30. All Aboard, Hunt Valley Complex, University of Baltimore, Penn Station, Downtown Area, Convention Center, Camden Yards (Oriole Park and M-T Bank Stadium), Cromwell Station, and BWI Airport.
From Quiz Light Rail in the USA, Part 1
Answer:
Maryland Transit Administration (MTA Maryland)
Maryland Transit Administration (11th largest Public Transit Agency in the US - 2004 passenger trips) opened his Light Rail system in April of 1992 with 22.5 miles of track providing service from Timonium to Comwell Station/Glen Burnie. Construction of three extensions began in July of 1995 to expand the system 7.5 miles.
The 4.5 miles, 5 station Hunt Valley extension, which opened on September 9, 1997, extended the line north of Timonium to the Hunt Valley Business and Industrial Park providing access to some 340 companies (with a workforce of over 30,000). The Penn Station extension, although only one third of mile long, created a direct link with Amtrak and MARC's Commuter Rail Service. The 2.7 mile BWI extension, with two stations, serves the airport's business district and the airport's International Terminal. Both, the Penn Station and BWI extensions opened on December 6. 1997.
With the opening of the three extensions, this Light Rail system, now with approximately 30 miles of track and 32 stations, steadily increased the daily ridership from 20,000 to over 36, 000 over a five year period form 1998 to 2002.