Jan. 11, 1974
The Texas State Highway Department lowered the maximum speed limit from 70 to 55 mph, effective Sunday, Jan. 20 at 12:01 a.m. to comply with a new federal law signed by President Richard Nixon on Jan. 2 as an energy-saving measure. States that refused to reduce the speed limit to 55 mph would no longer be eligible to receive federal highway funding. In that scenario, Texas would…
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