This articlerelies largely or entirely on asingle source. Relevant discussion may be found on thetalk page. Please helpimprove this article byintroducing citations to additional sources. Find sources: "Japan National Route 312" – news ·newspapers ·books ·scholar ·JSTOR(January 2025)

National Route 312
国道312号
Route information
Length	153.5 km[1] (95.4 mi)
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
←National Route 311 →National Route 313

National Route 312 is anational highway ofJapan connectingMiyazu, Kyoto andHimeji, Hyōgo in Japan, with a total length of 153.5 km (95.38 mi).

Wikimedia Commons has media related toRoute 312 (Japan).

This article relating to the roads and highways in Japan is astub. You can help Wikipedia byexpanding it.

• v
• t
• e

• National highways of Japan
• Roads in Hyōgo Prefecture
• Roads in Kyoto Prefecture
• 1970 establishments in Japan
• Japan road stubs

• CS1 Japanese-language sources (ja)
• Articles with short description
• Short description matches Wikidata
• Articles needing additional references from January 2025
• All articles needing additional references
• Articles containing Japanese-language text
• Infobox road instances in Japan
• Commons category link is on Wikidata
• All stub articles
• Pages using the Kartographer extension