Portland Transportation Center is a bus and train station in Portland, Maine, United States, served and run primarily by Concord Coach Lines (18 round-trips a day) and Amtrak Downeaster passenger trains (five round-trips a day). It is also served by Megabus (via Concord Coach Lines), as well as the Greater Portland Metro Bus Route 1 BREEZ express bus service to Brunswick, Maine. The station is open from 4:30 AM to 12:15 AM and from 2:45 AM to 3:15 AM.