
Total Traffic Volume & Performance in Washington County, Wisconsin
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day4,513 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 8.9% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 29.9 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. | 13.1% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 50.3 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $96,541 |
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A typical monitored road in Washington County, Wisconsin sees 4,513 vehicles per day, while its 555 miles of monitored roads together handle 3,229,131 vehicle-miles traveled per day (≈1.2 billion per year). About 1 in 11 vehicles is a truck, in line with Wisconsin (10.2%).
Busier roads than 87% of counties in Wisconsin
Washington's average daily traffic volume is 19% higher than the state average - 4,513 vehicles per day against 3,802 - suggesting more traffic load per road - a factor worth weighing in site selection and logistics planning. In total volume terms, its road network carries about 2.4% of Wisconsin's statewide total of vehicle-miles. 87% of counties in Wisconsin see less traffic than Washington's 4,513 vehicles per day.
At 29.9 minutes, the average travel time is 7% lower than the state level. 85% of counties in Wisconsin have a longer average travel time than Washington's 29.9 minutes.
The congestion ratio of 13.1% is in line with the state level.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Washington County, Wisconsin
| Traffic | vehicles per day15,687 |
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| Trucks | 12.7% |
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| Average travel time | 41.3 min |
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| Congestion ratio | 28.5% |
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| Drivers’ average age | 49.3 yrs |
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| Drivers’ average income | $95,539 |
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Highways carry a significant share of travel in Washington County, Wisconsin: 44% of all vehicle-miles. The average highway carries 15,687 vehicles per day, 261% more than the average non-highway road in the same area, which carries 4,341 vehicles per day.
With 16% of the road miles (87 miles in 159 segments), highways punch above their length, carrying 1,434,234 vehicle-miles traveled per day (≈523 million per year).
82% of counties in Wisconsin move less traffic on their highways.
More highway trucks than 70% of counties in Wisconsin
Highway truck concentration here runs 13% lower than the state average, at 12.7%. The highway traffic mix is typical for Wisconsin: neither freight- nor commuter-dominated.
68% of counties in Wisconsin see a higher highway truck share than Washington's 12.7%. 70% of counties in Wisconsin see fewer highway trucks per day than Washington's roughly 1,998.

Non-highway Traffic in Washington County, Wisconsin
| Traffic | vehicles per day4,341 |
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| Trucks | 5.9% |
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| Average travel time | 29.7 min |
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| Congestion ratio | 12.9% |
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| Drivers’ average age | 50.6 yrs |
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| Drivers’ average income | $96,961 |
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A little more than half of the driving in Washington County, Wisconsin happens on local roads: 56% of all vehicle-miles. On the average non-highway road, that comes to 4,341 vehicles per day.
Spread over 468 miles and 10,337 segments, 84% of the road network, local roads carry a lighter load per mile: 1,794,897 vehicle-miles traveled per day (≈655 million per year). About 1 in 17 vehicles on non-highway roads is a truck (5.9%).
Drivers from higher-income areas than 94% of counties in Wisconsin
Non-highway roads carry a truck concentration that's 54% lower than the highway network.
Non-highway congestion (12.9%) runs slightly higher than the state level (6% higher).
Washington's average driver income is higher than 94% of counties in Wisconsin. Washington's median driver age is higher than 51% of counties in Wisconsin.