The position of drivers on public roads is governed by precise rules designed to ensure the safety and smooth flow of traffic. Depending on the type of vehicle and the configuration of the roadway, drivers must adopt an adapted position, respecting lanes, channeling devices and specific signage.
The place of drivers on public roads
Motor vehicle drivers
When there are two or three separate carriageways on a public road, drivers may not use the left-hand carriageway in relation to their direction of travel, unless local regulations stipulate otherwise. Always drive as far to the right as possible. All drivers on the carriageway must keep as close as possible to the right-hand edge, except in traffic circles or squares, or when conforming to directional gantries or selection arrows. In built-up areas, drivers can choose their lane on one-way roads divided into traffic lanes, or on two-way roads with 4 or more lanes. When density demands, drivers can choose their lane on a divided carriageway or on a carriageway with suspended traffic lights. Drivers must leave channeling devices and shelters to their left, unless necessary or required by local regulations. He may be obliged to pass on one side only with the D1 compulsory signal.

All drivers on the carriageway must keep as close as possible to the right-hand edge of the carriageway, except under specific conditions.
The driver must not drive on the left except in traffic circles or on the spot, or when following directional gantries or selection arrows.

Respect for directional portals and selection arrows
The driver may not drive as far to the right as possible when complying with directional gantries or selection arrows in order to follow a direction.

Drivers in built-up areas can choose their lane according to the type of roadway and density.
On one-way roadways divided into traffic lanes, and on two-way roadways with at least 4 lanes (2×2), drivers can choose their lane. Density justifies the choice of lane on a two-way roadway divided into 4 or more lanes, or on a one-way roadway, or on a roadway with suspended traffic lights.

By respecting the rules governing their position on the public highway, drivers contribute to a harmonious and safe flow of traffic for all users. Mastering these principles is essential to obtaining and keeping a driver’s license, while guaranteeing safety on the road.

