Springfield Approves Installation of License Plate Reader Cameras. SPRINGFIELD, TENNESSEE: Smokey Barn News) – During the October Board of Mayor and Alderman meeting, the City of Springfield approved a contract with Flock Safety Inc., an Atlanta-based company, to install six license plate reader cameras (LPR) across the city. The decision followed a motion by Alderman Trotter, seconded by Alderman Gregg, and was supported unanimously in a 7-0 vote.