Gary P. Overbay, P.E.

Principal Engineer

During his 30-year career, Gary has developed experience in the areas of transportation planning, civil/site design, tollway design, roadway plan preparation and traffic impact studies. He specializes in civil/site design projects and the accompanying traffic impact studies for both public and private developments. The scale of the projects on which Gary has directed the planning and design effort range from addition/alteration projects of small developments to multi-million dollar regional roadway corridors. He also currently provides ongoing site design services for the Department of Defense on retail projects located at military installations throughout the United States.

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Professional Organizations:

  • Consulting Engineers Council of Illinois

Areas of Specialization:

  • Site Design Engineering
  • Roadway and Highway Design
  • Transportation Planning
  • Traffic Engineering and Impact Studies

Key Projects:

  • IL Route 31 Algonquin Western Bypass; McHenry County Division of Transportation; $50.4 million
  • Village Traffic Engineer – Village of Huntley
  • New Facility Projects Nationwide - Defense Commissary Agency (DeCA)
  • Vulcan Lakes Recration Area; City of Crystal Lake; $12 million
  • McHenry County Transportation Model and Two Subregional Studies; McHenry County Division of Transportation