I need to get from DCA to BWI Holiday Inn late on a Friday night. I arrive 9:45 pm. It appears, but I can't quite fully tell, that I can catch a metro to union station and then a marc train to BWI station.
Does the Marc Train go directly to the BWI airport? If not, how far away is it? If not, are there regulated taxi's for the station to the airport?
I'm assuming the best way to get to the hotel is via BWI hotel shuttle.
Any help in clarifying this would be appreciated.