1. Follow signs to the airport as you approach Dulles International Airport.
2. Enter the airport property and follow the signs for "Parking".
3. You will come to a toll plaza. Take a ticket and proceed through the plaza.
4. Follow the signs to the parking lot of your choice.
5. Park your car in a space and keep your ticket with you.
6. When you're ready to leave, insert your ticket into the payment machine and pay the parking fee.
7. Take the ticket and proceed to the exit plaza.
8. Insert the ticket into the card reader and the gate will lift.
9. Exit the parking lot.
Note: For long term parking, it's generally more economical to use an off airport parking lot that provides shuttle services to/from the airport. Parking fees may apply. It is important to check the website of the Dulles airport for the most up-to-date information on parking fees and procedures.