Japan National Route 188

National Route 188 shield National Route 188
国道188号
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Japan National Route 188 in front of Iwakuni Station.jpg
Route information
Length	67.7 km (42.1 mi)
Existed	18 May 1953–present
Major junctions
North end	File:Japanese National Route Sign 0002.svg National Route 2 in Iwakuni
South end	File:Japanese National Route Sign 0002.svg National Route 2 in Kudamatsu
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
← National Route 187 → National Route 189

National Route 188 is a national highway of Japan connecting Iwakuni and Kudamatsu in Japan, with a total length of 67.7 km (42.07 mi).