# 道路運送車両法 / Road Transport Vehicle Act — 第四十四条 (Article 44) - Law: 道路運送車両法 (Road Transport Vehicle Act), 昭和二十六年法律第百八十五号 - English title "Road Transport Vehicle Act": Ministry of Justice translation database, which lists the title - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 第四十四条 (Article 44)（原動機付自転車の構造及び装置） — address `art-44` - Text in force since: 2026-04-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/road-transport-vehicle-act/art-44 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/326AC0000000185/art-44 - Every provision below carries its address and both URLs on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ### 第四十四条（原動機付自転車の構造及び装置） — Structure and Equipment of Motorized Bicycles caption: machine translation, not official art-44 · https://japanlaw.org/ja/road-transport-vehicle-act/art-44 · https://japanlaw.org/l/326AC0000000185/art-44 **第一項** 原動機付自転車は、次に掲げる事項について、国土交通省令で定める保安上又は公害防止その他の環境保全上の技術基準に適合するものでなければ、運行の用に供してはならない。 art-44/par-1 · https://japanlaw.org/ja/road-transport-vehicle-act/art-44/par-1 · https://japanlaw.org/l/326AC0000000185/art-44/par-1 A motorized bicycle must not be used for operation unless it conforms, with respect to the following matters, to the technical standards for safety, or for pollution prevention and other conservation of the environment, prescribed by Order of the Ministry of Land, Infrastructure, Transport and Tourism: machine translation, not official **一** 長さ、幅及び高さ art-44/par-1/item-1 · https://japanlaw.org/ja/road-transport-vehicle-act/art-44/par-1/item-1 · https://japanlaw.org/l/326AC0000000185/art-44/par-1/item-1 length, width and height; machine translation, not official **二** 接地部及び接地圧 art-44/par-1/item-2 · https://japanlaw.org/ja/road-transport-vehicle-act/art-44/par-1/item-2 · https://japanlaw.org/l/326AC0000000185/art-44/par-1/item-2 ground contact area and ground contact pressure; machine translation, not official **三** 制動装置 art-44/par-1/item-3 · https://japanlaw.org/ja/road-transport-vehicle-act/art-44/par-1/item-3 · https://japanlaw.org/l/326AC0000000185/art-44/par-1/item-3 braking equipment; machine translation, not official **四** 車体 art-44/par-1/item-4 · https://japanlaw.org/ja/road-transport-vehicle-act/art-44/par-1/item-4 · https://japanlaw.org/l/326AC0000000185/art-44/par-1/item-4 vehicle body; machine translation, not official **五** ばい煙、悪臭のあるガス、有毒なガス等の発散防止装置 art-44/par-1/item-5 · https://japanlaw.org/ja/road-transport-vehicle-act/art-44/par-1/item-5 · https://japanlaw.org/l/326AC0000000185/art-44/par-1/item-5 devices for preventing the emission of smoke, foul-smelling gases, toxic gases, etc.; machine translation, not official **六** 前照灯、番号灯、尾灯、制動灯及び後部反射器 art-44/par-1/item-6 · https://japanlaw.org/ja/road-transport-vehicle-act/art-44/par-1/item-6 · https://japanlaw.org/l/326AC0000000185/art-44/par-1/item-6 headlamps, number lamps, tail lamps, brake lamps and rear reflectors; machine translation, not official **七** 警音器 art-44/par-1/item-7 · https://japanlaw.org/ja/road-transport-vehicle-act/art-44/par-1/item-7 · https://japanlaw.org/l/326AC0000000185/art-44/par-1/item-7 horn; machine translation, not official **八** 消音器 art-44/par-1/item-8 · https://japanlaw.org/ja/road-transport-vehicle-act/art-44/par-1/item-8 · https://japanlaw.org/l/326AC0000000185/art-44/par-1/item-8 muffler; machine translation, not official **九** 方向指示器 art-44/par-1/item-9 · https://japanlaw.org/ja/road-transport-vehicle-act/art-44/par-1/item-9 · https://japanlaw.org/l/326AC0000000185/art-44/par-1/item-9 direction indicators; machine translation, not official **十** 後写鏡 art-44/par-1/item-10 · https://japanlaw.org/ja/road-transport-vehicle-act/art-44/par-1/item-10 · https://japanlaw.org/l/326AC0000000185/art-44/par-1/item-10 rear-view mirror; machine translation, not official **十一** 速度計 art-44/par-1/item-11 · https://japanlaw.org/ja/road-transport-vehicle-act/art-44/par-1/item-11 · https://japanlaw.org/l/326AC0000000185/art-44/par-1/item-11 speedometer. machine translation, not official ## Cited by 3 provisions cite this one. No official source publishes this direction. - 道路交通法 第七十一条第一項第五号の五（運転者の遵守事項） — https://japanlaw.org/ja/road-traffic-act/art-71/par-1/item-5-5 · https://japanlaw.org/l/335AC0000000105/art-71/par-1/item-5-5 - 道路交通法 第七十一条の二第一項（自動車等の運転者の遵守事項） — https://japanlaw.org/ja/road-traffic-act/art-71-2/par-1 · https://japanlaw.org/l/335AC0000000105/art-71-2/par-1 - 道路運送車両法 第四十六条第一項（保安基準の原則） — https://japanlaw.org/ja/road-transport-vehicle-act/art-46/par-1 · https://japanlaw.org/l/326AC0000000185/art-46/par-1 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 道路運送車両法 — the text in force from 2026-04-01 (https://laws.e-gov.go.jp/law/326AC0000000185/20260401_508AC0000000002), retrieved 2026-10-13 - Japanese Law Translation Database System, Ministry of Justice (法務省) — 道路運送車両法 — its English title as the Ministry of Justice's translation database lists it (https://www.japaneselawtranslation.go.jp/en/laws/view/529), retrieved 2026-09-18 - claude-sonnet-5-5 — Machine translation, batch road-transport-vehicle-act-20261013T120733-010, translated 2026-10-13 - This site's parser, version 189 — 道路運送車両法 — structure, counts, cross-references and defined terms, computed 2026-10-13