DC Parking garages turn to smartphone apps to attract night, weekend drivers

Owners of some of the District’s parking garages are turning to smartphone apps to attract the increasing number of motorists looking to park at night or on weekends, times when their facilities once sat vacant in this town dominated by weekday commuters.
D.C.-based Colonial Parking, which operates 250 parking facilities around the city, is the latest to do so. The firm plans to use an app called ParkMe, which shows drivers which garages have vacant spots and how much they cost per hour.
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