - General National Highway 15 (from Tokyo to Yokohama)

## Municipalities passed through

* Tokyo
   * Chūō - Minato - Shinagawa - Ōta
* Kanagawa Prefecture
   * Kawasaki (Kawasaki-ku, Kanagawa) - Yokohama (Tsurumi - Kanagawa)

## Intersects with

* Tokyo
   * Routes 1, 4, 6, 14, 17 and 20 at the origin
   * Route 130 at Minato-ku
   * Yashio Bypass, Route 357 at Shinagawa-ku
   * Route 131 at Ōta-ku
* Kanagawa Prefecture
   * Routes 132 and 409 at Kawasaki-ku, Kawasaki
   * Route 1, at the terminus
