
Total Traffic Volume & Performance in Mahaska County, Iowa
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,129 |
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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. | 34.2 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. | 7.4% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.2 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $71,710 |
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The average monitored road in Mahaska County, Iowa carries 2,129 vehicles per day. Across its 263 miles of monitored roads, that adds up to 553,232 vehicle-miles traveled per day (≈202 million per year). Trucks are 10.3% of traffic, close to the 11.0% across Iowa.
Busier roads than 70% of counties in Iowa
Mahaska's average daily traffic volume is 30% lower than the state average - 2,129 vehicles per day against 3,042 - suggesting less traffic load per road - lighter roads for freight, but less passing trade for roadside retail. In total volume terms, its road network carries about 0.7% of Iowa's statewide total of vehicle-miles. By volume, Mahaska's 2,129 vehicles per day outpaces 70% of counties in Iowa.
The average trip takes 34.2 minutes, on par with the state level. Its average travel time of 34.2 minutes is longer than 60% of counties in Iowa.
At 35% lower than the state level, the 7.4% congestion ratio signals smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Mahaska County, Iowa
| Traffic | vehicles per day4,440 |
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| Trucks | 12.6% |
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| Average travel time | 42.0 min |
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| Congestion ratio | 9.0% |
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| Drivers’ average age | 47.8 yrs |
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| Drivers’ average income | $74,079 |
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Travel in Mahaska County, Iowa splits roughly evenly, with about half of it (49% of vehicle-miles) on highways. The average highway carries 4,440 vehicles per day, 124% more than the average non-highway road in the same area, which carries 1,984 vehicles per day.
Highways make up 22% of the monitored road miles (57 miles, 125 segments), so they carry more than their share: 269,180 vehicle-miles traveled per day (≈98.3 million per year).
Lower highway truck share than 74% of counties in Iowa
Highway truck concentration here runs 22% lower than the state average, at 12.6%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
74% of counties in Iowa see a higher highway truck share than Mahaska's 12.6%. Mahaska's highway truck count is lower than 61% of counties in Iowa, at roughly 559 trucks per day.

Non-highway Traffic in Mahaska County, Iowa
| Traffic | vehicles per day1,984 |
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| Trucks | 8.1% |
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| Average travel time | 33.7 min |
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| Congestion ratio | 7.3% |
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| Drivers’ average age | 48.4 yrs |
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| Drivers’ average income | $70,465 |
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Travel in Mahaska County, Iowa splits roughly evenly, with about half of it (51% of vehicle-miles) on local roads. A typical local road sees 1,984 vehicles per day.
Spread over 206 miles and 1,981 segments, 78% of the road network, local roads carry a lighter load per mile: 284,052 vehicle-miles traveled per day (≈104 million per year). The truck share on non-highway roads is 8.1%.
Younger drivers than 68% of counties in Iowa
The concentration of trucks on non-highway roads is 36% lower than on highways.
Non-highway congestion (7.3%) runs 34% lower than the state average, pointing to smoother local traffic flow.
Mahaska's average driver income is lower than 53% of counties in Iowa. The driver population here skews younger than 68% of counties in Iowa.