function getCollection(){
var collection = [
'Addison Road',
'Anacostia',
'Archives',
'Arlington Cemetery Metro',
'Ballston',
'Benning Road', 
'Bethesda', 
'Braddock Road', 
'Branch Ave', 
'Brookland' ,
'Capitol Heights M', 
'Capitol South' ,
'Cheverly' ,
'Clarendon',
'Cleveland Park' ,
'College Park' ,
'Columbia Heights' ,
'Congress Heights' ,
'Court House Metro' ,
'Crystal City' ,
'Deanwood' ,
'Dunn Loring',
'Dupont Circle' ,
'East Falls Church' ,
'Eastern Market' ,
'Eisenhower Avenue' ,
'Farragut North' ,
'Farragut West' ,
'Federal Center SW' ,
'Federal Triangle' ,
'Foggy Bottom' ,
'Forest Glen' ,
'Fort Totten' ,
'Springfield' ,
'Friendship Heights' ,
'Gallery Place' ,
'Georgia Ave' ,
'Glenmont' ,
'Greenbelt' ,
'Grosvenor' ,
'Huntington' ,
'Judiciary Square', 
'King Street' ,
" L'Enfant Plaza",
'Landover' ,
'Largo Town Center' ,
'McPherson Square' ,
'Medical Center' ,
'Metro Center' ,
'Minnesota Ave' ,
'Morgan Boulevard' ,
'Mt Vernon Square' ,
'Navy Yard' ,
'Naylor Road', 
'New Carrollton' ,
'New York Ave M' ,
'Pentagon' ,
'Pentagon City' ,
'Potomac Ave' ,
"Prince George's Plaza" ,
'Rhode Island',
'Rockville',
'Reagan Airport' ,
'Rosslyn' ,
'Shady Grove' ,
'Shaw' ,
'Silver Spring' ,
'Smithsonian Metro' ,
'Southern Avenue Metro' ,
'Stadium-Armory Metro Station' ,
'Suitland' ,
'Takoma' ,
'Tenleytown' ,
'Twinbrook',
'U Street',
'Union Station',
'Van Dorn Street',
'Van Ness',
'Vienna',
'Virginia Square',
'Waterfront',
'West Falls Church',
'West Hyattsville',
'Wheaton',
'White Flint M',
'Woodley Park-Zoo'
 ];
return collection;
}