- Japan National Route 12
Infobox road
state=Japan
type=National
route=12
name_notes="nihongo|国道12号|Kokudō jūni-gō"
maint=
length_km=135.7
length_round=
length_ref=
established=
direction_a=
terminus_a=
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direction_b=
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commons=category
customcommons=Route 12 (Japan)National Route 12 is a national highway connecting
Sapporo and Asahikawa inHokkaidō ,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, FukagawaHistory
*
1952-12-04 - First Class National Highway 12 (fromSapporo to Asahikawa)
*1965-04-01 - General National Highway 12 (fromSapporo to Asahikawa)Municipalities passed through
*
Ishikari Subprefecture
**Sapporo - Ebetsu
*Sorachi Subprefecture
**Iwamizawa - Mikasa - Bibai - Naie - Sunagawa - Takikawa -Fukagawa
*Kamikawa Subprefecture
**AsahikawaIntersects 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
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