AIRPORTS

SERVICES

* 45 food, drink and snack spots

* 37 retail shops, including newsstands

* 4 currency exchange stations, 1 bank branch and 12 ATMs

* 2 shoeshine stands

* Wireless Internet available throughout the airport (free for subscribers of some major Internet carriers or $9-per-day fee; call 866-849-2850)

* 7 public computer terminals with Internet access, in wall-mounted telephone enclosures in concourses B, C and D

BALTIMORE-WASHINGTON INTERNATIONAL

Linthicum, Md.

800-435-9294, http://www.bwiairport.com

DISTANCE FROM . . .

* Union Station: 32 miles

* 16th and K streets NW: 33.5 miles

* Chevy Chase Circle: 36 miles

ADDITIONAL PHONE NUMBERS

* Paging: 800-435-9294

* Airport police: 410-859-7040

* Lost and found: 410-689-3620 for items left at security checkpoints, 410-859-7387 if left elsewhere in the airport.

PARKING

* Hourly: Garage next to the main terminal. First 30 minutes free, then $2 for each half-hour, with a daily maximum of $20. You must exit within 30 minutes of paying.

* Daily: Garage at Aviation Boulevard (Route 170) and Elm Road, just beyond the terminal. $2 an hour, with a

daily maximum of $10. Shuttle buses to the terminal run every five to eight minutes, 24 hours a day.

* Express parking: This lot is at Aviation Boulevard and Elm Road, directly across from the Daily Garage. $3 an hour, up to $14 a day. Express Parking offers luggage assistance and immediate shuttle service that picks up passengers at their parking spaces. On return to BWI, the shuttle delivers passengers directly to their cars.

* Long-term: On Aviation Boulevard north of the airport. $1 an hour, with a daily maximum of $8. Shuttle buses to the terminal run every 10 to 15 minutes, 24 hours a day.

* Cellphone lot: Drivers awaiting passengers can wait in this free lot at Aviation Boulevard and Elm Road, across from the Daily Garage.

* More info:800-468-6294, or listen to radio station 1040 AM. Pay & Go machines are on the skywalk connected to the hourly garage; you must exit within 30 minutes of paying. Check BWI's Web site for frequent parking discounts.

GETTING THERE

* By train: Amtrak and MARC trains travel from Union Station and New Carrollton to the BWI Rail Station, where a free shuttle bus connects you to the airport.

{scheck} Amtrak: From Union Station, trains run from 4 a.m. weekdays and 5:25 a.m. on weekends until 10 p.m. daily. Departures from New Carrollton are about 10 minutes later. Return service from BWI starts at 6:23 a.m. and ends at 11:48 p.m. weekdays and 11:51 p.m. weekends. The trip is 30 minutes to or from Union Station and 15 minutes to or from New Carrollton. From $12 each way. Info: 800-872-7245, http://www.amtrak.com.

{scheck} MARC: MARC trains depart Monday through Friday nearly hourly; no weekend service and limited holiday service. Service from Union Station is from 5:54 a.m. to 10:45 p.m.; from New Carrollton, 6:05 a.m. to 10:56 p.m.; from BWI, 4:40 a.m. to 9:30 p.m. The trip takes 35 to 40 minutes. Cost is $6 each way to or from Union Station and $5 each way to or from New Carrollton. Info: 800-325-7245, http://www.mtamaryland.com.

* By Metro/bus: The BWI Express bus (No. B30) runs nonstop to and from the Greenbelt Metro station on the Green Line. Buses stop at two locations on the airport arrivals (lower) level. Buses depart Greenbelt about every 40 minutes from 6:10 a.m. weekdays and 8:45 a.m. weekends until 10 p.m. daily. Return service from BWI is from 6:58 a.m. weekdays and 9:38 a.m. weekends until 10:48 p.m. daily. Cost is $3 each way or $2.10 with a rail-to-bus transfer. Info: 202-637-7000, http://www.mata.com.

* By taxi: Fares are about $65 from downtown Washington and $74 from Bethesda, $74 from Reagan National and $108 from Dulles.

SERVICES

* 43 food, drink and snack spots

* 28 retail shops, including newsstands

* 3 currency exchange stations, 1 bank branch

* High-speed wireless Internet available throughout the airport for $7.95 per day or $21.95 per month.

-- Elissa Leibowitz Poma