Many tractor-trailers on the roads across Texas and the nation exceed tire safety ratings and are driven faster than the 75 mph their tires are designed to handle, a practice that has been linked to wrecks and blowouts but has largely escaped the attention of highway officials.
Nearly all truck tires have been built for a maximum sustained speed of 75 mph since the middle of last decade, when drivers across the vast majority of the U.S. were allowed to go no faster than 65 or 70 mph. But 14 states, mainly west of...
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