WITNESS LIST SB 527 Senate Committee Report Transportation March 11, 2015 - 8:00 AM Registering, but not testifying: ON: Marek, Mark Director of Engineering Operations (TxDOT), Austin, TX 1 WITNESS LIST SB 527 Senate Committee Report Transportation March 11, 2015 - 8:00 AM Registering, but not testifying: ON: Marek, Mark Director of Engineering Operations (TxDOT), Austin, TX 1