
Total Traffic Volume & Performance in Cass County, Iowa
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,320 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 21.3% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 40.1 min |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 51.1 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $67,225 |
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The average monitored road in Cass County, Iowa carries 2,320 vehicles per day. Across its 288 miles of monitored roads, that adds up to 915,509 vehicle-miles traveled per day (≈334 million per year). Freight weighs heavily here: trucks are 21.3% of traffic, against 11.0% across Iowa.
Longer trips than 96% of counties in Iowa
Cass's average daily traffic volume is 24% lower than the state average - 2,320 vehicles per day against 3,042 - suggesting less traffic load per road - a critical factor for logistics and site planning. In total volume terms, its road network carries about 1.1% of Iowa's statewide total of vehicle-miles. By volume, Cass's 2,320 vehicles per day outpaces 74% of counties in Iowa.
The average trip takes 40.1 minutes, 22% higher than the state level. 96% of counties in Iowa have a shorter average travel time than Cass's 40.1 minutes.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Cass County, Iowa
| Traffic | vehicles per day4,885 |
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| Trucks | 26.3% |
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| Average travel time | 66.2 min |
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| Drivers’ average age | 49.5 yrs |
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| Drivers’ average income | $75,211 |
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Highways carry most of the traffic in Cass County, Iowa: 72% of all vehicle-miles. The average highway carries 4,885 vehicles per day, 149% more than the average non-highway road in the same area, which carries 1,963 vehicles per day.
With 29% of the road miles (85 miles in 294 segments), highways punch above their length, carrying 658,360 vehicle-miles traveled per day (≈240 million per year).
That is more highway travel volume than 80% of counties in Iowa.
Higher highway truck share than 96% of counties in Iowa
Highway truck concentration here runs 64% higher than the state average, at 26.3%. That marks Cass as a major freight corridor, where highway access is what logistics operators compete on.
By truck concentration, highways here outrank 96% of counties in Iowa. Cass's highway truck count is higher than 84% of counties in Iowa, at roughly 1,287 trucks per day.

Non-highway Traffic in Cass County, Iowa
| Traffic | vehicles per day1,963 |
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| Trucks | 8.2% |
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| Average travel time | 36.5 min |
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| Drivers’ average age | 52.9 yrs |
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| Drivers’ average income | $62,775 |
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Local roads carry a smaller share of travel in Cass County, Iowa, 28% of vehicle-miles; most driving happens on highways. On the average non-highway road, that comes to 1,963 vehicles per day.
Local roads make up 71% of the monitored road miles (204 miles in 2,115 segments) but carry less than their share of travel: 257,149 vehicle-miles traveled per day (≈93.9 million per year). About 1 in 12 vehicles on non-highway roads is a truck (8.2%).
Drivers from lower-income areas than 80% of counties in Iowa
The concentration of trucks on non-highway roads is 69% lower than on highways.
Cass's average driver income is lower than 80% of counties in Iowa. 65% of counties in Iowa have a younger driver population than Cass.