The is a national expressway in the

Tōhoku region The , Northeast region, , or consists of the northeastern portion of Honshu, the largest island of Japan. This traditional region consists of six prefectures (): Akita, Aomori, Fukushima, Iwate, Miyagi, and Yamagata. Tōhoku retains ...

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 The , abbreviated as , is one of the main operators of expressways and toll roads in Japan. It is headquartered in Kasumigaseki, Chiyoda, Tokyo. The company was established on October 1, 2005 as a result of the privatization of Japan Highway P ...

Naming

The expressway is officially referred to as the Tōhoku Ōdan Expressway Sakata Route. From

Tsuruoka Junction is a city in Yamagata Prefecture, Japan. , the city had an estimated population of 125,389 in 49,024 households, and a population density of 95.74 persons per km2. The total area of the city is . Tsuruoka is the biggest city in Tōhoku region i ...

to Sakata-Minato Interchange the expressway is concurrent with the

Nihonkai Engan Tōhoku Expressway Nihonkai (日本海) may refer to: * Sea of Japan The Sea of Japan is the marginal sea between the Japanese archipelago, Sakhalin, the Korean Peninsula, and the mainland of the Russian Far East. The Japanese archipelago separates the sea from ...

, which is planned to extend further north to

Akita Prefecture is a Prefectures of Japan, prefecture of Japan located in the Tōhoku region of Honshu.Nussbaum, Louis-Frédéric. (2005). "Provinces and prefectures" in ; "Tōhoku" in . Its population is estimated 915,691 as of 1 August 2023 and its geographi ...

and

Aomori Prefecture is a Prefectures of Japan, prefecture of Japan in the Tōhoku region. The prefecture's capital, largest city, and namesake is the city of Aomori (city), Aomori. Aomori is the northernmost prefecture on Japan's main island, Honshu, and is border ...

Overview

The expressway begins in southern

Miyagi Prefecture is a Prefectures of Japan, prefecture of Japan located in the Tōhoku region of Honshu. Miyagi Prefecture has a population of 2,265,724 (1 August 2023) and has a geographic area of . Miyagi Prefecture borders Iwate Prefecture to the north, Akit ...

at a junction with the

Tōhoku Expressway The is a south-north national expressway, and the longest expressway in Japan at . Its southern terminus is in Kawaguchi, Saitama in the Greater Tokyo Area, at the Tokyo Gaikan Expressway and Kawaguchi Route near Araijuku Station, and its no ...

and heads west, crossing over into Yamagata Prefecture. The route passes to the north of the Yamagata city area and subsequently meets the

Tōhoku-Chūō Expressway The (lit. Central Tōhoku Expressway) is a 2-laned national expressway in the Tōhoku region of Japan. It is owned and operated by East Nippon Expressway Company and Ministry of Land, Infrastructure, Transport and Tourism (MLIT). The expressway ...

. From here the expressway crosses mountainous areas of western Yamagata Prefecture before reaching the city of

Tsuruoka is a Cities of Japan, city in Yamagata Prefecture, Japan. , the city had an estimated population of 125,389 in 49,024 households, and a population density of 95.74 persons per km2. The total area of the city is . Tsuruoka is the biggest city in ...

near the

Japan Sea The Sea of Japan is the marginal sea between the Japanese archipelago, Sakhalin, the Korean Peninsula, and the mainland of the Russian Far East. The Japanese archipelago separates the sea from the Pacific Ocean. Like the Mediterranean Sea, it ...

coastline. The remainder of the expressway follows a northerly course paralleling the coastline to the terminus in the city of Sakata. The route is incomplete between Gassan Interchange and Yudonosan Interchange which cuts the route into two physically separate sections. Travellers must use National Route 112 to travel between the two interchanges. As of March 2008 there are no plans to make the Yamagata Expressway a single contiguous expressway. The expressway is 4 lanes from Murata Junction to Yamagata Junction and 2 lanes for all other sections. The speed limit is 80 km/h for the 4-laned section and 70 km/h for the 2-laned sections.

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'' (2012 film), an American film * ''Junction'' (2024 film), an American film * ''Jjunction'', a 2002 Indian film * ''Junction'' (album), a 1976 album by Andrew Cyrille * Junction (E ...

, SA –

service area A rest area is a public facility located next to a large thoroughfare such as a motorway, expressway, or highway, at which drivers and passengers can rest, eat, or refuel without exiting onto secondary roads. Other names include motorway ser ...

, 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 ...

References

External links

East Nippon Expressway Company
{{coord missing, Japan Expressways in Japan Roads in Miyagi Prefecture Roads in Yamagata Prefecture 1981 establishments in Japan