The 13th Annual Arizona Pavements/Materials Conference began Tuesday on Arizona State University’s Campus with demonstrations of six different types of sustainable pavement.

The demonstrations took place on Orange Street and McAllister Avenue where folks from ASU, the Arizona Department of Transportation and the Federal Highway Administration showcased the sustainable pavement types.  The conference, which has more than 400 attendees, continues through Thursday, Nov. 17 and includes exhibitors from the construction and supply industries.