Gatesville, Texas Police Department and Texas Department of Public Safety sit with their lights off at night waiting for Travelers. If call the Police Department or Coryell County Sheriff’s Department , they will tell you it’s none of our business, what they do. They have the right to set up anyway they want to , any where in town or outside of town. Gatesville, Texas Police Department and DPS. The public have put it on Facebook , but they have been ask to take it down by Law Enforcement.