
Total Traffic Volume & Performance in Jackson County, Iowa
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,548 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 10.3% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.1 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. | 6.6% |
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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. | $74,668 |
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The average monitored road in Jackson County, Iowa carries 1,548 vehicles per day. Across its 339 miles of monitored roads, that adds up to 478,968 vehicle-miles traveled per day (≈175 million per year). Trucks are 10.3% of traffic, close to the 11.0% across Iowa.
Traffic 49% below the Iowa average
At 1,548 vehicles per day, the average monitored road in Jackson carries 49% 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. Across the whole network, that travel is about 0.6% of Iowa's statewide total. 55% of counties in Iowa see more traffic than Jackson's 1,548 vehicles per day.
The average trip takes 34.1 minutes, on par with the state level. 58% of counties in Iowa have a shorter average travel time than Jackson's 34.1 minutes.
Congestion runs 42% lower than the state level, at a ratio of 6.6%, which means smoother traffic flow - travel times are easy to plan around for scheduled deliveries.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Jackson County, Iowa
| Traffic | vehicles per day3,989 |
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| Trucks | 13.8% |
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| Average travel time | 51.5 min |
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| Congestion ratio | 8.4% |
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| Drivers’ average age | 50.1 yrs |
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| Drivers’ average income | $76,874 |
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Highways carry a significant share of travel in Jackson County, Iowa: 37% of all vehicle-miles. The average highway carries 3,989 vehicles per day, 169% more than the average non-highway road in the same area, which carries 1,485 vehicles per day.
With 13% of the road miles (42 miles in 78 segments), highways punch above their length, carrying 176,989 vehicle-miles traveled per day (≈64.6 million per year).
Fewer highway trucks than 67% of counties in Iowa
At 13.8%, highway truck share is 15% lower than the state average. The highway traffic mix is typical for Iowa: neither freight- nor commuter-dominated.
58% of counties in Iowa see a higher highway truck share than Jackson's 13.8%. By raw truck volume, Jackson carries fewer highway trucks than 67% of counties in Iowa.

Non-highway Traffic in Jackson County, Iowa
| Traffic | vehicles per day1,485 |
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| Trucks | 8.3% |
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| Average travel time | 33.6 min |
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| Congestion ratio | 6.6% |
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| Drivers’ average age | 52.1 yrs |
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| Drivers’ average income | $74,062 |
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Local roads carry more than half of all travel in Jackson County, Iowa (63% of vehicle-miles). On the average non-highway road, that comes to 1,485 vehicles per day.
Local roads make up 87% of the monitored road miles (297 miles in 3,006 segments) but carry less than their share of travel: 301,979 vehicle-miles traveled per day (≈110 million per year). About 1 in 12 vehicles on non-highway roads is a truck (8.3%).
Older drivers than 74% of counties in Iowa
The concentration of trucks on non-highway roads is 40% lower than on highways.
The non-highway congestion ratio of 6.6% is 41% lower than the state level, suggesting more efficient local mobility than the state average.
Trip origins here have higher average income than 58% of counties in Iowa. Jackson's median driver age is higher than 74% of counties in Iowa.