| 释义 |
- Route Data
- History
- Municipalities passed through
- Intersects with
{{unsourced|date=November 2010}}{{Infobox road
|country=JPN
|type=National
|route=12
|alternate_name={{nihongo|国道12号|Kokudō jūni-gō}}
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|map=Japan National Route 12 Map.png
|length_km=135.7
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}}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- 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
- Sorachi Subprefecture
- Iwamizawa - Mikasa - Bibai - Naie - Sunagawa - Takikawa -Fukagawa
- Kamikawa Subprefecture
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
{{commonscat|Route 12 (Japan)}} 1 : National highways in Japan |