Final answer:
In many US states, drivers are required by law to signal at least 100 feet before making a left or right turn. This distance is used to provide ample warning to other drivers and pedestrians of your intended maneuver.
Step-by-step explanation:
In many US states, drivers are required by law to signal at least 100 feet before making a left or right turn. This distance is used to provide ample warning to other drivers and pedestrians of your intended maneuver. To give you an idea of how far this is, it is equivalent to the length of about 2 car lengths.