The is a 4-laned national
expressway in
Nagano Prefecture
is a Landlocked country, landlocked Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu. Nagano Prefecture has a population of 2,007,682 () and has a geographic area of . Nagano Prefecture borders Niigata Prefecture ...
,
Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
. It is owned and operated by
East Nippon Expressway Company and
Central Nippon Expressway Company.
Naming
The expressway is officially referred to as the Chūō Expressway Nagano Route. The Chūō Expressway Nagano Route is the official designation for the
Chūō Expressway between
Takaido Interchange and Okaya Junction (concurrent with the Chūō Expressway Nishinomiya Route), the Nagano Expressway between Okaya Junction and Kōshoku Junction, and the
Jōshin-etsu Expressway between Kōshoku Junction and
Suzaka-Naganohigashi Interchange (concurrent with the Kan-Etsu Expressway Jōetsu Route).
Overview
The expressway was originally built and managed by
Japan Highway Public Corporation
, or JH, was a public company established after World War II to construct and manage highway networks in Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it i ...
. On October 1, 2005, the management of the route was assigned to
East Nippon Expressway Company (Kōshoku Junction to
Azumino Interchange, excluding the interchange) and
Central Nippon Expressway Company (Okaya Junction to Azumino Interchange, including the interchange).
The route of the expressway runs through the central part of Nagano Prefecture. From the origin at a junction with the Chūō Expressway in the city of
Okaya near
Lake Suwa, the expressway follows a northerly course to
Matsumoto, the major city in the central Nagano area. From here the expressway follows a winding northeasterly course through mountainous areas before reaching the terminus in the city of
Chikuma. Beyond the terminus, the roadway continues as the Jōshin-etsu Expressway towards the city of
Nagano, the prefectural capital.
History
* March 25, 1986 - Okaya Junction - Okaya Interchange section is opened as part of the Chūō Expressway.
* March 5, 1988 - Okaya Interchange - Matsumoto Interchange section is opened, Okaya Junction - Okaya Interchange section is incorporated as part of the Nagano Expressway.
* August 3, 1988 - Matsumoto Interchange - Toyoshina Interchange section is opened.
* March 25, 1993 - Toyoshina Interchange - Kōshoku Junction section is opened, connects with Jōshin-etsu Expressway.
* October 1, 2006 - Obasute Smart Interchange is opened at Obasute Service Area.
List of interchanges and features
* IC -
interchange, SIC -
smart interchange, JCT -
junction, SA -
service area, PA -
parking area, 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 ...
, CB -
snow chains, 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 ...
There is one snow chain changing area between Obasute Service Area and Kōshoku Interchange.
References
External links
East Nippon Expressway CompanyCentral Nippon Expressway Company
{{coord missing, Japan
Expressways in Japan
1986 establishments in Japan