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

and a headlight flash may have another meaning. Always check your mirrors and ensure you have enough room before moving back in front of a truck.

Truck drivers may also use their indicators or hazard lights to  communicate, for example, when making a turn or acknowledging another driver who has given them space. Practices differ, so signals should be interpreted with care.

Pass Trucks Safely

A truck’s blind spots—often called “No-Zones”—can extend along both sides of the vehicle, directly behind the trailer, and close to the front of the