
Total Traffic Volume & Performance in Shelby County, Missouri
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,336 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 13.1% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 31.4 min |
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Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 6.4% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 51.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $54,651 |
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The average monitored road in Shelby County, Missouri carries 1,336 vehicles per day. Across its 145 miles of monitored roads, that adds up to 239,370 vehicle-miles traveled per day (≈87.4 million per year). Trucks are 13.1% of traffic, more than the 9.8% across Missouri.
Traffic 76% below the Missouri average
Shelby sees 76% lower average daily traffic volume than the state average (1,336 vehicles per day against 5,631), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. In total volume terms, its road network carries about 0.1% of Missouri's statewide total of vehicle-miles. Shelby carries less traffic than 85% of counties in Missouri.
At 31.4 minutes, the average travel time matches the state level closely. Its average travel time of 31.4 minutes is shorter than 61% of counties in Missouri.
Congestion runs 67% lower than the state level, at a ratio of 6.4%, which means smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Shelby County, Missouri
| Traffic | vehicles per day3,347 |
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| Trucks | 14.3% |
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| Average travel time | 47.2 min |
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| Drivers’ average age | 51.0 yrs |
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| Drivers’ average income | $56,772 |
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Highways carry most of the traffic in Shelby County, Missouri: 77% of all vehicle-miles. The average highway carries 3,347 vehicles per day, 231% more than the average non-highway road in the same area, which carries 1,010 vehicles per day.
Highways make up 37% of the monitored road miles (54 miles, 89 segments), so they carry more than their share: 184,672 vehicle-miles traveled per day (≈67.4 million per year).
Fewer highway trucks than 90% of counties in Missouri
The concentration of trucks on highways (14.3%) is 6% higher than the state average for similar road classifications. The highway traffic mix is typical for Missouri: neither freight- nor commuter-dominated.
Shelby's highway truck share (14.3%) is higher than 50% of counties in Missouri. Shelby's highway truck count is lower than 90% of counties in Missouri, at roughly 478 trucks per day.

Non-highway Traffic in Shelby County, Missouri
| Traffic | vehicles per day1,010 |
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| Trucks | 9.1% |
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| Average travel time | 28.8 min |
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| Congestion ratio | 6.4% |
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| Drivers’ average age | 52.5 yrs |
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| Drivers’ average income | $51,636 |
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At 23% of vehicle-miles, local roads carry a smaller share of the traffic in Shelby County, Missouri than highways. The average non-highway road carries 1,010 vehicles per day.
Spread over 92 miles and 549 segments, 63% of the road network, local roads carry a lighter load per mile: 54,698 vehicle-miles traveled per day (≈20.0 million per year). About 1 in 11 vehicles on non-highway roads is a truck (9.1%).
Local congestion 66% below the Missouri average
Non-highway roads carry a truck concentration that's 37% lower than the highway network.
The non-highway congestion ratio of 6.4% is 66% lower than the state level, suggesting more efficient local mobility than the state average.
81% of counties in Missouri see higher average driver income among trip origins than Shelby. The driver population here skews older than 82% of counties in Missouri.