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Director's Office
Municipal Plaza Building
114 W. Commerce
San Antonio, Texas 78205
Main Line: (210) 207-8022
Fax: (210) 207-4406


Signage: Speed Limit Signs

Speed limit signs are traffic control devices used to communicate the safe and reasonable operating speed on a particular roadway. Under Texas state law, all residential streets are 30 mph unless otherwise posted, based on a traffic engineering study. Speed limit signs are typically placed at the primary entrance to a neighborhood or where speed limits change.

Speed Limit Sign


Advantages

  • Inexpensive
  • Informs the driver of the regulatory speed limit

Disadvantages

  • May not affect the driving behavior of frequent roadway users
  • Effectiveness decreases on straight and/or wide streets
  • Excessive signs can cause visual clutter

Eligibility Considerations

  • Streets that have a documented speeding problem
  • Streets that have speed limits which differ from 30 mph

 

Reduced Speed One Star   Reduced Volume No Star
Enhanced Safety One Star   Maintenance Three Star

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