Japan National Route 400

National Route 400 shield

National Route 400
国道400号
Route information
Length: 225.7 km (140.2 mi)
Highway system
National highways of Japan
Expressways of Japan

National Route 400 is a national highway of Japan connecting Mito, Ibaraki and Nishiaizu, Fukushima in Japan, with a total length of 225.7 km (140.24 mi).

Wikimedia Commons has media related to Route 400 (Japan).