The is a tolled

single-point urban interchange A single-point urban interchange (SPUI, or ), also called a single-point interchange (SPI) or single-point diamond interchange (SPDI), is a type of highway interchange. The design was created in order to help move large volumes of traffic thro ...

along the

Aomori Expressway The is a two-lane national expressway spur route in Aomori, Aomori Prefecture, Japan. It is owned and operated by East Nippon Expressway Company and is signed E4A as a direct extension and spur route of the Tōhoku Expressway. Route descrip ...

Aomori, Japan is a prefecture of Japan in the Tōhoku region. The prefecture's capital, largest city, and namesake is the city of Aomori. Aomori is the northernmost prefecture on Japan's main island, Honshu, and is bordered by the Pacific Ocean to the eas ...

. It is the closest expressway interchange to the center of that city. The interchange is owned, tolled, 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 Pub ...

Description

The Aomori-chūō Interchange, south of Central

Aomori is the capital city of Aomori Prefecture, in the Tōhoku region of Japan. , the city had an estimated population of 278,964 in 136,457 households, and a population density of 340 people per square kilometer spread over the city's total area of ...

, is a continuous green-T hybrid interchange. The interchange is from Aomori IC and from Aomori-higashi IC, the respective western and eastern termini of the expressway. It is a junction of the

and the

Aomori Belt Highway The Aomori Belt Highway (青森環状道路 ''Aomori Kanjō-dōro'') is a major highway located entirely in the city of Aomori in northern Japan. Signed as National Route 7, it is a bypass that travels to the south of the central district of the ...

( National Route 7), which serves as an

access road A frontage road (also known as an access road, outer road, service road, feeder road, or parallel road) is a local road running parallel to a higher-speed, limited-access road. A frontage road is often used to provide access to private drivew ...

along much of the expressway. It is the only interchange with three or more levels in the city and one of three in

Aomori Prefecture is a prefecture of Japan in the Tōhoku region. The prefecture's capital, largest city, and namesake is the city of Aomori. Aomori is the northernmost prefecture on Japan's main island, Honshu, and is bordered by the Pacific Ocean to the east, ...

. The roadways on the three levels are: *Level I: National Route 7 and an unnamed road signed to a business park named Tonya-machi (問屋町). *Level II: Aomori Expressway and ramps to and from eastbound Aomori Expressway *Level III: Ramps to and from westbound Aomori Expressway Toll booths are located along Aomori Expressway and at the converging point of the interchange's ramps.

History

Construction on Aomori-chūō Interchange began in 1999, prior to the opening of the Aomori Expressway. The interchange was opened on September 28, 2003 at a cost of 79.5 billion Japanese yen. The completion of the expressway and interchange reduced travel times from 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 ...

to Central Aomori by 11 minutes and reduced congestion along the

Aomori West Bypass The Aomori West Bypass (青森西バイパス Aomori Nishi Bypass) is a major highway located entirely in the city of Aomori in northern Japan. The highway main function is to link the western part of the city to its center. Signed as National Ro ...

.http://www.mlit.go.jp/road/ir/ir-hyouka/20jigo/3_h20_18.pdf

References

External links

Google Maps Satellite View
{{DEFAULTSORT:Aomori-chūō Interchange Road interchanges in Japan Tōhoku Expressway Roads in Aomori Prefecture