
Total Traffic Volume & Performance in Scott County, Iowa
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day5,804 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.2% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 32.8 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. | 14.4% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 46.8 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $90,132 |
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A typical monitored road in Scott County, Iowa sees 5,804 vehicles per day, while its 648 miles of monitored roads together handle 3,742,051 vehicle-miles traveled per day (≈1.4 billion per year). Trucks are 10.2% of traffic, close to the 11.0% across Iowa.
Busier roads than 99% of counties in Iowa
At 5,804 vehicles per day, the average monitored road in Scott carries 91% more traffic than the state average of 3,042, suggesting more demand on each road - prime passing trade for storefronts, with more competition for road space. In total volume terms, its road network carries about 4.5% of Iowa's statewide total of vehicle-miles. By volume, Scott's 5,804 vehicles per day outpaces 99% of counties in Iowa.
At 32.8 minutes, the average travel time matches the state level closely. Its average travel time of 32.8 minutes is shorter than 58% of counties in Iowa.
Congestion runs 26% higher than the state level, at a ratio of 14.4%, which means more pronounced congestion - a factor for delivery windows and signal timing.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Scott County, Iowa
| Traffic | vehicles per day11,150 |
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| Trucks | 16.7% |
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| Average travel time | 35.4 min |
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| Congestion ratio | 19.7% |
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| Drivers’ average age | 47.2 yrs |
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| Drivers’ average income | $87,484 |
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A significant share of driving in Scott County, Iowa, 44% of vehicle-miles, happens on highways. The average highway carries 11,150 vehicles per day, 101% more than the average non-highway road in the same area, which carries 5,539 vehicles per day.
Highways make up 22% of the monitored road miles (142 miles, 534 segments), so they carry more than their share: 1,634,421 vehicle-miles traveled per day (≈597 million per year).
By highway travel volume, that ranks Scott in the top 5 counties in Iowa.
More highway trucks than 83% of counties in Iowa
The concentration of trucks on highways (16.7%) is in line with the state average for similar road classifications. The highway traffic mix is typical for Iowa: neither freight- nor commuter-dominated.
65% of counties in Iowa see a lower highway truck share than Scott's 16.7%. Scott's highway truck count is higher than 83% of counties in Iowa, at roughly 1,859 trucks per day.

Non-highway Traffic in Scott County, Iowa
| Traffic | vehicles per day5,539 |
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| Trucks | 5.1% |
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| Average travel time | 32.7 min |
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| Congestion ratio | 14.2% |
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| Drivers’ average age | 46.7 yrs |
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| Drivers’ average income | $91,397 |
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Local roads carry more than half of all travel in Scott County, Iowa (56% of vehicle-miles). The average non-highway road carries 5,539 vehicles per day.
Local roads make up 78% of the monitored road miles (506 miles in 10,796 segments) but carry less than their share of travel: 2,107,630 vehicle-miles traveled per day (≈769 million per year). About 1 in 20 vehicles on non-highway roads is a truck (5.1%).
Drivers from higher-income areas than 96% of counties in Iowa
Compared to highways, non-highway routes see 69% fewer trucks by share.
Non-highway congestion (14.2%) runs 27% higher than the state average, pointing to slower local traffic flow.
Trip origins here have higher average income than 96% of counties in Iowa. The driver population here skews younger than 82% of counties in Iowa.