Metropolitan Transportation Authority

The Los Angeles County Metropolitan Transportation Authority (or MTA), is an agency responsible for public transport in Los Angeles and the surrounding area. It operates or funds many different forms of public transport, including the Los Angeles Subway, the Metro bus service, and the Metrolink rail service.

Day 3
When attempting to locate Arthur Rabens, Chloe O'Brian established his position as traveling on the Subway towards the 7th Street Metro Center. In order to give Jack Bauer and Chase Edmunds time to set up surveillance at the station, Chloe contacted the MTA and ordered them to hold the train in the tunnel. Once CTU had entered the station and covered both platforms, Chloe allowed the MTA to release the train.