https://thepointsguy.com/news/ohare-people-movers-full-service/
O'Hare's upgraded people-mover system now fully operational - The Points Guy
Apr 25, 2022 - Chicago O'Hare International Airport (ORD) recently celebrated the completion of work on its Airport Transit System (ATS) after years of delays. The airport is...
people mover system
https://www.nist.gov/publications/fire-safety-guidelines-vehicles-downtown-people-mover-system-final-report
Fire Safety Guidelines for Vehicles in a Downtown People Mover System. Final Report. | NIST
Feb 19, 2017 - The results of a study to formulate fire safety guidelines to be required for vehicles used in Downtown People Mover (DPM) systems for the movement of people in
fire safety guidelines