Airports

There are three major airports around DC area

Baltimore Washington International Airport (BWI)
- Website: http://www.bwiairport.com/
- Transportation:
- Notes: BWI is an international airport. It locates in the middle of Baltimore and Washington DC.
- Transportation to DC: 从BWI到DC可以做Metro bus到Greenbelt Metro station，价格是3$，然后转地铁，具体时间表参看http://www.wmata.com/timetables/md/b30.pdf. 从机场出来，在ground level右转后一直前走，走到头的时候有B30的bus站。B30每次3刀，你要有exact change,车上不找零。B30一直开到Greenbelt Metro station下车。车站就是Greenbelt的地铁站。另外一种方法也可以坐Mark Train从BWI直接坐到Union Station.

Dulles International Airport (IAD)
- Website: http://www.metwashairports.com/Dulles/
- Tel:
- Transportation:
- Notes: IAD is an international airport. It locates in Virginia. It's in the west side of DC area.
- Transportation to DC: 乘airport shuttle到union station, 或到western falls church, 然后转地铁. 从机场出来，ground level乘washington flyer Coach, 价格9刀，一直开到 West Falls Church Station 地铁站，这个站在Virginia。车票可以在ground level的Washington flyer coach的服务台买，也可以在车门口买。在West Falls Church Station下来，BUS好像是停在地铁入口的另一面，你要走过地道后才能进地铁。

Reagan National Airport (DCA)
- Website: http://www.metwashairports.com/national/
- Tel:
- Notes: DCA is a national airport. There is a metro station at the airport.
- Transportation to DC: 在DCA去DC最方便，因为就在门口就是地铁，具体可以参看http://www.wmata.com/metrorail/systemmap.cfm