San-en Nanshin Expressway

The San En Nanshin Expressway (三遠南信自動車道, San-en Nanshin Jidōshadō) is a national expressway connecting Iida, Nagano and Hamamatsu. It is owned and operated by Ministry of Land, Infrastructure, Transport and Tourism and is signed National Route 474 as well as E69 under their "2016 Proposal for Realization of Expressway Numbering."[2]

San-En Nanshin Expressway
三遠南信自動車道 国道474号
Route information
Length99.4 km[1] (61.8 mi)
Existed1994–present
Component
highways		 National Route 474
Highway system
National highways of Japan
Expressways of Japan
← National Route 473National Route 475 →

Junction list

Toll gates are appended with TB instead of an exit number. There are currently no service areas.

PrefectureLocationkmmiExitNameDestinationsNotes
NaganoIida0.00.026-1Iida-Yamamoto National Route 153 / Chūō ExpresswayNorthern terminus
7.24.5–Tenryūkyō National Route 151Temporary end of expressway
8.25.1–ChiyoNagano Prefecture Route 1Under construction; expected completion in 2019
11.27.04TatsueUnnamed roadTemporary end of expressway
14.69.15Iida-Kamihisakata-Takagi-Tomida National Route 256Temporary end of expressway
Takagi–UjinoriUnder construction
22.113.7–TakagiNagano Prefecture Route 251Temporary end of expressway
Takagi/Iida border22.4
26.6		13.9
16.5		Yahazu Tunnel
Iida26.916.7–Hodono National Route 152At grade junction; temporary end of expressway
44.2 km gap in the expressway, connection is made by National Route 152 / National Route 473
ShizuokaTenryū-ku, Hamamatsu71.144.2–Sakuma-Kawai National Route 473At grade junction; temporary end of expressway
71.8–
74.2		44.6–
46.1		Kawai Tunnel
74.346.2–Urakawa National Route 473 / unnamed roadSouthbound entrance, northbound exit
AichiTōei78.048.5–Tōei National Route 151At grade junction; temporary end of expressway
7.1 km gap in the expressway, connection is made by National Route 151
Shinshiro85.152.9–Hōraikyō National Route 151At grade junction; temporary end of expressway
ShizuokaKita-ku, Hamamatsu92.557.5–Shibukawa-TeranoUnnamed roadSouthbound entrance, northbound exit
98.561.2– / TBHamamatsu-Inasa-kitaShizuoka Prefecture Route 47Southbound exit, northbound entrance
99.061.515Hamamatsu-Inasa Shin-Tōmei ExpresswaySouthern terminus; expressway continues as the Shin-Tomei Expressway (Inasa Branch (E69))
Shin-Tōmei Expressway (Inasa Branch) through to Tōmei Expressway
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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References
  1. "一般国道の路線別、都道府県別道路現況" [Road statistics by General National Highway route and prefecture] (PDF) (in Japanese). Ministry of Land, Infrastructure, Transport and Tourism. Retrieved 11 February 2020.
  2. "Japan's Expressway Numbering System". www.mlit.go.jp.
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