The PHX Sky Train, which is free to ride, connects Sky Harbor's Terminal 3 and Terminal 4 with the Valley Metro light rail, economy parking lots and the Rental Car Center.

PHOENIX (AZFamily) — International travel is growing at “America’s Friendliest Airport,” which means infrastructure improvements are being planned for Phoenix Sky Harbor. One of those ...

Today it has an average daily ridership of about 38,000 passengers and a capacity of up to 79,000 daily passengers. Here's how to ride the PHX Sky Train at Phoenix Sky Harbor Airport.