DC Metrorail:    www.wmata.com

Montgomery County Transportation: www.montgomerycountymd.gov

Maryland MVA: 800-638-8347 www.marylandmva.com

DC MVA: 202-727-5000 http://dmv.dc.gov/main.shtm

VA MVA: 800-435-5137 www.dmv.state.va.us/webdoc/applying.asp

Cheapest gas by zipcode: http://gasprices.mapquest.com/index.jsp

Airports:

Dulles International Airport (IAD): 13 miles west of I-495, http://www.metwashaiports.com/dulles/

Ronald Reagan Washington National Airport (DCA): Near Potomac River and short drive from DC, http://www.metwashairports.com/national/

Baltimore/Wahington International Airport (BWI): 32 miles from DC, www.bwiairport.com

Shuttles:

Royal Airport Shuttle 301-657-0888, serves three airports; call for rates, reservations recommended

Super Shuttle 800-258-3826 www.supershuttle.com, serves three airports, reservations recommended 24 hours in advance.