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Implementation and Effectiveness of Sound Mitigation Measures on Texas Highways (HB 790)

As directed in 2015 by the 84th Texas Legislature, researchers compared highway noise guidelines in Texas with those in five other states and interviewed officials representing several toll road authorities in Texas. They also measured sound levels behind noise barriers along three toll road sections in Harris County, Dallas County, and Williamson County to compare those measures with predicted levels after noise wall construction.

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