A station of the D.C. Metro system.

General Information
Lines: Blue, Yellow
Address: Patton Circle and Marshall Drive, Arlington, VA
Location: Pentagon Shopping Concourse
Parking: None.
Opened: July 1, 1977

Last Trains
Franconia-Springfield, weekdays: 12:21am
Franconia-Springfield, weekends: 2:21am
Addison Road-Seat Pleasant, weekdays: 11:52pm
Addison Road-Seat Pleasant, weekends: 1:52am
Huntington, weekdays: 12:05am
Huntington, weekends: 2:05am
Mount Vernon Square / 7th Street-Convention Center, weekdays: 11:49pm
Mount Vernon Square / 7th Street-Convention Center, weekends: 1:49am

Bus Lines
Metrobus: 7A, 7B, 7C, 7D, 7E, 7H, 7P, 7W, 7X, 8S, 8W, 8X, 8Z, 9A, 9E, 10A, 10E, 13A, 13B, 13F, 13G, 16A, 16B, 16C, 16D, 16E, 16F, 16G, 16J, 16L, 16S, 16U, 16W, 16X, 17A, 17B, 17F, 17M, 17G, 17H, 17K, 17L, 18E, 18F, 18G, 18H, 18J, 18P, 21A, 21B, 21C, 21D, 21F, 22A, 22B, 22C, 22F, 24M, 24P, 25A, 25F, 25G, 25J, 25P, 25R, 28F, 28G, 29C, 29E, 29G, 29H, 29X, P13
Fairfax Connector: 306, 383, 384, 385, 989
DASH: AT3, AT4

Details
Serves, perhaps too obviously, the U.S. Pentagon.

From here you can...
go back to the Metro project,
jump to the yellow or blue line,
go inbound to Arlington Cemetery or L'Enfant Plaza,
or outbound to Pentagon City.