30 percents or 13,103 kilometer(8,142 miles) of national and prefectural road designated as school road had not had sidewalks by the end of March 2011, Japanese Ministry of Land, Infrastructure, Transport and Tourism revealed.
School road is defined by Traffic Safety Act as a road used more than 40 students per a day or a road located less than a kilometer from a school.
通学路:歩道なし３０％、簡易整備だけ１２％ 国交省調査 ―毎日jp
http://mainichi.jp/select/news/20121023k0000m040134000c.html
日本のインフラ整備は本当に素晴らしい
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