Responsibilities

The Traffic Operations Division (TRF)
 will:
  • prepare procedures for establishing speed zones and advisory speeds
  • assist districts as necessary with speed zone studies
  • review and approve district recommendations for speed zoning and prepare minute orders for Transportation Commission action.
TxDOT districts
 will:
  • conduct engineering and traffic studies associated with the establishment of speed zones and advisory speeds
  • submit recommendations for speed zoning, along with results of studies to the Traffic Operations Division (TRF)
  • request cities to pass ordinances establishing speed zones when necessary
  • erect and maintain necessary speed limit and advisory speed signs and notify local enforcement authorities upon installation of the signs.
Cities
 will:
  • request that the district conduct engineering and traffic studies associated with the establishment of speed zones on the state highway system, or conduct the studies themselves
  • upon approval by TRF, prepare and pass city ordinances establishing speed zones.
A commissioners court of a county
 may by resolution request, through the local TxDOT district office, that the Texas Transportation Commission determine and declare a reasonable and safe
prima facie
 speed limit lower than that established by Section 545.352 of the Transportation Code on any part of a farm-to-market or ranch-to-market road without improved shoulders located in that county.