When passing another vehicle, when should drivers return to the right lane?

Returning to the right lane as soon as possible without impeding the vehicle being passed is essential for maintaining smooth traffic flow and ensuring safety on the road. When a driver has moved into the left lane to pass another vehicle, their primary objective should be to complete the maneuver effectively while being considerate of other traffic.

Once the driver is able to see the whole front of the vehicle they are passing in their rear-view mirror, they should safely return to the right lane. This approach minimizes the time spent in the left lane, which is typically intended for passing, thereby reducing the risk of creating a traffic hazard for both the driver and those behind them.

The focus here is on safety and courteous driving behavior, as returning to the right lane too prematurely could interfere with the progress of the vehicle being overtaken, and waiting too long to return might disrupt following traffic. This principle not only adheres to driving regulations but also promotes a more efficient driving experience on shared roads.