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National Route 309
国道309号
Route information
Length	145.5 km[1] (90.4 mi)
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
←National Route 308 →National Route 310

National Route 309 is anational highway ofJapan connectingKumano, Mie andHirano-ku, Osaka in Japan, with a total length of 145.5 km (90.41 mi).

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