Decoding Highway Communication: What It Means When a Truck Flashes Its Lights After You Overtake

cab. If you remain beside a truck for too long, its driver may not be able to see your vehicle.

When overtaking, pass at a steady, legal speed and avoid lingering beside the truck. Before returning to your lane, make sure there is enough distance between your vehicle and the truck. A useful visual check is to wait until you can see the truck’s cab in your rearview mirror, while also checking your side mirror and the traffic ahead. Do not rely on a headlight flash alone.

A simple rule