When attempting to pass another vehicle, the driver of a vehicle must keep to the right side of the vehicle that the driver is attempting to pass (hereinafter referred to in this Section as the "leading vehicle").
車両は、他の車両を追い越そうとするときは、その追い越されようとする車両（以下この節において「前車」という。）の右側を通行しなければならない。
Notwithstanding the preceding paragraph, when attempting to pass a leading vehicle that is traveling close to the center or the right edge of a road pursuant to Article 25, paragraph (2) or Article 34, paragraph (2) or (4), the driver of a vehicle must keep to the left side of the leading vehicle.
In the cases referred to in the preceding three paragraphs, the driver of a vehicle that is attempting to pass another vehicle (referred to in the following Article as the "trailing vehicle") must pay due attention to the traffic coming from the opposite direction and from behind it and the traffic ahead of the leading vehicle or streetcar, and must proceed at the safest possible speed and in the safest possible manner, in keeping with the speed and course of the leading vehicle or streetcar and the road conditions.
Read this with the articles around it
(How to Exit the Road)
To make a right turn and exit the road, a driver must bring a vehicle (other than a specified small motorized bicycle or light road vehicle, or a trolleybus) as close as possible to the center of the…
車両（特定小型原動機付自転車等及びトロリーバスを除く。）は、道路外に出るため右折するときは、あらかじめその前からできる限り道路の中央（当該道路が一方通行となつているときは、当該道路の右側端）に寄り、かつ、徐行しなければならない。
Open this provision(How to Pass)
When attempting to pass another vehicle, the driver of a vehicle must keep to the right side of the vehicle that the driver is attempting to pass…
車両は、他の車両を追い越そうとするときは、その追い越されようとする車両（以下この節において「前車」という。）の右側を通行しなければならない。
Open this provision(How to Pass)
Notwithstanding the preceding paragraph, when attempting to pass a leading vehicle that is traveling close to the center or the right edge of a road pursuant to Article 25…
車両は、他の車両を追い越そうとする場合において、前車が第二十五条第二項又は第三十四条第二項若しくは第四項の規定により道路の中央又は右側端に寄つて通行しているときは、前項の規定にかかわらず、その左側を通行しなければならない。
Open this provision(How to Pass)
When attempting to pass a streetcar, the driver of a vehicle must keep to the left side of the streetcar; provided, however, that this does not apply if the track runs along the left edge of the road.
車両は、路面電車を追い越そうとするときは、当該車両が追いついた路面電車の左側を通行しなければならない。ただし、軌道が道路の左側端に寄つて設けられているときは、この限りでない。
Open this provision(When Passing Is Prohibited)
A trailing vehicle must not start to pass a leading vehicle when the leading vehicle is attempting to pass another motor vehicle or trolleybus.
後車は、前車が他の自動車又はトロリーバスを追い越そうとしているときは、追越しを始めてはならない。
Open this provision(Turning Left and Right)
To make a right turn, the driver of a motor vehicle, general motorized bicycle, or trolleybus must bring it as close as possible to the center of the road beforehand…
自動車、一般原動機付自転車又はトロリーバスは、右折するときは、あらかじめその前からできる限り道路の中央に寄り、かつ、交差点の中心の直近の内側（道路標識等により通行すべき部分が指定されているときは、その指定された部分）を徐行しなければならない。
Open this provision(Turning Left and Right)
Notwithstanding paragraph (2), to make a right turn on a one-way street, the driver of a motor vehicle, general motorized bicycle, or trolleybus must bring it as close as possible to the right edge…
自動車、一般原動機付自転車又はトロリーバスは、一方通行となつている道路において右折するときは、第二項の規定にかかわらず、あらかじめその前からできる限り道路の右側端に寄り、かつ、交差点の中心の内側（道路標識等により通行すべき部分が指定されているときは、その指定された部分）を徐行しなければならない。
Open this provisionroad
「道路」
A road as defined in the Road Act, a motor vehicle road (自動車道) as defined in the Road Transportation Act, and any other place used for general traffic.
Defined inArticle 2, paragraph (1), item (i)· applies throughout the law
vehicle
「車両」
Motor vehicles (自動車), motorized bicycles (原動機付自転車), light road vehicles (軽車両) and trolleybuses (トロリーバス).
Defined inArticle 2, paragraph (1), item (viii)· applies throughout the law
streetcar
「路面電車」
A vehicle that runs on rails.
Defined inArticle 2, paragraph (1), item (xiii)· applies throughout the law
passing
「追越し」
Overtaking: a vehicle that has caught up with another vehicle or streetcar changing course to pass beside it and come out in front of it.
Defined inArticle 2, paragraph (1), item (xxi)· applies throughout the law
leading vehicle
「前車」
In Section 4 of Chapter III, on passing, the vehicle that another vehicle is about to pass.
Short name set inArticle 28, paragraph (1)· applies only in this section
trailing vehicle
「後車」
In Articles 28 and 29, the vehicle that is about to pass another vehicle.
Short name set inArticle 28, paragraph (4)· applies only in this provision and in Article 29