NASHVILLE — The Tennessee Department of Safety and Homeland Security on Tuesday partnered with the U.S. Department of Homeland Security’s Transportation Security Administration (TSA) and several other federal and state agencies for a safety enforcement and awareness operation on Tennessee’s interstates and two metropolitan-area bus stations. The agencies conducted a Visible Intermodal Prevention and Response (VIPR) operation at scale complexes where trucks and large vehicles are weighed. The VIPR operation was also conducted at two regional bus terminals in Nashville and Knoxville.