is a Japanese expressway in

Kyushu is the third-largest island of Japan's Japanese archipelago, four main islands and the most southerly of the four largest islands (i.e. excluding Okinawa Island, Okinawa and the other Ryukyu Islands, Ryukyu (''Nansei'') Ryukyu Islands, Islands ...

that travels from Tosu to Hiji, where it connects to the Higashikyushu Expressway. It runs through the southern half of

Fukuoka Prefecture is a Prefectures of Japan, prefecture of Japan located on the island of Kyūshū. Fukuoka Prefecture has a population of 5,109,323 (1 June 2019) and has a geographic area of 4,986 Square kilometre, km2 (1,925 sq mi). Fukuoka Prefecture borders ...

, and the northern half of

Ōita Prefecture is a prefecture of Japan located on the island of Kyūshū. Ōita Prefecture has a population of 1,081,646 (1 February 2025) and has a geographic area of 6,340 km2 (2,448 sq mi). Ōita Prefecture borders Fukuoka Prefecture to the northwest, K ...

. The total length of Ōita Expressway is .

History

* February 5, 1987, the Tosu Junction to Asakura Interchange was opened. * July 20, 1989, a section from Yufuin to Beppu Interchanges was opened to traffic. * March 10, 1990, a section from Asakura to Hita Interchanges was opened to traffic. * December 3, 1992, a section from Beppu to Ōita Interchanges was opened to traffic. * December 15, 1994, a section from Hiji Junction to Hayami Interchange was opened to traffic. * March 10, 1995, a section from Hita to Kusu Interchanges was opened to traffic. * March 28, 1996, a section from Kusu to Yufuin Interchanges was opened to traffic. * November 26, 1996, a section from Ōita to Ōita Mera Interchanges was opened to traffic which made the Ōita Expressway from Tosu to Ōita fully accessible with no gaps. * November 11, 1998, a section from Haki to Hita Interchanges which made Ōita Expressway with four lanes. * November 27, 1999, the Ōita Mera Interchange to the east was opened to traffic. * March 21, 2000, a section from Hita to Kusu Interchanges which made with four lanes. * March 30, 2002, a section from Hayami Interchange to the east was opened with other freeway. * May 25, 2002, a section from Yufuin Interchange to Hiji Junction which made with four lanes. * August 30, 2004, a section from Mizuwake Parking Area to Yufuin Interchange which made with four lanes. * March 19, 2005, a section from Kusu Interchange to Mizuwake Parking Area which made Ōita Expressway from Tosu to Ōita with four lanes now being connected with no gaps. * August 11, 2008, the Ōita Mitsuyoshi Interchange was fully accessible. * August 5, 2018, a section from Hiji Junction to Ōita Mera Interchange is incorporated as part of the Higashikyushu Expressway.

Interchanges

* IC - interchange, JCT - junction, SA - service area, PA -

parking area A parking lot or car park (British English), also known as a car lot, is a cleared area intended for parking vehicles. The term usually refers to an area dedicated only for parking, with a durable or semi-durable surface. In most jurisdic ...

, BS -

bus stop A bus stop is a place where Public transport bus service, buses stop for passengers to get on and off the bus. The construction of bus stops tends to reflect the level of usage, where stops at busy locations may have shelter (building), shelters ...

, TN -

tunnel A tunnel is an underground or undersea passageway. It is dug through surrounding soil, earth or rock, or laid under water, and is usually completely enclosed except for the two portals common at each end, though there may be access and ve ...

, BR -

bridge A bridge is a structure built to Span (engineering), span a physical obstacle (such as a body of water, valley, road, or railway) without blocking the path underneath. It is constructed for the purpose of providing passage over the obstacle, whi ...

, TB -

toll gate Toll Gate or Tollgate may refer to: * Toll gate, a barrier across a toll road or toll bridge that is lifted when the toll is paid Entertainment * Tollgate (Hale single), "Tollgate" (Hale single) * ''The Toll-Gate'', a 1954 novel by Georgette Heye ...

* Bus stops labeled "○" are currently in use; those marked "◆" are closed.

Lanes

* 4-lane

References

{{DEFAULTSORT:Oita Expressway Expressways in Japan Kyushu region Roads in Fukuoka Prefecture Roads in Ōita Prefecture Roads in Saga Prefecture 1987 establishments in Japan