The is a national expressway in the

Chūgoku region The , also known as the region, is the westernmost region of Honshū, the largest island of Japan. It consists of the prefectures of Hiroshima, Okayama, Shimane, Tottori, and Yamaguchi. In 2010, it had a population of 7,563,428. History '' ...

of Japan. It is owned and operated by

West Nippon Expressway Company The , abbreviated as , is one of the main operators of expressways and toll road A toll road, also known as a turnpike or tollway, is a public or private road (almost always a controlled-access highway in the present day) for which a fee (or ' ...

Overview

The expressway is officially referred to as the Chūgoku-Ōdan Expressway Onomichi Matsue Route. The route connects the city of

Matsue is the capital city of Shimane Prefecture, Japan, located in the Chūgoku region of Honshu. The city has an estimated population of 202,008 (February 1, 2021) following the merger with Higashiizumo from Yatsuka District. Matsue is located at ...

with the Chugoku Expressway in

Hiroshima Prefecture is a prefecture of Japan located in the Chūgoku region of Honshu. Hiroshima Prefecture has a population of 2,811,410 (1 June 2019) and has a geographic area of 8,479 km² (3,274 sq mi). Hiroshima Prefecture borders Okayama Prefecture to the ...

. The first section of the expressway was opened in 2003. The final section of the expressway (48.7 km between Miyoshi-Higashi Junction and Yoshida-Kakeya Interchange) was opened on March 30, 2013. The section between Miyoshi-Higashi Junction and Mitoya-Kisuki Interchange is toll-free; all other sections assess tolls based on distance travelled in the same manner as most other national expressways.

List of interchanges and features

* IC -

interchange Interchange may refer to: Transport * Interchange (road), a collection of ramps, exits, and entrances between two or more highways * Interchange (freight rail), the transfer of freight cars between railroad companies * Interchange station, a rai ...

, SIC -

smart interchange A is a feature of Japanese expressways that provides exclusive access to and from the expressway for vehicles equipped with electronic toll collection (ETC). The feature increases accessibility to and from the expressway in less-populated areas w ...

, JCT -

junction Junction may refer to: Arts and entertainment * ''Junction'' (film), a 2012 American film * Jjunction, a 2002 Indian film * Junction (album), a 1976 album by Andrew Cyrille * Junction (EP), by Basement Jaxx, 2002 * Junction (manga), or ''Hot ...

, SA -

service area Service area may refer to: * Rest area, a public facility, located next to a large thoroughfare such as a highway, at which drivers and passengers can rest, eat, or refuel * Service area (computing), a hidden portion of the hard disk drive that usu ...

, PA -

parking area A parking lot (American English) 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 ...

, BS - bus stop, TN -

tunnel A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube cons ...

, BR -

bridge A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...

External links

West Nippon Expressway Company
Expressways in Japan {{Japan-road-stub