2019 ACEC-Illinois Merit Award for Oak Park Avenue Improvement Project in Chicago, Illinois - Phase III2019 ACEC-Illinois Merit Award for 7th Ward Sewer Rehabilitation Project in Decatur, Illinois - Phase III
2017 ACEC-Illinois Eminent Conceptor Award for Illinois Tollway I-90 Fox River Bridge Project in Elgin, Illinois - Phase III
2017 ACEC-Illinois Honor Award for Illinois Tollway LEED Gold Alsip Maintenance Site - Phase III
2016 ACEC-Illinois Merit Award for Downtown Decatur Streetscape Enhancement Project in Decatur, Illinois - Phase II
2015 ACEC-Illinois Merit Award for South Country Club Road in Decatur, Illinois - Phases I & II
2012 ACEC-Illinois Special Achievement Award for I-355 Rehabilitation in Lombard, Addison and Glen Ellyn, Illinois - Phase III
2010 ACEC-Illinois Special Achievement Award for I-88 Reconstruction in Oak Brook, Illinois - Phase III
2010 ACEC-Illinois Merit Award for Solidarity Drive Underpass & Museum Campus Drive in Chicago, Illinois - Phase III
2008 Road & Bridges Magazine #8 Top 10 Road Awards Reagan Memorial Tollway (I-88) in Oak Brook, Illinois - Phase III
2008 ACEC-Illinois Merit Award for IL Route 173 & Northwest Tollway (I-90) Interchange and Roadway in Machesney Park, Illinois - Phase III
2007 ACEC-Illinois Honor Award for I-74 Improvement and Riverfront Drive Interchange in East Peoria, Illinois - Phase II
2007 IDOT Award for Exceptional Consulting Engineering Service for I-74 Improvement in East Peoria, Illinois - Phase II
2006 ACEC- Illinois Merit Award for Progress City USA, Farm Progress Show Site in Decatur, Illinois - Phases I, II & III
2003 ACEC-Illinois Merit Award for Veterans Memorial Bridge in Mattoon, Illinois - Phase II
State Prequalifications.
Chastain is prequalified with the Illinois Department of Transportation in the following categories: