The Pittsburgh International Airport People Mover began service upon the opening of the new Midfield Terminal on October 1, 1992, using Westinghouse C-100 vehicles (now known as Alstom Innovia APM 100).

To handle increasing passenger traffic, a $9.5 million improvement project was undertaken by Adtranz in 1999.

Components like underframes, floors, climate control, and lighting were updated during this project.

[2] The proposed remodeling project for the airport, unveiled in 2017, planned to take the trams out of service permanently because the proposed Landside Terminal was slated to be connected to the existing Airside Terminal.

Construction began in 2021 and is slated to be finished in 2025, which could result in the tram being decommissioned and removed around this time.