Nihonkai-Tōhoku Expressway

Nihonkai-Tōhoku Expressway
日本海東北自動車道)
Route information
Maintained by East Nippon Expressway Company
Length: 53.6 km[1] (33.3 mi)
Tolled sections
Existed: 2001 – present
Major junctions
From: Niigata-Chūō Junction in Niigata, Niigata
Hokuriku Expressway
Ban-etsu Expressway
To: Kawabe Junction in Akita, Akita
Akita Expressway
Location
Major cities: Shibata, Tainai, Tsuruoka, Sakata, Nikaho, Yurihonjō
Highway system
National highways of Japan
Expressways of Japan

The Nihonkai-Tōhoku Expressway (日本海東北自動車道 Nihonkai Tōhoku Jidōsha-dō) is a national expressway in Japan. It is owned and operated by East Nippon Expressway Company.

Naming

The course of the expressway takes it alongside the coastline of the Sea of Japan (Nihonkai) in the Tōhoku region of Japan.

The Nihonkai-Tōhoku Expressway is the operating name for the sections of the Nihonkai Engan Tōhoku Expressway that are operated by East Nippon Expressway Company. The Nihonkai Engan Tōhoku Expressway is an official designation consisting of several routes that link Niigata with Aomori via Yamagata and Akita,[2] reaching a total of approximately 322 km.[3]

Overview

The first section of the expressway was opened to traffic in 2001. As of March 2008 the expressway incomplete in many areas. The next section is scheduled to open in 2009 (Nakajō Interchange to Arakawa Interchange)[4] to coincide with the National Sports Festival which is planned to be held in Niigata that year. After this, all future sections will be built according to the New Direct Control System, whereby the burden for construction costs will be shared by the national and local governments and no tolls will be collected. Currently the section between Honjō Interchange and Iwaki Interchange operates according to this principle.[5]

The expressway is 4 lanes from Niigata-Chūō Junction to Toyosaka Service Area, and 2 lanes for all remaining sections.

The route parallels the Uetsu Main Line of East Japan Railway Company and National Route 7 for much of its length.

List of interchanges and features

Niigata section

No. Name Connections Dist. from
Origin		 Dist. from
Terminus		 Bus Stop Notes Location
(all in Niigata)
Through to Hokuriku Expressway
(42) Niigata-Chūō JCT Ban-etsu Expressway 0.0 67.5 Kōnan-ku, Niigata
1[43] Niigata-Kameda IC National Route 49 3.2 64.3
BS Nishino Bus Stop 7.4 60.1 ○
2[44] Niigata Airport IC Pref. Route 16 (Niigata Kameda Uchino Route) 9.2 58.3
SA Toyosaka SA/SIC 11.7 55.8 SIC: Nakajō-bound exit, Niigata-bound entrance only Kita-ku, Niigata
BS Kuzutsuka Bus Stop 16.6 50.9 ○
3 Toyosaka-
Niigatahigashikō IC		 Pref. Route 46 (Niigata Ōsoto Kanjō Route) 18.3 49.2
4 Seirō-Shibata IC National Route 7 (Niigata Bypass) 25.7 41.8 ○ Seirō
BS Kajikawa-Shiunji Bus Stop 31.6 35.9 ○ Shibata
Emergency Exit ↓ ↑ Access for Shibata Hospital
Authorized vehicles only
5 Nakajō IC Pref. Route 591 (Nakajō Inter Route) 36.9 30.6 Tainai
TB Nakajō Toll Gate 37.0 30.5
BS Tainai Bus Stop 41.4 26.1 ○
6 Arakawa-Tainai IC National Route 113 46.6 21.1 Murakami
7 Kamihayashi-Iwafunekō IC 53.7 13.8
8 Murakami-Senamionsen IC National Route 7 57.7 9.8
9 Murakami-Saberi IC Pref. Route 397 (Kamiyamada Saberi Route) 61.4 6.1 Asahi-bound exit, Murakami-bound entrance only
10 Asahi-Miomote IC Pref. Route 349 (Tsuruoka Murakami Route) 63.7 4.2 Asahi-bound exit, Murakami-bound entrance only
11 Asahi-Mahoroba IC Pref. Route 208 (Koage Sarusawa Route) 67.5 0

Yamagata section

No. Name Connections Dist. from
Origin		 Dist. from
Terminus		 Bus Stop Notes Location
(all in Yamagata)
13 Atsumi IC Pref. Route 348 (Atsumigawa Kinomata Oiwagawa Route) 104.2 Tsuruoka
14 Iragawa IC Pref. Route 61 (Sugenodai Katanorizawa Route) 112.1 Atsumi-bound exit, Tsuruoka-bound entrance only
15 Sanze IC 116.9 Atsumi-bound exit, Tsuruoka-bound entrance only
16 Tsuruoka-nishi IC National Route 7 125.4
17 Tsuruoka JCT Yamagata Expressway 130.1
18 Shōnai Airport IC Pref. Route 33 (Shōnai Airport Tachikawa Route) 138.8 Sakata
19 Sakata IC/Toll Gate National Route 7 144.9
Sakata-chuo JCT National Route 47 149.7 Planned
20 Sakata-Minato IC Pref. Route 59 (Sakata Yahata Route) 156.4
Yuza(1) IC National Route 7 Planned Yuza
Yuza(2) IC National Route 7 Planned
Yuza(3) IC National Route 345 Planned

Akita section

No. Name Connections Dist. from
Origin		 Dist. from
Terminus		 Bus Stop Notes Location
(all in Akita)
Kisakata IC Planned Nikaho
12 Konoura IC National Route 7 0.0 57.7
13 Nikaho IC National Route 7 6.9 50.8
(Ryōzenji temporary IC) 8.2 49.5 Abolished on 27 October 2012
PA Nishime PA 13.2 44.5 Yurihonjō
14 Honjō IC National Route 107 19.4 38.3
14-1 Ōuchi JCT National Route 105 28.6 29.1
14-2 Matsugasaki-Kameda IC 35.5 22.2
TN Futago Tunnel ↓ ↑
15 Iwaki IC Pref. Route 44 (Yūwa Iwaki Route) 41.0 16.7
TB Akita Airport Toll Gate 54.9 2.8 Akita
16 Akita Airport IC Pref. Route 61 (Akita Goshono Yūwa Route) 55.3 2.4
5-1 Kawabe JCT Akita Expressway 57.7 0.0

References

  1. ↑ "E-NEXCO Expressway Data". Retrieved 2008-04-13.
  2. ↑ Ministry of Land, Infrastructure and Transport. "High Standard Trunk Road Map" (pdf). Retrieved 2008-04-13.
  3. ↑ Ministry of Land, Infrastructure and Transport. "Nihonkai Engan Tohoku Expressway Construction Status". Retrieved 2008-04-17.
  4. ↑ "E-NEXCO Opening Schedule". Retrieved 2008-04-15.
  5. ↑ Ministry of Land, Infrastructure and Transport. "Nihonkai Engan Tohoku Expressway Construction Status". Archived from the original on August 26, 2004. Retrieved 2008-04-17.

External links

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