Priority Planning Advisory Committee

The Priority Planning Advisory Committee (PPAC) is a statutory public body appointed by the director of the Arizona Department of Transportation and subject to A.R.S. Title 38 Open Meeting Laws of Arizona. The committee is responsible for updating and preparing the five-year transportation facilities construction program.

Learn more about the Arizona Revised Statutes governing this departmental body.


Name Title Position
Gregory Byres Assistant Director, MPD PPAC Chairman
Dallas Hammit Deputy Director, Transportation Member
Kristine Ward Chief Financial Officer Member
Barry Crockett Deputy State Engineer, Contracts Member
Tim Lane Director, Enforcement and Compliance Division Member
Steve Boschen Director, Intermodal Transportation Division Member
Brent Cain Director, Transportation Systems Management and Operations Member
Clemenc Ligocki Manager, Planning and Programming Member
Donald Kriz Program Administrator, Aeronautics Group - Multimodal Planning Division