Yokohama North Route

The Yokohama North Route (横浜北線, Yokohama-kita-sen), 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 8.2-kilometer (5.1 mi) long expressway running west from the northern terminus of the Daikoku Route at a junction with the Yokohane Route in Tsurumi-ku, Yokohama, to the Daisan Keihin Road in Tsuzuki-ku, Yokohama in Kanagawa Prefecture. Alongside the Daikoku Route, it connects northern Yokohama to the region-spanning Bayshore Route.

Shuto Expressway Yokohama North Route
首都高速神奈川7号横浜北線
Yokohama North Route highlighted in red
Route information
Maintained by Metropolitan Expressway Company Limited
Length8.2 km (5.1 mi)
Existed2017–present
Major junctions
East endNamamugi Junction in Tsurumi-ku, Yokohama
Yokohane Route
Daikoku Route
 
West endYokohama-Kōhoku Junction in Tsuzuki-ku, Yokohama
Daisan Keihin Road
Yokohama Northwest Route
Highway system
National highways of Japan
Expressways of Japan

Route description

The Yokohama North Route begins at Namamugi Junction with the Yokohane and Daikoku routes in Tsurumi Ward near the mouth of the Tsurumi River. From there it travels west through Tsurumi where it enters a tunnel that carries the majority of the length of the expressway. At the eastern entrance to the tunnel the expressway has a partial interchange with National Route 1. The tunnel, named the Yokohama-kita Tunnel, is a 5.9-kilometer (3.7 mi) long, twin-bore tunnel that travels at a maximum of 40 meters (130 ft) below the surface.[1] At the western entrance to the tunnel there is another interchange, this one is with Kanagawa Prefecture Route 13. This is also the point where the ramps to and from the Daisan Keihin Road begin and end. The expressway terminates at that highway, but also has access to the local streets in the Tsuzuki Ward where it ends.[2]

The speed limit along the entire length of the Yokohama North Route is set at 60 km/h.[3]

History

The entirety of the Yokohama North Route was opened to traffic on 18 March 2017 instead of being opened in phases like many of the other routes in the Shuto Expressway network. The only addition to the route since its initial opening date is the interchange at Baba, which will open in 2019.[4][5] The Yokohama North Route was connected the Yokohama Northwest Route, opened by the Metropolitan Expressway Company on 22 March 2020. The new expressway connected the Bayshore Route to the Tōmei Expressway.[6]

  • Yokohama North Route
  • Shin-Yokohama entrance in Kōhoku-ku
  • The Okuma River Truss bridge
  • Construction of the tunnel section of the Yokohama North Route in 2011
  • The eastern terminus of the expressway at Namamugi Junction

Junction list

The entire expressway lies within Yokohama in Kanagawa Prefecture

LocationkmmiExitNameDestinationsNotes
Tsurumi-ku0.00.0—Namamugi Yokohane Route – Haneda, Yokohama-kōen
Daikoku Route – to Bayshore Route		Eastern terminus, the expressway continues south as the Daikoku Route
0.80.50751/752Kishiya-namamugi National Route 1 – Tsurumi, Daikoku WharfWestbound exit, eastbound entrance
3.72.3753/754BabaOpening scheduled for 2019
Kōhoku-ku7.04.3755/756Shin-YokohamaKanagawa Prefecture Route 13 (Yokohama-Ikuta Route) – Shin-Yokohama
Tsuzuki-ku8.25.1757/758Yokohama-Kōhoku Daisan Keihin Road – Tokyo, Setagaya, Yokohama, Totsuka-ku, Yokohama
Yokohama Northwest Route – to Tōmei Expressway		Western terminus; expressway continues as the Yokohama Northwest Route
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also
  •  Japan portal
  •  Roads portal

References
  1. "横浜市道高速横浜環状北線（横浜環状北線トンネル）の概要について" (PDF) (in Japanese). 8 February 2019. Retrieved 20 November 2019.
  2. "高速神奈川7号横浜北線" (in Japanese). Metropolitan Expressway Company Limited. Retrieved 15 November 2019.
  3. "北西線の概要" (in Japanese). Retrieved 15 November 2019.
  4. "首都高の歴史". Metropolitan Expressway (in Japanese). Retrieved 15 November 2019.
  5. "住宅街で最大１３・７センチ地盤沈下　首都高横浜北線の工事が影響" (in Japanese). 4 August 2017. Retrieved 15 November 2019.
  6. "横浜北西線（横浜北線～東名高速）が2020年3月に開通します開通を記念して一般の方を対象としたイベントを開催予定" (in Japanese). 26 September 2019. Retrieved 15 November 2019.
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