San-en Nanshin Expressway

San-En Nanshin Expressway
三遠南信自動車道 国道474号
Route information
Length99.4 km (61.8 mi)
Existed1994–present
Component
highways
National Route 474
Location
CountryJapan
Highway system
National Route 473 National Route 475

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."