On a freeway, you realize you missed your turn or exit. You should:
Make the turn quickly from your lane of travel.
Stop and back up.
Continue driving until you reach the next turn, exit, or other location where you can safely turn around.
Signal other drivers to stop so you can turn.
If you miss your turn or exit, do not back up, but go on to the next turn or exit where you can safely turn around. It is illegal to back up on a shoulder or a freeway.