
Total Traffic Volume & Performance in Benton County, Iowa
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,881 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.4% |
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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. | 6.9% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.4 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $88,612 |
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The average monitored road in Benton County, Iowa carries 1,881 vehicles per day. Across its 356 miles of monitored roads, that adds up to 853,928 vehicle-miles traveled per day (≈312 million per year). About 1 in 10 vehicles is a truck, in line with Iowa (11.0%).
Shorter trips than 80% of counties in Iowa
At 1,881 vehicles per day, the average monitored road in Benton carries 38% less traffic than the state average of 3,042, suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. In total volume terms, its road network carries about 1.0% of Iowa's statewide total of vehicle-miles. By volume, Benton's 1,881 vehicles per day outpaces 60% of counties in Iowa.
The average trip takes 31.4 minutes, on par with the state level. Its average travel time of 31.4 minutes is shorter than 80% of counties in Iowa.
Congestion runs 39% lower than the state level, at a ratio of 6.9%, which means smoother traffic flow - travel times are easy to plan around for scheduled deliveries.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Benton County, Iowa
| Traffic | vehicles per day6,991 |
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| Trucks | 13.2% |
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| Average travel time | 46.6 min |
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| Congestion ratio | 16.8% |
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| Drivers’ average age | 47.1 yrs |
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| Drivers’ average income | $86,047 |
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Travel in Benton County, Iowa splits roughly evenly, with about half of it (50% of vehicle-miles) on highways. The average highway carries 6,991 vehicles per day, 330% more than the average non-highway road in the same area, which carries 1,624 vehicles per day.
Highways make up 17% of the monitored road miles (59 miles, 184 segments), so they carry more than their share: 423,407 vehicle-miles traveled per day (≈155 million per year).
By highway travel volume, Benton outranks 67% of counties in Iowa.
Lower highway truck share than 68% of counties in Iowa
At 13.2%, highway truck share is 18% lower than the state average. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
Benton's highway truck share (13.2%) is lower than 68% of counties in Iowa. 61% of counties in Iowa see fewer highway trucks per day than Benton's roughly 926.

Non-highway Traffic in Benton County, Iowa
| Traffic | vehicles per day1,624 |
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| Trucks | 7.5% |
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| Average travel time | 30.7 min |
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| Congestion ratio | 6.4% |
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| Drivers’ average age | 49.8 yrs |
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| Drivers’ average income | $90,134 |
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Travel in Benton County, Iowa splits roughly evenly, with about half of it (50% of vehicle-miles) on local roads. The average non-highway road carries 1,624 vehicles per day.
Spread over 297 miles and 3,659 segments, 83% of the road network, local roads carry a lighter load per mile: 430,520 vehicle-miles traveled per day (≈157 million per year). About 1 in 13 vehicles on non-highway roads is a truck (7.5%).
Drivers from higher-income areas than 93% of counties in Iowa
Compared to highways, non-highway routes see 43% fewer trucks by share.
Non-highway congestion (6.4%) runs 42% lower than the state average, pointing to smoother local traffic flow.
Trip origins here have higher average income than 93% of counties in Iowa. 66% of counties in Iowa have an older driver population than Benton.