in a friendly manner. The truck driver is not trying to rush his colleague; he is simply helping him to better estimate the length of his vehicle.
Motorists can also
Anyone paying close attention may see something else happen after the light signal. Truck drivers
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regularly thank each other for this help. For example, a driver who has moved back to the right might briefly use their hazard lights. Sometimes, the left and right turn signals are also used for just a moment. By doing
