National Route 117
国道117号
Route information
Length	119.6 km[1] (74.3 mi)
Existed	18 May 1953–present
Major junctions
South end	National Route 18 in Nagano, Nagano
North end	National Route 17 in Ojiya, Niigata
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
← National Route 116 → National Route 118

Route 117 (国道117号, Kokudō hyakujūnana-gō) is a national highway connecting Nagano, Nagano and Ojiya, Niigata in Japan.

Route data

• Length: 119.6 km (74.3 mi)
• Origin: Nagano City (originates at junction with Route 18)
• Terminus: Ojiya City (ends at Junction with Route 17)
• Major cities: Iiyama, Tokamachi

History

• 1953-05-18 - Second Class National Highway 117 (from Nagano to Ojiya)
• 1965-04-01 - General National Highway 117 (from Nagano to Ojiya)

Overlapping sections

• In Nagano City, from Nakagosho intersection to Nishiowaribe intersection: Route 19
• In Nagano City, Nishiowaribe intersection to Asano intersection: Route 18
• In Nagano City, Higashiwada intersection to Yanagihara-Kita intersection: Route 406
• In Iiyama City, Komaki-bashi kita intersection to Ario intersection: Route 292

Municipalities passed through

• Nagano Prefecture
  • Nagano - Obuse - Nagano - Nakano - Iiyama - Nozawaonsen - Sakae
• Niigata Prefecture
  • Tsunan - Tokamachi - Ojiya - Nagaoka - Ojiya

Intersects with

• Nagano Prefecture
  • Route 18
  • Route 19
  • Route 406
  • Route 406
  • Route 18
  • Route 292
  • Route 403
  • Route 292
  • Route 403
• Niigata Prefecture