Turn signals must be visible for:

Turn signals must be visible for 300 feet to ensure that other drivers are adequately alerted of your intended direction change. This visibility distance is crucial for safety on the roads, as it gives sufficient warning to other motorists and pedestrians, allowing them to react appropriately. By making turn signals visible from 300 feet away, it enhances communication between drivers, reducing the likelihood of accidents that could occur from abrupt lane changes or turns without proper signaling. The requirement for this distance is standard in many jurisdictions, reflecting a commitment to promote safe driving practices and awareness on the road.