If a driver is tailgating you, you should:

The best way to deal with a tailgater is to get them ahead of you. If you can do so safely, change lanes and let them pass. Speeding up may only increase the danger by encouraging them to keep tailgating you at a higher speed.

• Speed up.
• Allow them to pass.
• Prevent them from passing.
• Move to one side of your lane to allow them to share the lane.