Japan National Route 278

National Route 278
国道278号
Japan National Route 278 highlighted in red
Route information
Length114.3 km (71.0 mi)
Location
CountryJapan
Highway system
National Route 277 National Route 279

National Route 278 (国道278号, Kokudō Nihyaku nana-juhachigō) is a national highway on the island and prefecture of Hokkaido in northern Japan. The 114.3-kilometer (71.0 mi) highway connects Hakodate and Mori.