How Do I...
Gateway Green Light
Progress on Page
Transportation Sales Tax
The mission of the St. Charles County Transportation Department is to coordinate road improvements to make driving, walking and biking easier in St. Charles County.
The goal of the department is to provide reliable, safe transportation facilities needed to reduce congestion, support existing businesses and encourage growth in the community.
County-Wide Traffic Count GIS Map
St. Charles County Functional Classification Map
St. Charles County Road Board
Thoroughfare Plan (PDF)
Thoroughfare Plan GIS Map
Transportation Facilities and Routes Map (PDF)
Transportation Improvement Plan (TIP) (PDF)
What are the county’s long range plans and how will it impact abutting properties?
Can I have access to traffic count data?
Who do I contact about a malfunctioning signal?