Mobility & Curb Rules in Jefferson County, MO (2026)
2 rules for unincorporated Jefferson County, Missouri.
Verified from official government sources
Bike Lane Rules
Jefferson County requires bicyclists on any highway, roadway, or alleyway to ride as near the right side as practicable and use due care passing standing or slower vehicles. Riders get all the rights and duties of a motor vehicle driver, cannot ride more than two abreast off dedicated paths, and cannot park a bike so it blocks vehicle or pedestrian traffic.
Jefferson County Bicycle Riding and Parking Rules
Some RestrictionsJefferson County, MO Code of Ordinances § 330.050(A)
Every person operating a bicycle, motorized bicycle or scooter upon a highway, roadway or alleyway shall ride as near to the right side of the highway, roadway or alleyway as practicable and shall exercise due care when passing a standing vehicle or one proceeding in the same direction.
Red-Light Cameras
Jefferson County ordinance flatly bars red light cameras and speed cameras on any road, roadway or highway in unincorporated Jefferson County, Missouri. Section 105.130, enacted in 2010 and amended in 2011, forbids the County from using automated photo enforcement to catch red-light or speeding violations of the County Traffic Code, leaving officer-issued tickets as the only enforcement method.
Jefferson County, MO Bans Red-Light and Speed Cameras
Heavy RestrictionsJefferson County, MO Code of Ordinances § 105.130
The use of red light cameras or speed cameras shall be prohibited on any road, roadway or highway within the boundaries of Unincorporated Jefferson County, Missouri for the purpose of enforcing violations of the Code of Ordinances of Jefferson County or the Jefferson County Traffic Code.
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