National Route 491
国道491号
Route information
Length	53.4 km[1] (33.2 mi)
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
←National Route 490 →National Route 492

National Route 491 is anational highway ofJapan. The highway connectsShimonoseki, Yamaguchi andNagato, Yamaguchi. It has a total length of 53.4 kilometers (33.2 mi).

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