UT Southwestern Medical Center Elevates its Campus Parking Experience with a Park Assist Parking Guidance System Thursday, January 7, 2021 12:54 PM Park Assist, recently merged with TKH Security, has been awarded the Parking Guidance System (PGS) contract for the University of Texas Southwestern Medical Center (UTSW Medical Center) in Dallas, Texas. UTSW is one of the premier academic medical centers in the nation. With over 15,000 employees and faculty and over 2.7 million outpatient visits per year, UT Southwestern is the largest medical school in the University of Texas System and the state of Texas. TKH Security (Park Assist) will install its proprietary camera-based M4 smart sensor system in the Clements Visitor Garage, one of 15 parking facilities on campus. This will be the first parking guidance system to be utilized on the UTSW campus.