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Traffic | vehicles per day2,587 |
|---|---|
Trucks | 19.7% |
Average travel time | 32.6 min |
Congestion ratio | 4.0% |
Drivers’ average age | 47.8 yrs |
Drivers’ average income | $71,933 |
A typical monitored road in Clarke County, Iowa sees 2,587 vehicles per day, while its 145 miles of monitored roads together handle 494,892 vehicle-miles traveled per day (≈181 million per year). Freight weighs heavily here: trucks are 19.7% of traffic, against 11.0% across Iowa.
At 2,587 vehicles per day, the average road in Clarke carries somewhat less traffic than the state average of 3,042 (15% less) - a factor worth weighing in site selection and logistics planning. Network-wide, Clarke accounts for about 0.6% of Iowa's statewide total of vehicle-miles. Clarke carries more traffic than 83% of counties in Iowa.
At 32.6 minutes, the average travel time matches the state level closely. On travel time, Clarke runs shorter than 64% of counties in Iowa.
The congestion ratio of 4.0% is 65% lower, pointing to smoother traffic flow than the state level - free-flowing roads make scheduled deliveries highly predictable.
| Traffic | vehicles per day7,939 |
|---|---|
| Trucks | 24.7% |
| Average travel time | 50.5 min |
| Drivers’ average age | 44.7 yrs |
| Drivers’ average income | $71,938 |
Highways carry more than half of all travel in Clarke County, Iowa (68% of vehicle-miles). The average highway carries 7,939 vehicles per day, 236% more than the average non-highway road in the same area, which carries 2,363 vehicles per day.
With 28% of the road miles (40 miles in 46 segments), highways punch above their length, carrying 338,354 vehicle-miles traveled per day (≈123 million per year).
By highway travel volume, Clarke outranks 55% of counties in Iowa.
The concentration of trucks on highways (24.7%) is 53% higher than the state average for similar road classifications. That marks Clarke as a major freight corridor, where highway access is what logistics operators compete on.
Clarke's highway truck share (24.7%) is higher than 94% of counties in Iowa. 86% of counties in Iowa see fewer highway trucks per day than Clarke's roughly 1,958.
| Traffic | vehicles per day2,363 |
|---|---|
| Trucks | 9.1% |
| Average travel time | 31.9 min |
| Congestion ratio | 4.0% |
| Drivers’ average age | 49.3 yrs |
| Drivers’ average income | $71,930 |
Local roads carry a significant share of travel in Clarke County, Iowa: 32% of all vehicle-miles. A typical local road sees 2,363 vehicles per day.
Local roads make up 72% of the monitored road miles (105 miles in 1,099 segments) but carry less than their share of travel: 156,538 vehicle-miles traveled per day (≈57.1 million per year). Trucks make up 9.1% of non-highway traffic, about 1 in 11 vehicles.
Compared to highways, non-highway routes see 63% fewer trucks by share.
At 64% lower than the state level, the non-highway congestion ratio of 4.0% signals easier movement on local roads.
Clarke's average driver income is higher than 52% of counties in Iowa. Clarke's median driver age is lower than 77% of counties in Iowa.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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