PDX Parking is a free Android application developed by GMV SYNCROMATICS under the Travel & Navigation category. The app provides real-time arrival information for the shuttle buses that serve the Red and Blue Economy Lot bus shelters at the Portland International Airport.

With PDX Parking, users can easily track the shuttle buses' movements and know the estimated time of arrival of the next bus. The app provides a user-friendly interface that is easy to navigate and understand. It is a useful tool for travelers who want to plan their airport commute and avoid any unnecessary waiting time.

Overall, PDX Parking is a reliable and efficient app for travelers who regularly use the Economy Lot shuttle bus service at Portland International Airport. With its real-time information, users can save time and have a hassle-free airport experience.