Question: What formerly known as Concord Trailways ,runs a bus and train station in Portland, Maine that is open from 4:30 AM to 12:15 AM and from 2:45 AM to 3:15 AM?
Sentence (from "Portland Transportation Center"): Portland Transportation Center is a bus and train station in Portland, Maine, served and run primarily by Concord Coach Lines (18 round-trips a day) and Amtrak "Downeaster" passenger trains (five round-trips a day).
Relevant evidence: No