青森県を走っていると
山中所々で見られるトンネル
何のため？
帰って調べると【スノーシェルター】という事がわかりました
地形や気象条件で防雪柵などの施設では対応できない両切土部や除雪が困難なトンネル坑口などに設置されている
While driving through Aomori Prefecture, I saw tunnels scattered throughout the mountains.
What were they for? When I got home and looked them up, I found out they were snow shelters.
They're installed in areas where snow fences and other structures can't be installed due to the terrain or weather conditions, such as in double-cut sections, or at tunnel entrances where snow removal is difficult.
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