# 道路交通法 / Road Traffic Act — 第六十三条の九 (Article 63-9) - Law: 道路交通法 (Road Traffic Act), 昭和三十五年法律第百五号 - English title "Road Traffic Act": Ministry of Justice translation - 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: 第六十三条の九 (Article 63-9)（自転車の制動装置等） — address `art-63-9` - Text in force since: 2026-07-21 - URL (the page that opens at this provision): https://japanlaw.org/ja/road-traffic-act/art-63-9 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/335AC0000000105/art-63-9 - 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. --- ### 第六十三条の九（自転車の制動装置等） — (Bicycle Braking Equipment; Other Equipment) caption: Ministry of Justice translation — Japanese Law Translation Database System art-63-9 · https://japanlaw.org/ja/road-traffic-act/art-63-9 · https://japanlaw.org/l/335AC0000000105/art-63-9 **第一項** 自転車の運転者は、内閣府令で定める基準に適合する制動装置を備えていないため交通の危険を生じさせるおそれがある自転車を運転してはならない。 art-63-9/par-1 · https://japanlaw.org/ja/road-traffic-act/art-63-9/par-1 · https://japanlaw.org/l/335AC0000000105/art-63-9/par-1 A person must not ride a bicycle that is likely to pose a traffic hazard because it lacks braking equipment that conforms to the standards Cabinet Office Order prescribes. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 自転車の運転者は、夜間（第五十二条第一項後段の場合を含む。）、内閣府令で定める基準に適合する反射器材を備えていない自転車を運転してはならない。ただし、第五十二条第一項前段の規定により尾灯をつけている場合は、この限りでない。 art-63-9/par-2 · https://japanlaw.org/ja/road-traffic-act/art-63-9/par-2 · https://japanlaw.org/l/335AC0000000105/art-63-9/par-2 A person must not ride a bicycle at night (or as prescribed in the second sentence of Article 52, paragraph (1)) if it lacks reflective equipment that conforms to the standards Cabinet Office Order prescribes; provided, however, that this does not apply if a bicycle has taillights turned on pursuant to the first sentence of Article 52, paragraph (1). Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-63-9/par-2: 第五十二条第一項 → 道路交通法 第五十二条第一項 (Article 52, paragraph (1)), art-52/par-1 — https://japanlaw.org/ja/road-traffic-act/art-52/par-1 · https://japanlaw.org/l/335AC0000000105/art-52/par-1 ## Cited by 3 provisions cite this one. No official source publishes this direction. - 道路交通法 第五十二条第一項（車両等の灯火） — https://japanlaw.org/ja/road-traffic-act/art-52/par-1 · https://japanlaw.org/l/335AC0000000105/art-52/par-1 - 道路交通法 第六十三条の十第一項（自転車の検査等） — https://japanlaw.org/ja/road-traffic-act/art-63-10/par-1 · https://japanlaw.org/l/335AC0000000105/art-63-10/par-1 - 道路交通法 第百二十条第一項第七号 — https://japanlaw.org/ja/road-traffic-act/art-120/par-1/item-7 · https://japanlaw.org/l/335AC0000000105/art-120/par-1/item-7 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 道路交通法 — the text in force from 2026-07-21 (https://laws.e-gov.go.jp/law/335AC0000000105/20260721_508AC0000000052), retrieved 2026-10-13 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Road Traffic Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/2962/tb), retrieved 2026-10-13 - This site's parser, version 190 — 道路交通法 — structure, counts, cross-references and defined terms, computed 2026-10-13