Nishi-Kyūshū Expressway

Overview

History

• March 24, 1988, a section from Sasebo Daitō to Hasami Arita Interchanges was opened to traffic.
• November 30, 1989, a section from Hasami Arita to Takeo Minami Interchange was opened to traffic.
• January 26, 1990, a section from Takeo Minami Interchange to Takeo Junction was opened to traffic with another freeway.
• March 26, 1993, a section from Susenji Interchange to Higashi Intersection was opened to traffic.
• April 17, 1998, a section from Sasebo Minato to Sasebo Daitō Interchange was opened to traffic.
• September 26, 1998, a section from Jyūrokuchō to Susenji Interchanges was opened to traffic.
• October 13, 2001, a section from Fukushige Junction to Jyūrokuchō Interchange was opened to traffic with another freeway.
• November 2003, a section from Fukushige Junction to Maebaru Interchange which made with four lanes.
• December 18, 2005, a section from Hamatama to Karatsu Interchange was opened to traffic.
• December 12, 2009, a section from Nijō Shikaka to Hamatama Interchange was opened to traffic with another freeway.
• March 20, 2010, a section from Ainoura Nakazato to Sasebo Minato Interchanges was opened to traffic.
• February 26, 2011, a section from Fukushige Junction to the east was opened with other freeway.
• September 13, 2011, a section from Saza to Ainoura Nakazato Interchange was opened to traffic.
• March 24, 2012, a section from Karatsu to Karatsu Chichika Yamada Interchange was opened to traffic.
• March 23, 2013, a section from Karatsu Chichika Yamada to Kitahata Interchange was opened to traffic.
• February 1, 2015, a section from Kitahata to Minamihata Taniguchi Interchange was opened to traffic.
• March 14, 2015, a section from Yamashiro Kubara to Imabuku Interchange was opened to traffic.
• November 5, 2017, a section from Imabuku to Tsukinokawa Interchange was opened to traffic.
• March 31, 2018, a section from Minamihata Taniguchi to Imari Higashi Interchange was opened to traffic.
• December 15, 2018, a section from Tsukinokawa to Matsuura Interchange was opened to traffic.

  Interchanges

• IC - interchange, SIC - smart interchange, JCT - junction, SA - service area, PA - parking area, BS - bus stop, TN - tunnel, BR - bridge, TB - toll gate
• Bus stops labeled "○" are currently in use; those marked "◆" are closed.