What airport is closest to the venue, and what is the best way to reach the festival area?

BWI airport is the closest to downtown Baltimore and the venue.  You can take the MTA Light Rail directly from the airport to downtown Baltimore.  Go to the following link for more information: http://mta.maryland.gov/light-rail

Also, the Super Shuttle from the airport has rates between $12-15 one-way to downtown Baltimore.  For more rates and reservations go to: http://www.supershuttle.com/Locations/BWIAirportShuttleBaltimore.aspx