「道路施設現況調査」による。３月31日現在。ただし、平成27年以前は４月１日現在。 Data are based on the Survey of Current Road Infrastructure Conditions. As of 31 March. However, up to 2015, as of 1 April.（単位 1,000キロメートル）平成22年高速自動車国道National一般国道都道府県道市町村道平成22年高速自動車国道National一般国道都道府県道市町村道1) 橋長２m以上の道路橋で、高架の道路及び桟橋を含む。 2) 簡易舗装を除く。 3) 東日本大震災の影響により、市町村道の一部に当年４月１日ではないデータを含む。1) Road bridges with the length 2 metres or more, including elevated roads and piers. 2) Excluding roads with simplepavement. 3) Including the data which are not 1April in part of the municipal roads, due to the Great East Japan Earthquake.資料 国土交通省「道路統計年報」Source: Ministry of Land, Infrastructure, Transport and Tourism.年次、道路種別2731令和2年年次、道路種別Year and kind of road2731令和2年13-1 道路の現況（平成22年～令和２年）Roads (2010 to 2020)改良済未改良舗装道 実延長種類別By kindトンネルTunnels延長箇所数Number自地域内都道府県界OnYear and kind of road2010201520192020expresswaysGeneral nationalhighwaysPrefectural roadsMunicipal roads2010201520192020expresswaysGeneral nationalhighwaysPrefectural roadsMunicipal roads総延長実延長Total lengthTotal real橋梁Bridges箇所数Number自地域内都道府県界Onlength1,2691,2771,2811,2829.21,2101,2211,2261,2279.13)66561431,0641301,033Inside oneprefectureprefecturalboundary66269269070354679,227690,083691,488692,11412,4693)17758,531230242101,319519,795Standard-improvedUnimprovedPaved roads7407677827859.1470453445443-532.410561725416Total real length1)Total lengthInside oneprefectureprefecturalboundary(km)12,52513,26713,52313,5591,4279,74110,30110,52310,6081,1472,9344,1653,1456,0542,7402,556simplepavementUnpavedroads3263423493509.1647656663664-237223215213-523.40.386203406204.0209Total lengthof roadswith sidewalksTotal length(km)3,7254,3494,6834,7421,17421621923423862169177181182-2,1721393493146527105396路面別By surface簡易舗装道Roads with未舗装道 道路延長歩道設置道路実延長延長(In thousands of kilometres)種類別By kind舗装率Roadlength1,1941,2031,2081,2096.4511261,026Pavementratio(%)2)27.028.028.528.6100.093.466.319.7340 13 運輸・観光
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