# 道路運送車両法 / Road Transport Vehicle Act — 第四十一条 (Article 41)

- 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: 第四十一条 (Article 41)（自動車の装置） — address `art-41`
- Text in force since: 2026-04-01
- URL (the page that opens at this provision): https://japanlaw.org/ja/road-transport-vehicle-act/art-41
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/326AC0000000185/art-41
- 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.

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### 第四十一条（自動車の装置） — Equipment of Motor Vehicles
<sup>caption: machine translation, not official</sup>
<sup>art-41 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41 · https://japanlaw.org/l/326AC0000000185/art-41</sup>

**第一項**  自動車は、次に掲げる装置について、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。
<sup>art-41/par-1 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1 · https://japanlaw.org/l/326AC0000000185/art-41/par-1</sup>
A motor vehicle must not be used for operation unless its following equipment conforms 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:
<sup>machine translation, not official</sup>

  **一**  原動機及び動力伝達装置
  <sup>art-41/par-1/item-1 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-1 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-1</sup>
  motor and power transmission equipment;
  <sup>machine translation, not official</sup>

  **二**  車輪及び車軸、そりその他の走行装置
  <sup>art-41/par-1/item-2 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-2 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-2</sup>
  wheels and axles, runners and other running gear;
  <sup>machine translation, not official</sup>

  **三**  操縦装置
  <sup>art-41/par-1/item-3 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-3 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-3</sup>
  steering equipment;
  <sup>machine translation, not official</sup>

  **四**  制動装置
  <sup>art-41/par-1/item-4 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-4 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-4</sup>
  braking equipment;
  <sup>machine translation, not official</sup>

  **五**  ばねその他の緩衝装置
  <sup>art-41/par-1/item-5 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-5 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-5</sup>
  springs and other shock-absorbing equipment;
  <sup>machine translation, not official</sup>

  **六**  燃料装置及び電気装置
  <sup>art-41/par-1/item-6 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-6 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-6</sup>
  fuel equipment and electrical equipment;
  <sup>machine translation, not official</sup>

  **七**  車枠及び車体
  <sup>art-41/par-1/item-7 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-7 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-7</sup>
  frame and vehicle body;
  <sup>machine translation, not official</sup>

  **八**  連結装置
  <sup>art-41/par-1/item-8 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-8 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-8</sup>
  coupling equipment;
  <sup>machine translation, not official</sup>

  **九**  乗車装置及び物品積載装置
  <sup>art-41/par-1/item-9 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-9 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-9</sup>
  passenger equipment and cargo-loading equipment;
  <sup>machine translation, not official</sup>

  **十**  前面ガラスその他の窓ガラス
  <sup>art-41/par-1/item-10 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-10 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-10</sup>
  windshield and other window glass;
  <sup>machine translation, not official</sup>

  **十一**  消音器その他の騒音防止装置
  <sup>art-41/par-1/item-11 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-11 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-11</sup>
  muffler and other noise prevention equipment;
  <sup>machine translation, not official</sup>

  **十二**  ばい煙、悪臭のあるガス、有毒なガス等の発散防止装置
  <sup>art-41/par-1/item-12 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-12 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-12</sup>
  devices for preventing the emission of smoke, foul-smelling gases, toxic gases, etc.;
  <sup>machine translation, not official</sup>

  **十三**  前照灯、番号灯、尾灯、制動灯、車幅灯その他の灯火装置及び反射器
  <sup>art-41/par-1/item-13 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-13 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-13</sup>
  headlamps, number lamps, tail lamps, brake lamps, side lamps and other lighting equipment, and reflectors;
  <sup>machine translation, not official</sup>

  **十四**  警音器その他の警報装置
  <sup>art-41/par-1/item-14 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-14 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-14</sup>
  horn and other warning equipment;
  <sup>machine translation, not official</sup>

  **十五**  方向指示器その他の指示装置
  <sup>art-41/par-1/item-15 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-15 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-15</sup>
  direction indicators and other indicating equipment;
  <sup>machine translation, not official</sup>

  **十六**  後写鏡、窓拭き器その他の視野を確保する装置
  <sup>art-41/par-1/item-16 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-16 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-16</sup>
  rear-view mirror, windshield wipers and other equipment for securing a field of view;
  <sup>machine translation, not official</sup>

  **十七**  速度計、走行距離計その他の計器
  <sup>art-41/par-1/item-17 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-17 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-17</sup>
  speedometer, odometer and other instruments;
  <sup>machine translation, not official</sup>

  **十八**  消火器その他の防火装置
  <sup>art-41/par-1/item-18 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-18 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-18</sup>
  fire extinguisher and other fire prevention equipment;
  <sup>machine translation, not official</sup>

  **十九**  内圧容器及びその附属装置
  <sup>art-41/par-1/item-19 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-19 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-19</sup>
  internal pressure vessels and their accessory equipment;
  <sup>machine translation, not official</sup>

  **二十**  自動運行装置
  <sup>art-41/par-1/item-20 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-20 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-20</sup>
  automated operation device;
  <sup>machine translation, not official</sup>

  **二十一**  その他政令で定める特に必要な自動車の装置
  <sup>art-41/par-1/item-21 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-21 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-21</sup>
  other motor vehicle equipment that is particularly necessary and specified by Cabinet Order.
  <sup>machine translation, not official</sup>

**第二項**  前項第二十号の「自動運行装置」とは、プログラム（電子計算機（入出力装置を含む。この項及び第九十九条の三第一項第一号を除き、以下同じ。）に対する指令であつて、一の結果を得ることができるように組み合わされたものをいう。以下同じ。）により自動的に自動車を運行させるために必要な、自動車の運行時の状態及び周囲の状況を検知するためのセンサー並びに当該センサーから送信された情報を処理するための電子計算機及びプログラムを主たる構成要素とする装置であつて、当該装置ごとに国土交通大臣が付する条件で使用される場合において、自動車を運行する者の操縦に係る認知、予測、判断及び操作に係る能力の全部を代替する機能を有し、かつ、当該機能の作動状態の確認に必要な情報を記録するための装置を備えるものをいう。
<sup>art-41/par-2 · https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-2 · https://japanlaw.org/l/326AC0000000185/art-41/par-2</sup>
The "automated operation device" referred to in item (xx) of the preceding paragraph means a device whose principal components are sensors for detecting the state of a motor vehicle during operation and its surrounding conditions, and a computer and program for processing the information transmitted from those sensors, which are necessary to cause a motor vehicle to operate automatically by means of a program (meaning commands to a computer (including input/output devices; except in this paragraph and Article 99-3, paragraph (1), item (i), the same applies hereinafter) that are combined so as to obtain a single result; the same applies hereinafter), and which, when used under conditions attached by the Minister of Land, Infrastructure, Transport and Tourism for each such device, has a function that substitutes for all of the capabilities relating to perception, prediction, judgment and control involved in driving by the person who operates the motor vehicle, and is also equipped with a device for recording the information necessary for confirming the operating state of that function.
<sup>machine translation, not official</sup>

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## Cites
- art-41/par-2: 前項第二十号 → 道路運送車両法 第四十一条第一項第二十号 (Article 41, paragraph (1), item (xx)), art-41/par-1/item-20 — https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-1/item-20 · https://japanlaw.org/l/326AC0000000185/art-41/par-1/item-20
- art-41/par-2: この項 → 道路運送車両法 第四十一条第二項 (Article 41, paragraph (2)), art-41/par-2 — https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-2 · https://japanlaw.org/l/326AC0000000185/art-41/par-2
- art-41/par-2: 第九十九条の三第一項第一号 → 道路運送車両法 第九十九条の三第一項第一号 (Article 99-3, paragraph (1), item (i)), art-99-3/par-1/item-1 — https://japanlaw.org/ja/road-transport-vehicle-act/art-99-3/par-1/item-1 · https://japanlaw.org/l/326AC0000000185/art-99-3/par-1/item-1

## Cited by

21 provisions cite this one. No official source publishes this direction.

- 租税特別措置法 第九十条の十二第一項第二号イ（自動車重量税の免税等） — https://japanlaw.org/ja/special-taxation-measures-act/art-90-12/par-1/item-2/sub-1 · https://japanlaw.org/l/332AC0000000026/art-90-12/par-1/item-2/sub-1
- 租税特別措置法 第九十条の十二第一項第二号ロ（自動車重量税の免税等） — https://japanlaw.org/ja/special-taxation-measures-act/art-90-12/par-1/item-2/sub-2 · https://japanlaw.org/l/332AC0000000026/art-90-12/par-1/item-2/sub-2
- 租税特別措置法 第九十条の十二第一項第四号イ（１）（自動車重量税の免税等） — https://japanlaw.org/ja/special-taxation-measures-act/art-90-12/par-1/item-4/sub-1/sub2-1 · https://japanlaw.org/l/332AC0000000026/art-90-12/par-1/item-4/sub-1/sub2-1
- 租税特別措置法 第九十条の十二第一項第五号イ（自動車重量税の免税等） — https://japanlaw.org/ja/special-taxation-measures-act/art-90-12/par-1/item-5/sub-1 · https://japanlaw.org/l/332AC0000000026/art-90-12/par-1/item-5/sub-1
- 租税特別措置法 第九十条の十二第一項第六号イ（１）（自動車重量税の免税等） — https://japanlaw.org/ja/special-taxation-measures-act/art-90-12/par-1/item-6/sub-1/sub2-1 · https://japanlaw.org/l/332AC0000000026/art-90-12/par-1/item-6/sub-1/sub2-1
- 租税特別措置法 第九十条の十二第一項第六号ニ（１）（自動車重量税の免税等） — https://japanlaw.org/ja/special-taxation-measures-act/art-90-12/par-1/item-6/sub-4/sub2-1 · https://japanlaw.org/l/332AC0000000026/art-90-12/par-1/item-6/sub-4/sub2-1
- 租税特別措置法 第九十条の十四第一項（衝突被害軽減制動制御装置を装備した乗合自動車等に係る自動車重量税率の特例） — https://japanlaw.org/ja/special-taxation-measures-act/art-90-14/par-1 · https://japanlaw.org/l/332AC0000000026/art-90-14/par-1
- 道路交通法 第二条第一項第十三号の二（定義） — https://japanlaw.org/ja/road-traffic-act/art-2/par-1/item-13-2 · https://japanlaw.org/l/335AC0000000105/art-2/par-1/item-13-2
- 道路交通法 第二条第一項第十七号の二（定義） — https://japanlaw.org/ja/road-traffic-act/art-2/par-1/item-17-2 · https://japanlaw.org/l/335AC0000000105/art-2/par-1/item-17-2
- 道路交通法 第六十三条第一項（車両の検査等） — https://japanlaw.org/ja/road-traffic-act/art-63/par-1 · https://japanlaw.org/l/335AC0000000105/art-63/par-1
- 道路交通法 第六十三条の二の二第一項（作動状態記録装置による記録等） — https://japanlaw.org/ja/road-traffic-act/art-63-2-2/par-1 · https://japanlaw.org/l/335AC0000000105/art-63-2-2/par-1
- 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 第四十一条第二項（自動車の装置） — https://japanlaw.org/ja/road-transport-vehicle-act/art-41/par-2 · https://japanlaw.org/l/326AC0000000185/art-41/par-2
- 道路運送車両法 第四十三条第一項（自動車の保安上の技術基準についての制限の付加） — https://japanlaw.org/ja/road-transport-vehicle-act/art-43/par-1 · https://japanlaw.org/l/326AC0000000185/art-43/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
- 道路運送車両法 第四十九条第二項（点検整備記録簿） — https://japanlaw.org/ja/road-transport-vehicle-act/art-49/par-2 · https://japanlaw.org/l/326AC0000000185/art-49/par-2
- 道路運送車両法 第七十五条の二第一項（共通構造部の指定） — https://japanlaw.org/ja/road-transport-vehicle-act/art-75-2/par-1 · https://japanlaw.org/l/326AC0000000185/art-75-2/par-1
- 道路運送車両法 第七十五条の三第一項（装置の指定） — https://japanlaw.org/ja/road-transport-vehicle-act/art-75-3/par-1 · https://japanlaw.org/l/326AC0000000185/art-75-3/par-1
- 道路運送車両法 第九十九条第一項（保安基準の規定の準用） — https://japanlaw.org/ja/road-transport-vehicle-act/art-99/par-1 · https://japanlaw.org/l/326AC0000000185/art-99/par-1
- 道路運送車両法 第百十条第一項第一号 — https://japanlaw.org/ja/road-transport-vehicle-act/art-110/par-1/item-1 · https://japanlaw.org/l/326AC0000000185/art-110/par-1/item-1

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## 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-20261013T120733-009, translated 2026-10-13
- 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