National Route 422
国道422号
Route information
Length	163 km[1] (101 mi)
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
←National Route 421 →National Route 423

National Route 422 is anational highway ofJapan connectingŌtsu, Shiga andKihoku, Mie in Japan, with a total length of 163 km (101.28 mi).

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