Pay-on-Foot Parking: How Pay Stations Speed Exits

Pay-on-foot is a parking payment method in which drivers pay at a station inside the facility, usually on the walk back to their vehicle, so the exit lane only has to read a paid ticket, credential or license plate.

At a glance

Also called: Central pay, pay station, pay before you exit
Used where: Hospitals, retail, downtown and airport garages with sharp exit peaks
Key fact: It takes the transaction out of the exit lane, the slowest place to do it

Paying on the way back to the car turns the exit into a quick read of a paid ticket, credential or plate. Schematic.

In a pay-on-foot facility, a driver takes a ticket or presents a credential at entry, parks, and pays at a machine near the elevators or pedestrian exits before walking back to the car. The exit device then checks that the visit is paid and opens. With license plate recognition, the plate itself can stand in for the ticket.

Try it

Empty the garage after the game

Three hundred drivers head for the exits within 15 minutes of the final whistle. Choose how they pay and how many exit lanes you open, then watch the line.

With two exit lanes, 300 cars that each stop about 25 seconds to pay at the gate take roughly an hour to clear, and the longest wait is close to 50 minutes. Prepaid tickets (about 10 seconds a car) clear the garage in under half an hour. Gateless exits, where cameras read plates as cars roll through a few seconds apart, keep up with demand, but a few percent of visits leave unpaid and have to be collected by notice.

Illustrative: 300 departures peaking 2.5 minutes after the event ends; about 25 seconds per car to pay at the exit, 10 seconds with a prepaid ticket, 3 seconds per car through a gateless lane; 4% unpaid rate for gateless. Real figures depend on equipment, payment mix and enforcement.

Trade-offs

Faster exits. The lane reads and opens instead of waiting for a card to process.
Machine placement matters. Stations belong on the natural walking route, where drivers pass them without backtracking.
Exceptions still happen. Lost tickets, unpaid visits and declined cards need a fallback at the exit, usually an intercom or a pay-in-lane unit.
Staff roles change. At Santa Monica’s Parking Structure 6, pay-on-foot let staff work as ambassadors rather than cashiers.

The Parkonomics view

Pay-on-foot is a circulation decision as much as a payment one: it works only if the stations sit where people already walk. Decide it with the pedestrian routes and elevator lobbies, not after them, and plan the exit equipment for the exceptions as well as the paid majority.

Further reading: Designed to Park, or Designed to Impress?