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      Say goodnight to nighttime speed limits

      Nigthttime and truck speed limits will soon be a thing of the past.

      Get ready for some big changes on a roadway near you.

      Drivers in the Lonestar State will soon start to notice some changes to speed limit signs during the next several months. That's because new laws regulating the speed limits will take effect Sept. 1.

      House Bill 1353, passed by the 82nd Texas Legislature and Governor Rick Perry (R), allows Texas Department of Transportation to create 75 mph speed limits on any state highway "found to be reasonable and safe through a speed study."

      Read more New laws to take effect in Texas No more nighttime speed limits Higher speed limit cruises through legislature

      Existing 70-mile per hour highways will soon be examine to see if a 75 mph speed limit would be safe.

      In addition to the possible speed limit increases, the new law eliminates the 75 mph nighttime speed limit and all truck speed limits. Starting Sept. 1, those speed limits are repealed and no longer enforceable.

      "We will be removing the existing nighttime speed limit signs, truck speed limit signs, and evaluating approximately 50,000 miles of state highway with a current 70-mile hour speed limit," said Carol Rawson, TxDOT Director of Traffic Operations. "With these contracts in place, we are moving steadily ahead to implement these new laws. However, it is important to remember that any increases to speed limits are not effective until the new speed limit signs are actually installed."

      According to TxDOT, the existing 65 mph nighttime and truck speed limit signs should be removed by the end of 2011 and studies to determine new 75 mph highways will be done by early 2013.