Japan National Route 12

National Route 12
国道12号
Japan National Route 12 highlighted in red
Route information
Length	135.7 km[1] (84.3 mi)
Existed	4 December 1952–present
Major junctions
South end	National Route 36 / National Route 230 in Chūō-ku, Sapporo
Major intersections	National Route 5 National Route 275 National Route 234 National Route 451 National Route 38 National Route 233 National Route 237
North end	National Route 39 / National Route 40 in Asahikawa
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
← National Route 11 → National Route 13

National Route 12 (国道12号, Kokudō Jūni-gō) is a Japanese national highway connecting the two largest cities of Hokkaido, Sapporo and Asahikawa. The 135.7-kilometer-long (84.3 mi) highway begins at an intersection with National Routes 36 and 230 in Sapporo. It travels northeast across the western side of Hokkaido to Asahikawa where it ends at an intersection with National Routes 39 and 40.