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Traffic | vehicles per day1,826 |
|---|---|
Trucks | 10.4% |
Average travel time | 32.0 min |
Congestion ratio | 7.7% |
Drivers’ average age | 47.2 yrs |
Drivers’ average income | $76,755 |
A typical monitored road in Washington County, Iowa sees 1,826 vehicles per day, while its 310 miles of monitored roads together handle 648,072 vehicle-miles traveled per day (≈237 million per year). About 1 in 10 vehicles is a truck, in line with Iowa (11.0%).
Washington's average daily traffic volume is 40% lower than the state average - 1,826 vehicles per day against 3,042 - suggesting less traffic load per road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Washington accounts for about 0.8% of Iowa's statewide total of vehicle-miles. By volume, Washington's 1,826 vehicles per day outpaces 58% of counties in Iowa.
The average trip takes 32.0 minutes, on par with the state level. Its average travel time of 32.0 minutes is shorter than 74% of counties in Iowa.
The congestion ratio of 7.7% is 32% lower, pointing to smoother traffic flow than the state level - fewer delays make delivery windows more reliable.
| Traffic | vehicles per day5,335 |
|---|---|
| Trucks | 13.4% |
| Average travel time | 51.2 min |
| Congestion ratio | 12.1% |
| Drivers’ average age | 44.8 yrs |
| Drivers’ average income | $80,559 |
Highways carry about half of all travel in Washington County, Iowa, 45% of vehicle-miles. The average highway carries 5,335 vehicles per day, 212% more than the average non-highway road in the same area, which carries 1,710 vehicles per day.
With 17% of the road miles (51 miles in 111 segments), highways punch above their length, carrying 293,542 vehicle-miles traveled per day (≈107 million per year).
The concentration of trucks on highways (13.4%) is 17% lower than the state average for similar road classifications. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
By truck concentration, highways here trail 65% of counties in Iowa. 51% of counties in Iowa see fewer highway trucks per day than Washington's roughly 713.
| Traffic | vehicles per day1,710 |
|---|---|
| Trucks | 7.9% |
| Average travel time | 31.4 min |
| Congestion ratio | 7.6% |
| Drivers’ average age | 48.5 yrs |
| Drivers’ average income | $75,297 |
Local roads carry about half of all travel in Washington County, Iowa, 55% of vehicle-miles. A typical local road sees 1,710 vehicles per day.
Local roads make up 83% of the monitored road miles (259 miles in 3,363 segments) but carry less than their share of travel: 354,530 vehicle-miles traveled per day (≈129 million per year). About 1 in 13 vehicles on non-highway roads is a truck (7.9%).
The concentration of trucks on non-highway roads is 41% lower than on highways.
Non-highway congestion (7.6%) runs 32% lower than the state average, pointing to smoother local traffic flow.
Trip origins here have higher average income than 64% of counties in Iowa. Washington's median driver age is lower than 80% 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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