Final answer:
If you miss your exit on an interstate, the correct action is to use the next exit and return to the one you missed; stopping, making U-turns, asking for drivers' help, or backing up is unsafe and illegal.
Step-by-step explanation:
If you miss your exit on an interstate expressway, the proper course of action is to get off at the next exit and come back to the exit you missed. This option is the safest and most legal way to rectify the mistake. It is important to remember that on a high-speed highway, stopping abruptly, making a U-turn, asking other drivers for help while driving, or backing up can be extremely dangerous and are not advisable actions.
For your safety, always follow traffic laws and highway rules to prevent any potential accidents. In instances where you've missed an exit, always opt for the next exit to avoid hazardous maneuvers on the road.