Isewangan Expressway

The Isewangan Expressway (伊勢湾岸自動車道, Isewangan Jidōshadō) is a national expressway in the Tōkai region of Japan. It is owned and operated by Central Nippon Expressway Company.

Isewangan Expressway
伊勢湾岸自動車道
Route information
Length56.4 km[1] (35.0 mi)
Existed1985[2]–present
Major junctions
FromToyota-higashi Junction in Toyota, Aichi
Shin-Tōmei Expressway
Tōkai-Kanjō Expressway
ToYokkaichi-kita Junction in Yokkaichi, Mie
Shin-Meishin Expressway
Tōkai-Kanjō Expressway
Location
Major citiesNagoya, Kuwana
Highway system
National highways of Japan
Expressways of Japan

Naming

The route primarily follows the north shore of Ise Bay (wangan means bayshore in Japanese).

Officially, the route has 3 designations. The section from Toyota-higashi Junction to Tōkai Junction is referred to as part of the Second Tōkai Expressway.[3] The section from Tōkai Junction to Tobishima Interchange is referred to as part of National Route 302.[4] This section is not classified as a national expressway but rather as a national highway for motor vehicles only with national expressway concurrency. There is no difference in the design standard of this section compared with the rest of the expressway. Finally, the section from Tobishima Interchange to Yokkaichi-kita Junction is referred to as part of the Kinki Expressway Nagoya Kobe Route.[3]

Overview

The Isewangan is planned to link the future Shin-Tōmei Expressway to the east and Shin-Meishin Expressway to the west. These 3 expressways will replace the Tōmei Expressway and Meishin Expressway as the primary roadway linking Tokyo, Nagoya, and Osaka.

The first segment (Meikō-Chūō Interchange to Tobishima Interchange) was opened in 1985 as the Isewangan Road and the most recent addition was opened in 2005.[2] The final segment (Yokkaichi Junction to Yokkaichi-kita Junction) is planned to connect with extensions to the Shin-Meishin Expressway and Tōkai-Kanjō Expressway. The route is 6 lanes for its entire length.

The expressway features several impressive bridges. Three bridges span the Nagoya Port area (collectively known as the Meikō Triton) and two bridges span the Kiso River and Ibi River (collectively known as the Twinkle Bridges).

List of interchanges and features
No. Name Connections Dist. from
Origin		 Dist. from
Terminus		 Notes Location
Through to Shin-Tōmei Expressway
1 Toyota-higashi JCT Tōkai-Kanjō Expressway 0.0 56.4 Toyota Aichi
BR Toyota Arrows Bridge ↓ ↑ Yahagi River crossing
Cable-stayed bridge, Length - 820 m
2 Toyota-higashi IC National Route 248 3.1 53.3
(19-1) Toyota JCT Tōmei Expressway 5.0 51.4
3 Toyota-minami IC Pref. Route 56 (Nagoya Okazaki Route) 12.6 43.8
PA Kariya PA 15.9 40.5 Highway Oasis Kariya
4 Toyoake IC National Route 1
National Route 23 (Meishi Highway/Chiryū Bypass)
Pref. Route 57 (Seto Ōbu Tōkai Route)		 20.2 36.2 Toyoake
5 Nagoya-minami JCT Mei-Nikan Expressway
Nagoya Expressway Ōdaka Route		 25.5 30.9 Midori-ku, Nagoya
Nagoya-minami IC National Route 23 (Meishi Highway) Toyota-bound exit, Yokkaichi-bound entrance only
6 Ōbu IC Chitahantō Road (Ōbu-nishi IC)
National Route 302		 27.0 29.4 Ōbu
Tōkai
7 Tōkai IC National Route 302
National Route 247		 29.9 26.5
7-1 Tōkai JCT Nagoya Expressway Tōkai Route
BR Meikō-higashi Bridge ↓ ↑ Cable-stayed bridge
Length - 700 m
Minato-ku, Nagoya
8 Meikō-Shiomi IC Pref. Route 225 (Nagoya Higashi Kō Route) 32.4 24.0
BR Meikō-chūō Bridge ↓ ↑ Cable-stayed bridge
Length - 1,170 m
9 Meikō-chūō IC 34.8 21.6
BR Meikō-nishi Bridge ↓ ↑ Cable-stayed bridge
Length - 758 m
Tobishima
10 Tobishima IC National Route 302 37.6 18.8
- Tobishima JCT Mei-Nikan Expressway - - opening in 2020
11 Wangan-Yatomi IC Pref. Route 71 (Nagoya Nishi Kō Route) 40.5 15.9 Yokkaichi-bound exit, Toyota-bound entrance only Yatomi
12 Yatomi-Kisozaki IC Pref. Route 103　(Yokkaichi Suzuka Route) 43.3 13.1 Toyota-bound exit, Yokkaichi-bound entrance only
BR Kisogawa Bridge ↓ ↑ Length - 1,145m
Kuwana Mie
13/PA Wangan-Nagashima IC/PA Pref. Route 7 (Suigō Kōen Route) 45.9 10.5
BR Ibigawa Bridge ↓ ↑ Length - 1,397m
14 Wangan-Kuwana IC Pref. Route 69 (Wangan-Kuwana Inter Route) 48.4 8.0
BR Inabegawa Bridge ↓ ↑
Kawagoe
15 Mie-Kawagoe IC National Route 23 (Meishi Highway)
Pref. Route 401 (Kuwana Yokkaichi Route)		 50.2 6.2
16 Mie-Asahi IC Pref. Route 66 (Yokkaichi Asahi Route) 54.2 2.2 Toyota-bound exit, Yokkaichi-bound entrance only Yokkaichi
(29-1) Yokkaichi JCT Higashi-Meihan Expressway 56.4 0.0
Through to Shin-Meishin Expressway
  • Toyota Arrows Bridge
  • Meikō Triton view from the west
  • Meikō-higashi Bridge
  • Meikō-chūō Bridge
  • Meikō-nishi Bridge
  • Twinkle Kisogawa Bridge
  • Twinkle Kisogawa Bridge
  • Twinkle Ibigawa Bridge and Nagashima Spaland
  • Twinkle Ibigawa Bridge at night
  • Furukawa Viaduct
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References
  1. Ministry of Land, Infrastructure and Transport. "Road Timetable". Archived from the original on 2008-03-14. Retrieved 2008-04-17.
  2. Ministry of Land, Infrastructure and Transport. "History of the Expressway Network in the Greater Nagoya Area". Archived from the original on 2008-03-28. Retrieved 2008-04-17.
  3. Ministry of Land, Infrastructure and Transport. "High Standard Trunk Road Map" (PDF). Archived from the original (pdf) on 2011-09-20. Retrieved 2008-04-13.
  4. Aichi Prefectural Government. "Toll Road Information". Retrieved 2008-05-19.

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