
Total Traffic Volume & Performance in Jasper County, Iowa
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,010 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 16.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.7 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. | 45.9 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $81,806 |
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A typical monitored road in Jasper County, Iowa sees 2,010 vehicles per day, while its 477 miles of monitored roads together handle 1,456,635 vehicle-miles traveled per day (≈532 million per year). At 16.5%, the truck share runs above the 11.0% across Iowa: about 1 in 6 vehicles.
Congestion 40% below the Iowa average
At 2,010 vehicles per day, the average monitored road in Jasper carries 34% 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 1.7% of Iowa's statewide total of vehicle-miles. Jasper carries more traffic than 66% of counties in Iowa.
At 34.7 minutes, the average travel time is 5% higher than the state level. On travel time, Jasper runs longer than 66% of counties in Iowa.
The congestion ratio of 6.9% is 40% lower, pointing to smoother traffic flow than the state level - travel times are easy to plan around for scheduled deliveries.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Jasper County, Iowa
| Traffic | vehicles per day8,214 |
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| Trucks | 21.2% |
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| Average travel time | 49.8 min |
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| Congestion ratio | 18.8% |
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| Drivers’ average age | 44.3 yrs |
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| Drivers’ average income | $86,717 |
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A little more than half of the driving in Jasper County, Iowa happens on highways: 65% of all vehicle-miles. The average highway carries 8,214 vehicles per day, 365% more than the average non-highway road in the same area, which carries 1,768 vehicles per day.
With 24% of the road miles (113 miles in 204 segments), highways punch above their length, carrying 951,912 vehicle-miles traveled per day (≈347 million per year).
That is more highway travel volume than 86% of counties in Iowa.
Higher highway truck share than 78% of counties in Iowa
Highway truck concentration here runs 32% higher than the state average, at 21.2%. Highways here lean toward freight, so highway access is a real asset for logistics operators.
Jasper's highway truck share (21.2%) is higher than 78% of counties in Iowa. 77% of counties in Iowa see fewer highway trucks per day than Jasper's roughly 1,740.

Non-highway Traffic in Jasper County, Iowa
| Traffic | vehicles per day1,768 |
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| Trucks | 7.6% |
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| Average travel time | 34.1 min |
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| Congestion ratio | 6.4% |
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| Drivers’ average age | 48.5 yrs |
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| Drivers’ average income | $77,292 |
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A significant share of driving in Jasper County, Iowa, 35% of vehicle-miles, happens on local roads. A typical local road sees 1,768 vehicles per day.
Local roads make up 76% of the monitored road miles (364 miles in 5,244 segments) but carry less than their share of travel: 504,722 vehicle-miles traveled per day (≈184 million per year). The truck share on non-highway roads is 7.6%.
Younger drivers than 87% of counties in Iowa
Compared to highways, non-highway routes see 64% fewer trucks by share.
At 42% lower than the state level, the non-highway congestion ratio of 6.4% signals easier movement on local roads.
Jasper's average driver income is higher than 84% of counties in Iowa. The driver population here skews younger than 87% of counties in Iowa.