Japan National Route 388

National Route 388
国道388号
Route information
Length229.4 km (142.5 mi)
Location
CountryJapan
Highway system
National Route 387 National Route 389

National Route 388 is a national highway of Japan connecting Saiki, Ōita and Yunomae, Kumamoto in Japan, with a total length of 229.4 km (142.54 mi).