Every Northern Virginia resident knows the pain and anguish they experience in a gridlock while commuting between home and office.  The Sluglines assist drivers by reaching the two or three persons High-Occupancy Vehicle (HOV) requirement, and passengers in getting a free ride to their destination. Sluglines Mobile App Drivers had to drive to the slug line to check if riders are waiting. Sometimes they have to wait to get riders while there are riders waiting half a mile away. Now…