Japan National Route 40

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National Route 40
国道40号
Route information
Length	243.0 km[1] (151.0 mi)
Existed	4 December 1952–present
Major junctions
North end	National Route 106 in Wakkanai
South end	National Route 12 / National Route 39 / National Route 233 in Asahikawa
Location
Country	Japan
Major cities	Shibetsu Nayoro Teshio
Highway system
National highways of Japan Expressways of Japan
← National Route 39 → National Route 41

National Route 40 (国道40号, Kokudō yonjū-gō) is a national highway connecting Asahikawa and Wakkanai in Hokkaidō, Japan.

• Length: 243.0 km (151.0 mi)
• Origin: Asahikawa (originates at the terminus of 12 and the origin of 39)
• Terminus: Wakkanai (ends at Wakkanai Station)

• 1952-12-04 - First Class National Highway 40 (from Asahikawa to Wakkanai)
• 1965-04-01 - General National Highway 40 (from Asahikawa to Wakkanai)

• From Shibetsu (Odori East-6 intersection) to Nayoro (West-4 North-1 intersection): Route 239
• From Bifuka (Odori Kita-3 intersection) to Otoineppu: Route 275
• From Teshio to the terminus: Route 232

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