How do I pay for parking?

Parking is paid at exit gates.

Upon entering the parking lot you will either press a button to take a paper ticket at the entrance gate, or swipe a credit card at the entrance gate. You will use the same method to pay for parking upon leaving the parking lot on the day you return home from your trip. If you took a paper ticket you will scan the paper ticket at the exit gate and then pay with a card to exit. If you swiped a credit card then you will swipe the same credit card you used when you entered to pay for the parking fee to exit. 

Parking can also be paid at the kiosks inside the Portsmouth and Seabrook terminals.