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Roads & Traffic
COVID-19 Latest News
The St. Charles County Administration Building at 201 N. Second Street in St. Charles is open to the public with normal operating hours. Access is limited to the first floor. Upon entrance to any County building, employees and the public are encouraged to wear cloth facial protection, and everyone is required to have a health screening, including temperature check, before entering. Those with a fever or who have other COVID-19 symptoms will not be permitted to enter the building. View release for more information.
Staff from Roads and Traffic are available by appointment. Please call 636-949-7490.
This website will be updated to reflect any changes in facility or department services. The public is encouraged to continue accessing County Government services by phone, email and online when available. Thank you.
- View a comprehensive list of online services.
- For more information about COVID-19, visit the St. Charles County Department of Public Health page or call the Information Hotline at 636-949-1899.
Heritage Crossing Slip Ramps
The East-West Gateway Council of Governments (EWGCG) approved a $2.8 million project to build new slip ramps near Heritage Crossing on Route 364 to alleviate headaches caused by traffic congestion and time lost sitting traffic. Learn more about the project expected to begin construction in 2021.
Route N Study
The Missouri Department of Transportation’s (MoDOT) St. Louis District, in cooperation with the Federal Highway Administration (FHWA), is conducting a National Environmental Policy Act (NEPA) Study being processed as an Environmental Assessment (EA) for an approximately eight-mile stretch of Route N in St. Charles County, Missouri. The goal is to assess the needs and issues of this portion of Route N, as well as the impacts and overall effectiveness of potential alternatives to address those needs.
St. Charles County is funding the study. Visit the Route N Study website for more information and to provide input.
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Gateway Green Light
Learn more about this cooperative effort to improve the coordination of traffic signals throughout St. Charles County.
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Getting Around
The county strives to create and maintain a safe and efficient transportation system that provides a variety of ways for residents, visitors, and people who work here to get around.
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Report Road Maintenance
Submit a report regarding a road maintenance issue.
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Road Board
Evaluates and recommends road and bridge projects to be funded by the county's transportation sales tax
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Road Closures - Flood
Information about roads closed due to flooding in St. Charles County.
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Transportation Sales Tax
Funds from this tax are used for road improvements that enhance the mobility and safety of our local roads.
Contact Us
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Amanda Brauer
Manager & Board Contact
201 N. Second St.
St. Charles, MO 63301
Ph. 636-949-7490
Staff Directory