How do vehicles on both left and right lanes change to the same lane? When the vehicles in the left and right lanes change to the same lane, the vehicles in the left lane give way to the vehicles in the right lane. Vehicle lane change shall not affect the normal traffic of other vehicles and pedestrians, and shall comply with the following provisions: (1) Let vehicles or pedestrians running in the borrowed lane go ahead; （2） Drive in sequence and do not change the motorway frequently; （3） It is not allowed to change more than two motorways at a time; （4） When the vehicles in the left and right lanes change to the same lane, the vehicles in the left lane give way to the vehicles in the right lane.
 According to the Road Traffic Safety Law of the People's Republic of China
 Article 35 Motor vehicles and non motor vehicles shall pass on the right side.
 Article 36 Where a road is divided into motor vehicle lanes, non motor vehicle lanes and sidewalks according to the road conditions and traffic needs, motor vehicles, non motor vehicles and pedestrians shall pass in separate lanes. Where there is no division of motor vehicle lanes, non motor vehicle lanes and sidewalks, motor vehicles shall pass in the middle of the road, and non motor vehicles and pedestrians shall pass on both sides of the road.
 Article 37 Where a road has a special lane, only specified vehicles are allowed to pass in the special lane, and other vehicles are not allowed to enter the special lane. The above contents are the answers sorted out by the lawyer about how the vehicles on the left and right lanes change to the same lane. I hope they can help you.