# 道路運送車両法 / Road Transport Vehicle Act — 第四十五条 (Article 45)
- 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: 第四十五条 (Article 45)（軽車両の構造及び装置） — address `art-45`
- Text in force since: 2026-04-01
- URL (the page that opens at this provision): https://japanlaw.org/ja/road-transport-vehicle-act/art-45
- Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/326AC0000000185/art-45
- 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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### 第四十五条（軽車両の構造及び装置） — Structure and Equipment of Light Road Vehicles
caption: machine translation, not official
art-45 · https://japanlaw.org/ja/road-transport-vehicle-act/art-45 · https://japanlaw.org/l/326AC0000000185/art-45
**第一項** 軽車両は、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-45/par-1 · https://japanlaw.org/ja/road-transport-vehicle-act/art-45/par-1 · https://japanlaw.org/l/326AC0000000185/art-45/par-1
A light road vehicle must not be used for operation unless it conforms, with respect to the following matters, to the technical standards for safety 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-45/par-1/item-1 · https://japanlaw.org/ja/road-transport-vehicle-act/art-45/par-1/item-1 · https://japanlaw.org/l/326AC0000000185/art-45/par-1/item-1
length, width and height;
machine translation, not official
**二** 接地部及び接地圧
art-45/par-1/item-2 · https://japanlaw.org/ja/road-transport-vehicle-act/art-45/par-1/item-2 · https://japanlaw.org/l/326AC0000000185/art-45/par-1/item-2
ground contact area and ground contact pressure;
machine translation, not official
**三** 制動装置
art-45/par-1/item-3 · https://japanlaw.org/ja/road-transport-vehicle-act/art-45/par-1/item-3 · https://japanlaw.org/l/326AC0000000185/art-45/par-1/item-3
braking equipment;
machine translation, not official
**四** 車体
art-45/par-1/item-4 · https://japanlaw.org/ja/road-transport-vehicle-act/art-45/par-1/item-4 · https://japanlaw.org/l/326AC0000000185/art-45/par-1/item-4
vehicle body;
machine translation, not official
**五** 警音器
art-45/par-1/item-5 · https://japanlaw.org/ja/road-transport-vehicle-act/art-45/par-1/item-5 · https://japanlaw.org/l/326AC0000000185/art-45/par-1/item-5
horn.
machine translation, not official
## Cited by
1 provision cites this one. No official source publishes this direction.
- 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