Douglas St / Coolidge Ave Reconstruction – City of Charleston
Overview:
The project included reconstruction of approximately 0.99 miles of Douglas Street and Coolidge Avenue, including pavement replacement, drainage improvements, ADA upgrades, and shared bicycle accommodations, in accordance with Illinois Department of Transportation requirements for federally funded projects.
What We Delivered:
– Phase I & Phase II Engineering: Prepared the Project Development Report and completed full design services in accordance with IDOT standards.
– Roadway Design & Reconstruction: Developed geometric roadway design including grade adjustments, pavement reconstruction, and shared bicycle accommodations.
– Drainage & Storm Sewer Improvements: Designed new storm sewer infrastructure and drainage systems to improve roadway performance and reduce flooding risk.
– ADA & Safety Enhancements: Incorporated ADA-compliant pedestrian improvements and conducted crash analysis to support safer roadway conditions.
– Surveying & Right-of-Way Services: Performed land surveying, prepared right-of-way plans and plats, and coordinated property impacts.
– Traffic & Construction Documentation: Prepared maintenance of traffic plans, contract drawings, special provisions, and engineer’s cost estimates for bidding and construction.
Results:
TWG successfully delivered engineering and surveying services for this $5 million federally funded reconstruction project, improving safety, accessibility, and drainage while completing the work in full compliance with IDOT requirements.
