Route Data

• Length: 29.2 km (18.1 mi)
• Origin: Nihonbashi
  Nihonbashi
  , or Nihombashi, is a business district of Chūō, Tokyo, Japan which grew up around the bridge of the same name which has linked two sides of the Nihonbashi River at this site since the 17th century. The first wooden bridge was completed in 1603, and the current bridge made of stone dates from 1911...
  
  , Chūō, Tokyo
  Chuo, Tokyo
  is one of the 23 special wards that form the heart of Tokyo, Japan. The ward refers to itself as Chūō City in English.Its Japanese name literally means "Central Ward," and it is historically the main commercial center of Tokyo, although Shinjuku has risen to challenge it since the end of World War II...
  
   (originates at junction with Route 1
  Route 1 (Japan)
  National Route 1 is a major highway on the island of Honshū in Japan. It connects Chūō, Tokyo in the Kantō region with the city of Osaka, Osaka Prefecture in the Kansai region, passing through the Chūbu region en route. It follows the old Tōkaidō westward from Tokyo to Kyoto, and the old Kyo Kaidō...
  
  , Route 4
  Route 4 (Japan)
  National Route 4 is a major highway in eastern Honshū, Japan. The longest of the ordinary highways in Japan, it originates in Chūō, Tokyo and stretches north for 743.6 km to the city of Aomori in Aomori Prefecture. From Saitama Prefecture to Iwate Prefecture, it parallels the Tōhoku...
  
  , Route 6
  Route 6 (Japan)
  National Route 6 is a Japanese highway which goes from Tokyo via Mito and Hitachi in Ibaraki Prefecture towards Sendai. The route traces the old Mito Kaidō from Tokyo to Mito...
  
  , Route 14, Route 17
  Route 17 (Japan)
  National Route 17 is a highway on the island of Honshū in Japan. It originates at Nihonbashi in Chūō, Tokyo and terminates in the city of Niigata , where it meets Routes 7, 8, 49, 113 and 116)....
  
   and Route 20
  Route 20 (Japan)
  National Route 20 is a national highway connecting Tokyo and Shiojiri, Nagano prefecture in Japan. Originating at Nihonbashi in Chūō, Tokyo, it passes through Shinjuku and four other wards, and then seven cities, including Hachiōji in Tokyo. It follows a westward route into Kanagawa Prefecture,...
  
  )
• Terminus: Yokohama
  Yokohama
  is the capital city of Kanagawa Prefecture and the second largest city in Japan by population after Tokyo and most populous municipality of Japan. It lies on Tokyo Bay, south of Tokyo, in the Kantō region of the main island of Honshu...
  
   (ends at Junction with Route 1
  Route 1 (Japan)
  National Route 1 is a major highway on the island of Honshū in Japan. It connects Chūō, Tokyo in the Kantō region with the city of Osaka, Osaka Prefecture in the Kansai region, passing through the Chūbu region en route. It follows the old Tōkaidō westward from Tokyo to Kyoto, and the old Kyo Kaidō...
  
  )
• Major cities: Kawasaki
  Kawasaki, Kanagawa
  is a city located in Kanagawa Prefecture, Japan, between Tokyo and Yokohama. It is the 9th most populated city in Japan and one of the main cities forming the Greater Tokyo Area and Keihin Industrial Area....
  
  

History

• 1952-12-04 - First Class National Highway 15 (from Tokyo
  Tokyo
  , ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...
  
   to Yokohama
  Yokohama
  is the capital city of Kanagawa Prefecture and the second largest city in Japan by population after Tokyo and most populous municipality of Japan. It lies on Tokyo Bay, south of Tokyo, in the Kantō region of the main island of Honshu...
  
  )
• 1965-04-01 - General National Highway 15 (from Tokyo
  Tokyo
  , ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...
  
   to Yokohama
  Yokohama
  is the capital city of Kanagawa Prefecture and the second largest city in Japan by population after Tokyo and most populous municipality of Japan. It lies on Tokyo Bay, south of Tokyo, in the Kantō region of the main island of Honshu...
  
  )

Municipalities passed through

• Tokyo
  Tokyo
  , ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...
  
  
  • Chūō
    Chuo, Tokyo
    is one of the 23 special wards that form the heart of Tokyo, Japan. The ward refers to itself as Chūō City in English.Its Japanese name literally means "Central Ward," and it is historically the main commercial center of Tokyo, although Shinjuku has risen to challenge it since the end of World War II...
    
     - Minato
    Minato, Tokyo
    is one of the 23 special wards of Tokyo, Japan. As of 1 March 2008, it had an official population of 217,335 and a population density of 10,865 persons per km². The total area is 20.34 km².Minato hosts 49 embassies...
    
     - Shinagawa
    Shinagawa, Tokyo
    is one of the 23 special wards of Tokyo, Japan. In English, it is called Shinagawa City. The ward is home to nine embassies.As of 2008, the ward has an estimated population of 344,461 and a density of 15,740 persons per km². The total area is 22.72 km²....
    
     - Ōta
    Ota, Tokyo
    is one of the 23 Special wards of Tokyo, Japan.As of May 1, 2011, the ward has an estimated population of 676,458, with 348,492 households, and a population density of 11,376.69 persons per km²...
    
    
• Kanagawa Prefecture
  Kanagawa Prefecture
  is a prefecture located in the southern Kantō region of Japan. The capital is Yokohama. Kanagawa is part of the Greater Tokyo Area.-History:The prefecture has some archaeological sites going back to the Jōmon period...
  
  
  • Kawasaki
    Kawasaki, Kanagawa
    is a city located in Kanagawa Prefecture, Japan, between Tokyo and Yokohama. It is the 9th most populated city in Japan and one of the main cities forming the Greater Tokyo Area and Keihin Industrial Area....
    
     (Kawasaki-ku, Kanagawa) - Yokohama
    Yokohama
    is the capital city of Kanagawa Prefecture and the second largest city in Japan by population after Tokyo and most populous municipality of Japan. It lies on Tokyo Bay, south of Tokyo, in the Kantō region of the main island of Honshu...
    
     (Tsurumi
    Tsurumi-ku, Yokohama
    is one of the 18 wards of the city of Yokohama in Kanagawa Prefecture, Japan. As of 2010, the ward had an estimated population of 270,433 and a density of 8,140 persons per km²...
    
     - Kanagawa
    Kanagawa-ku, Yokohama
    is one of the 18 wards of the city of Yokohama in Kanagawa Prefecture, Japan. As of 2010, the ward had an estimated population of 230,401 and a density of 9,650 persons per km²...
    
    )

Intersects with

• Tokyo
  Tokyo
  , ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...
  
  
  • Routes 1
    Route 1 (Japan)
    National Route 1 is a major highway on the island of Honshū in Japan. It connects Chūō, Tokyo in the Kantō region with the city of Osaka, Osaka Prefecture in the Kansai region, passing through the Chūbu region en route. It follows the old Tōkaidō westward from Tokyo to Kyoto, and the old Kyo Kaidō...
    
    , 4
    Route 4 (Japan)
    National Route 4 is a major highway in eastern Honshū, Japan. The longest of the ordinary highways in Japan, it originates in Chūō, Tokyo and stretches north for 743.6 km to the city of Aomori in Aomori Prefecture. From Saitama Prefecture to Iwate Prefecture, it parallels the Tōhoku...
    
    , 6
    Route 6 (Japan)
    National Route 6 is a Japanese highway which goes from Tokyo via Mito and Hitachi in Ibaraki Prefecture towards Sendai. The route traces the old Mito Kaidō from Tokyo to Mito...
    
    , 14, 17
    Route 17 (Japan)
    National Route 17 is a highway on the island of Honshū in Japan. It originates at Nihonbashi in Chūō, Tokyo and terminates in the city of Niigata , where it meets Routes 7, 8, 49, 113 and 116)....
    
     and 20
    Route 20 (Japan)
    National Route 20 is a national highway connecting Tokyo and Shiojiri, Nagano prefecture in Japan. Originating at Nihonbashi in Chūō, Tokyo, it passes through Shinjuku and four other wards, and then seven cities, including Hachiōji in Tokyo. It follows a westward route into Kanagawa Prefecture,...
    
     at the origin
  • Route 130 at Minato-ku
  • Yashio Bypass, Route 357
    Route 357 (Japan)
    National Route 357 is a national highway of Japan connecting Chūō-ku, Chiba and Yokosuka, Kanagawa in Japan, with a total length of 70 km ....
    
     at Shinagawa-ku
  • Route 131
    Route 131 (Japan)
    National Route 131 is a national highway of Japan connecting Haneda Airport and Ōmori-Higashi 2-chōme, Ōta, Tokyo in Japan, with a total length of 3.6 km ....
    
     at Ōta-ku
• Kanagawa Prefecture
  Kanagawa Prefecture
  is a prefecture located in the southern Kantō region of Japan. The capital is Yokohama. Kanagawa is part of the Greater Tokyo Area.-History:The prefecture has some archaeological sites going back to the Jōmon period...
  
  
  • Routes 132
    Route 132 (Japan)
    National Route 132 is a national highway of Japan connecting Port of Kawasaki and Miyamaechō, Kawasaki-ku, Kawasaki in Japan, with a total length of 4.5 km ....
    
     and 409
    Route 409 (Japan)
    National Route 409 is a national highway of Japan connecting Takatsu-ku, Kawasaki and Narita, Chiba in Japan, with a total length of 119.3 km ....
    
    at Kawasaki-ku, Kawasaki
  • Route 1, at the terminus