This page delivers traffic analytics for St. Clair County, Missouri. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for St. Clair County, Missouri among 240 road miles divided in 1,670 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 758 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
The average number of vehicles that travel each day over any road in the road network.
971
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
13.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
39.5 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
53.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$50,883
Our data indicates an estimated average traffic volume of 971 vehicles per day in St. Clair County, Missouri that results in 395,257 vehicle-miles traveled per day (≈144 million per year). The traffic stream is comprised of an average of 1 truck for every 7 vehicles. Typical time spent behind the wheel per trip is 39.5 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the Missouri state averages: At 971 vehicles per day, the average monitored road in St. Clair carries 83% less traffic than the state average of 5,631 vehicles per day - a critical factor for logistics and site planning. Across the whole network that adds up to 395,257 vehicle-miles traveled per day (≈144 million per year), roughly 0.2% of Missouri's statewide total. At 39.5 minutes, the average travel time is 26% higher than the state level. St. Clair carries more traffic than 4% of counties in Missouri. 95% of counties in Missouri have a shorter average travel time than St. Clair's 39.5 minutes.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
4,930
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
15.3%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
71.8 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
53.3 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$53,170
A significant volume of traffic in St. Clair County, Missouri utilizes the highway network. The average highway carries 4,930 vehicles per day, 688% more than the average non-highway road in the same area, which carries 626 vehicles per day. That average covers 58 highway road miles divided in 134 segments (average segment length 2,284 ft), together carrying 290,803 vehicle-miles traveled per day (≈106 million per year). Trucks constitute 15.3% of highway traffic.
Analytical insight
Highway truck concentration here runs 14% higher than the state average, at 15.3% - positioning St. Clair as a significant freight corridor. For logistics operators, this validates the importance of highway access. 58% of counties in Missouri see a lower highway truck share than St. Clair's 15.3%. 34% of counties in Missouri see fewer highway trucks per day than St. Clair's roughly 755.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
626
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
8.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
36.7 min
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
54.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$48,230
The non-highway road network in St. Clair County, Missouri supports a substantial volume of traffic. The average non-highway road carries 626 vehicles per day, 87% less than the average highway in the same area, which carries 4,930 vehicles per day. That average covers 182 non-highway road miles divided in 1,536 segments (average segment length 624 ft), together carrying 104,454 vehicle-miles traveled per day (≈38.1 million per year). Trucks constitute 8.5% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 44% fewer trucks by share. St. Clair's overall average travel time exceeds 95% of counties in Missouri. St. Clair's average driver income exceeds 6% of counties in Missouri. 94% of counties in Missouri have a younger driver population than St. Clair.
Time-of-Day & Seasonal Patterns
Analytical insight
In St. Clair County, Missouri, the peak hour concentrates about 7% of the day's traffic.
Traffic Flow Profile Comparison
Metric
St. Clair
Missouri
Average
Difference
Traffic
971
5,631
-82.8%
Truck % (Total Traffic)
13.5%
9.8%
+37.8%
Truck % (Highway)
15.3%
13.4%
+13.9%
Avg. Travel Time
39.5 min
31.3 min
+26.3%
Frequently Asked Questions
The average daily traffic volume is calculated at 971 vehicles per day, providing a baseline for daily operations and site assessment.
The driver population in St. Clair skews older than 94% of counties in Missouri.
The average travel time for drivers is 39.5 minutes, offering a standard metric for commute and delivery route planning.
Trucks account for approximately 13.5% of the total traffic mix across all road types, with a significantly higher concentration of 15.3% on highways.
Approximately 39% of highway traffic and 14% of non-highway traffic consists of vehicles whose trip originates outside St. Clair County, Missouri. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
Data Sources & Methodology
The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:
Mobile device location data (anonymized and aggregated)
