WITNESS LIST HB 2646 Senate Committee Report Transportation May 17, 2017 - 8:00 AM Registering, but not testifying: ON: Marek, Mark Director of Engineering and Safety Operations (Texas Department of Transportation), Austin, TX 1 WITNESS LIST HB 2646 Senate Committee Report Transportation May 17, 2017 - 8:00 AM Registering, but not testifying: ON: Marek, Mark Director of Engineering and Safety Operations (Texas Department of Transportation), Austin, TX 1