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Yamagata Expressway

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Title: Yamagata Expressway  
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Subject: Miyagi Prefecture, Nishikawa, Yamagata, Murata, Miyagi, Kawasaki, Miyagi, Tōhoku Expressway, Bandai-Asahi National Park, Mototate Station
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Yamagata Expressway

Yamagata Expressway
山形自動車道
;">Route information
Length:
Existed: 1981[1] – present
;">Major junctions
From: Murata Junction in Tōhoku Expressway
To: Sakata-Minato Interchange in Nihonkai Engan Tōhoku Expressway
Yamagata Prefectural Route 59
Length:
Length:
Length:
Length:
;">
;">Highway system
National highways of Japan
Expressways of Japan

The Yamagata Expressway (山形自動車道 Yamagata Jidōsha-dō?) is a national expressway in the Tōhoku region of Japan. It is owned and operated by East Nippon Expressway Company.

Naming

The expressway is officially referred to as the Tōhoku Ōdan Expressway Sakata Route. From Tsuruoka Junction to Sakata-Minato Interchange the expressway is concurrent with the Nihonkai Engan Tōhoku Expressway, which is planned to extend further north to Akita Prefecture and Aomori Prefecture.[2]

Overview

The expressway begins in southern Miyagi Prefecture at a junction with the Tōhoku Expressway 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. From here the expressway crosses mountainous areas of western Yamagata Prefecture before reaching the city of Tsuruoka near the Japan Sea 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.[3]

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

No. Name Connections Dist. from
Origin
Dist. from
Terminus
Bus Stop Notes Location
(26) Murata JCT Tōhoku Expressway 0.0 83.5 Murata Miyagi
1 Miyagikawasaki IC National Route 286
Pref. Route 14 (Watari Ōgarawa Kawasaki Route)
10.4 73.1 Kawasaki
PA Furuseki PA 18.2 65.3
2 Sasaya IC National Route 286 22.3 61.2
TN Sasaya Tunnel Murata-bound - 3,411 m
Sakata-bound - 3,286m
Yamagata Yamagata
3 Sekizawa IC National Route 286 28.1 55.4 Sakata-bound exit, Murata-bound entrance only
4 Yamagatazaō IC/
PA
National Route 286 35.6 47.9
TN Sakazukiyama Tunnel Murata-bound - 1,234 m
Sakata-bound - 1,240 m
5 Yamagata-kita IC National Route 13 41.9 41.6
Emergency Exit Access for Yamagata Chūō Hospital
Authorized vehicles only
6 Yamagata JCT Tōhoku-Chūō Expressway 46.6 36.9
BR Mogamigawa Bridge Mogami River crossing Nakayama
7 Sagae IC National Route 112 52.8 30.7 Sagae
SA Sagae SA/
SIC
55.9 27.6
8 Nishikawa IC National Route 112 67.0 16.5 Nishikawa
TB Nishikawa Toll Gate
TN Kazeakesan Tunnel Length - 1,920 m
PA Gassanko PA 81.3 2.2
9 Gassan IC National Route 112 83.5 0.0
Through to National Route 112 (Gassan Road)
10 Yudonosan IC National Route 112 0.0 53.1 Tsuruoka Yamagata
TN Tamugimata Tunnel Length - 1,921 m
TN Miguriya Tunnel Length - 1,463 m
BS Shōnai-Asahi Bus Stop 9.1 44.0
11 Shōnai-Asahi IC Pref. Route 44 (Amarume Atsumi Route) 9.9 43.2
PA Kushibiki PA 13.0 40.1
12/TB Tsuruoka IC/
TB
National Route 7 23.8 29.3
13 Tsuruoka JCT Nihonkai-Tōhoku Expressway Opens in 2011
14 Shōnai Airport IC Pref. Route 33 (Shōnai Airport Tachikawa Route) 34.1 19.0 Sakata
15 Sakata IC/
TB
National Route 7 41.2 11.9
BR Mogamigawa-Hakuchō Bridge Mogami River crossing
16 Sakata-Minato IC Pref. Route 59 (Sakata Yawata Route) 53.1 0.0
Through to Nihonkai Engan Tōhoku Expressway (Planned)

References

External links

  • (Japanese) East Nippon Expressway Company

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