
Total Traffic Volume & Performance in Worth County, Iowa
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,244 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 18.8% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 33.6 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. | 5.3% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 52.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $79,643 |
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The average monitored road in Worth County, Iowa carries 1,244 vehicles per day. Across its 229 miles of monitored roads, that adds up to 527,608 vehicle-miles traveled per day (≈193 million per year). Freight weighs heavily here: trucks are 18.8% of traffic, against 11.0% across Iowa.
Quieter roads than 82% of counties in Iowa
Worth sees 59% lower average daily traffic volume than the state average (1,244 vehicles per day against 3,042), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Network-wide, Worth accounts for about 0.6% of Iowa's statewide total of vehicle-miles. By volume, Worth's 1,244 vehicles per day trails 82% of counties in Iowa.
Journey times here (33.6 minutes on average) closely track the state level. Its average travel time of 33.6 minutes is longer than 50% of counties in Iowa.
Congestion runs 54% lower than the state level, at a ratio of 5.3%, which means smoother traffic flow - delays are rare enough to plan travel times almost to the minute.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Worth County, Iowa
| Traffic | vehicles per day8,770 |
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| Trucks | 23.6% |
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| Average travel time | 58.6 min |
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| Congestion ratio | 18.5% |
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| Drivers’ average age | 53.2 yrs |
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| Drivers’ average income | $82,087 |
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Highways carry more than half of all travel in Worth County, Iowa (67% of vehicle-miles). The average highway carries 8,770 vehicles per day, 685% more than the average non-highway road in the same area, which carries 1,117 vehicles per day.
Yet highways are only 17% of the road network, 39 miles in 28 segments, so each mile of them is 3.9 times as busy as the average road mile.
By highway travel volume, Worth outranks 57% of counties in Iowa.
Higher highway truck share than 90% of counties in Iowa
At 23.6%, highway truck share is 47% higher than the state average. Highways here lean toward freight, so highway access is a real asset for logistics operators.
90% of counties in Iowa see a lower highway truck share than Worth's 23.6%. Worth's highway truck count is higher than 90% of counties in Iowa, at roughly 2,070 trucks per day.

Non-highway Traffic in Worth County, Iowa
| Traffic | vehicles per day1,117 |
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| Trucks | 9.1% |
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| Average travel time | 33.2 min |
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| Congestion ratio | 5.0% |
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| Drivers’ average age | 52.1 yrs |
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| Drivers’ average income | $78,852 |
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Local roads carry a significant share of travel in Worth County, Iowa: 33% of all vehicle-miles. A typical local road sees 1,117 vehicles per day.
Local roads make up 83% of the monitored road miles (190 miles in 1,658 segments) but carry less than their share of travel: 175,532 vehicle-miles traveled per day (≈64.1 million per year). The truck share on non-highway roads is 9.1%.
Older drivers than 88% of counties in Iowa
Compared to highways, non-highway routes see 62% fewer trucks by share.
The non-highway congestion ratio of 5.0% is 55% lower than the state level, suggesting more efficient local mobility than the state average.
Trip origins here have higher average income than 77% of counties in Iowa. 88% of counties in Iowa have a younger driver population than Worth.