Nagasaki Expressway

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Nagasaki Expressway sign

Nagasaki Expressway
Route information
Length: 120.4 km[1] (74.8 mi)
Existed: 1973 – present
Major junctions
From: Tosu Junction in Tosu
Japan road sign 325.svg Kyushu Expressway
Japan road sign 325.svg Ōita Expressway
To: Nagasaki Interchange in Nagasaki
Japan road sign 325.svg Nagasaki Dejima Road
Major cities: Saga, Takeo, Omura, Isahaya
Highway system
National highways of Japan
Expressways of Japan

Nagasaki Expressway (長崎自動車道?, Nagasaki Jidōsha-dō) is one of the Expressways of Japan from Tosu to Nagasaki. It runs through the prefecture of Saga, and the southern half of the Nagasaki prefecture. The total length is 120.4 km.


  • November 16, 1973, Tosu Interchange and Junction with the Kyushu Expressway to Nankan was open to traffic.
  • November 17, 1982, a section from Nagasaki-Tarami to Omura Interchanges was opened to traffic.
  • March 28, 1985, a section from Saga-Yamato to Tosu Interchanges was opened to traffic.
  • February 5, 1987, the Tosu Junction in the east was opened.
  • March 18, 1987, a section from Takeo-Kitagata to Saga-Yamato Interchanges was opened to traffic.
  • January 26, 1990, a section from Omura to Takeo-Kitagata was opened to traffic which made the Nagasaki Expressway from Tosu to Nagasaki fully accessible with no gaps.
  • January 26, 1990, the Takeo Junction was opened to traffic with another freeway.
  • December 18, 1997, the tunnel from Higashisonogi to Ureshino Interchanges which made Nagasaki Expressway with four lanes.
  • March 24, 2001, the Sagan Cross Bridge in the Tosu Junction was opened to traffic which made access to the bridge with the Kyushu Expressway.
  • March 27, 2004, a section from Nagasaki to Nagasaki-Tarami Interchanges was opened with other freeway.


Higashisonogi, Nagasaki, Japan


  • 4-lane, Tosu Junction to Nagasaki-Tarami Interchanges
  • 2-lane, Nagasaki-Tarami to Nagasaki Interchanges


  1. ^ Ministry of Land, Infrastructure and Transport, Kyushu Regional Development Bureau. "Road Timetable". Retrieved 2008-08-31.