TxDOT Tests Plastic Sound Barrier on I-30 - NBC 5 Dallas-Fort Worth

    TxDOT Tests Plastic Sound Barrier on I-30

    TxDOT is testing a sound barrier that looks like a hockey rink wall on a busy stretch of Interstate 30 in Dallas. (Published Thursday, Oct 3, 2013) TxDOT is testing a sound barrier that looks like a hockey rink wall on a busy stretch of Interstate 30 in Dallas. See More