More info and registration Special Guest Speakers Deputy Program Managers for the Illinois Tollway Engineering Challenges & Solutions in Building, Maintaining & Expanding the Illinois Tollway System IDOT Central Bureau of Materials – Dan Tobias, Ph.D., P.E., S.E. Development of IDOT’s new Manhole Highway Standards Other Presentations Include:      Thinking Resilient Infrastructure: Drainage Systems – Woody Rigdon, ACPA      Pipe Installations:Concrete or Thermoplastic – Don McNutt, P.E., ACPA      The Use of Recycled Resins in Plastic Pipe – Josh Beakley, P.E., ACPA