Driving in bus lanes is prohibited. The maximum legal concentration of blood alcohol is 0.5 grams per liter. A vehicle entering from the right has priority in cities and towns. Outside these areas, indicated by a yellow diamond sign, traffic on the more major road has priority. U-turns are not permitted, nor is crossing a solid white line.
French law requires that all vehicle occupants wear seat belts.
On motorcyles and scooters, helmets are required for driver and passenger. Drivers must carry driving permits, international insurance cards, and vehicle registration cards. For drivers of rental vehicles, the last two documents are provided by the rental company. The fines for not wearing seat belts, driving through a red light, driving while intoxicated, and driving without a license are extremely high, even including confiscation of the vehicle. In case of an automobile accident you must fill out a statement.