Need To Find Parking At East Tennessee State University? Well, There’s An App For That. On ETSU’s Blackboard Mobile Smartphone App, The Parker App From Streetline Inc. Directs Drivers On The Johnson City Campus To Vacant Parking Spaces In Nine Of The College’s Lots. The Technology Is Made Possible Through Occupancy Data Collected By Case Parking, Which Boasts 99.9 Percent Accurate, Real-Time Counts Of More Than 27-Hundred Spaces On The Main Campus. The App Is Available In Both Apple And Android Devices.