Japan National Route 278

National Route 278
国道278号
Route information
Length: 114.3 km (71.0 mi)
Highway system

National highways of Japan
Expressways of Japan

National Route 278 is a national highway of Japan connecting Hakodate, Hokkaidō and Mori, Hokkaidō in Japan, with a total length of 114.3 km (71.02 mi).