The PHX Sky Train runs on its 1.7-mile stretch between the Metro light-rail station and Terminal 4 at Sky Harbor International Airport. The automated train will eventually expand to Terminal 3.
The PHX Sky Train will operate 24 hours daily, 365 days a year. It's projected to cost $1.5 billion once it expands to Terminal 3.
PHOENIX - The public got its first opportunity Monday to travel on an automated inter-terminal train at Phoenix Sky Harbor International Airport.