Tri-Tech has received a "Certificate of Merit" Subcontractor of the Year Award for our performance on the following projects:

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• I-355 & I-80 Interstate Improvements​
• Main Street Downers Grove Improvements
• Lake Street - IODT Contract #80373 (2000)
• Elgin O'Hare Expressway - IDOT Contract #80666 (1994)
• North Avenue Improvements - IDOT Contract #80686 (1996)
   

Tri-Tech has been involved in these and other major roadway accomplishments:



• North Avenue Improvements - IDOT Contract #80686 (1996-2003)
• Hillside "Bottleneck" Reconstruction - IDOT Contract #60767 (2000)
• Lake Street - IDOT Contract #80373 (2000)
• Lake Street - IDOT Contract #60746 (2001)
• Elgin O'Hare Expressway - IDOT Contract #80666 (1994)
• Glen Ellen Road to Rosedale Avenue in Bloomingdale
• JFK Drive in Addison going East on I-290 in Elmhurst