Plain-Language Summary

Pennsylvania law requires vehicles to use hand signals or signal lamps to indicate turns and stops, with specific rules for when signal lamps are mandatory based on vehicle size. Hand signals must be given from the left side of the vehicle, with clear gestures for left turns, right turns, and stopping. Certain antique vehicles are exempt from using signal lamps.

Frequently Asked Questions

Signal lamps are required when the vehicle's width exceeds 24 inches or the length exceeds 14 feet, or if the vehicle is a combination of vehicles, to ensure visibility during signaling.

Extend your left arm horizontally from the vehicle to indicate a left turn.

Yes, motorcycles can use hand signals, such as extending the right hand and arm horizontally for a right turn, in addition to standard signals.

Yes, vehicles registered as antique or classic that were not originally equipped with signal lamps are exempt from this requirement.