St. Charles County Transportation Department
Services
Drainage
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IDOT, Region 1, District 1
I-80 Hydraulic Studies
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City of O'Fallon, Illinois
Porter-Simmons Roundabout
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IDOT, Region 5, District 8
Illinois Route 3 Improvements
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City of O'Fallon, Illinois
North Green Mount Road Improvements
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City of Wentzville, Missouri
Downtown Revitalization Plan & Allen Street Improvements
