国こく土ど開かい発はつ幹かん線せん自じ動どう車しゃ道どうMeaningsNoun1. national development arterial expresswayKanji used国country土earth開open発let out幹trunk線line自self動move車vehicle道roadwayComposed of国こく土どcountry; territory; domain; realmNoun開かい発はつdevelopment; cultivation; application; exploitation (of resources)Noun幹かん線せんmain line; trunk lineNoun自じ動どうautomatic; intransitive verbNo-adjective車しゃ道どうroadway; road; carriagewayNoun