This section of Pennsylvania law outlines the rules for flashing signals at traffic lights, including red and yellow flashing signals, and lane-direction signals. It specifies that red flashing signals require vehicles to stop, while yellow flashing signals mean proceed with caution. The law also clarifies rules for lane control signals and references amendments and related sections.
You must stop your vehicle completely, as if at a stop sign, and proceed only when it is safe and the signal allows.
Yes, but you must do so with caution, as the signal indicates you should proceed carefully.
No, flashing signals at railroad crossings are governed by separate rules outlined in section 3341.
Green signals over lanes mean you can travel in those lanes, while red signals mean you must not enter or stay in those lanes.