Japan National Route 12

National Route 12
国道12号 (Kokudō jūni-gō)
Route information
Length:	135.7 km (84.3 mi)
Highway system
National highways of Japan Expressways of Japan

National Route 12 is a national highway connecting Sapporo and Asahikawa in Hokkaidō, Japan.

Route Data

• Length: 135.7 km (84.3 mi)
• Origin: Chuo-ku, Sapporo, Sapporo (originates at the origins of Routes 36 and 230)
• Terminus: Asahikawa, Hokkaido (ends at the origin of Routes 39 and 40)
• Major cities: Ebetsu, Iwamizawa, Takikawa, Fukagawa

History

Suburb of Sapporo in winter

• 1952-12-04 - First Class National Highway 12 (from Sapporo to Asahikawa)
• 1965-04-01 - General National Highway 12 (from Sapporo to Asahikawa)

Municipalities passed through

• Ishikari Subprefecture
  • Sapporo - Ebetsu
• Sorachi Subprefecture
  • Iwamizawa - Mikasa - Bibai - Naie - Sunagawa - Takikawa -Fukagawa
• Kamikawa Subprefecture
  • Asahikawa

Intersects with

• Ishikari Subprefecture
  • Routes 36 and 230
  • Route 5
  • Route 275
  • Route 274
  • Route 337
• Sorachi Subprefecture
  • Route 234
  • Routes 38 and 451
  • Route 233
• Kamikawa Subprefecture
  • Route 237
  • Route 40
  • Route 39