This sign warns you there is a prison near by and not to pick up hitch hikers! It is implied these hitch hikers could have possibly escaped the prison. This sign takes low cognitive effort and was found in the virtual domain.
Inmates at Ellis unit are searched during a shakedown. The photographs, taken by Danny Lyon, reveal the daily lives of inmates inside the Texas penitentiary system, including Ellis prison where the most dangerous or unmanageable prisoners lived
These Poignant Photos of Texas’ Penitentiary System in the ’60s Are Still Relevant Today