The Longest Straight Road in Japan "Route 12"【The Halfway Point】

Installed along National Route 12 near Roadside Station "Hausjärvi Naie"

Route 12 is a general national route that connects Sapporo-shi and Asahikawa-shi, with a total length of 156.8 km. The 29.2 km section from Bibai-shi to Takikawa-shi is the "longest straight road in Japan."
Naie-cho is the halfway point. A monument has been erected there.