
Total Traffic Volume & Performance in Washington County, Minnesota
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day4,571 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 6.7% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 29.7 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. | 13.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 46.2 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $123,767 |
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Our data shows 4,571 vehicles per day on the average road in Washington County, Minnesota, and 5,429,768 vehicle-miles traveled per day (≈2.0 billion per year) across its 762 miles of monitored roads. About 1 in 15 vehicles is a truck, fewer than the 1 in 12 across Minnesota.
Shorter trips than 98% of counties in Minnesota
Washington sees 34% higher average daily traffic volume than the state average (4,571 vehicles per day against 3,404), suggesting more demand on each road - more exposure for roadside businesses, and more competition for road space. Network-wide, Washington accounts for about 3.9% of Minnesota's statewide total of vehicle-miles. 95% of counties in Minnesota see less traffic than Washington's 4,571 vehicles per day.
The average trip takes 29.7 minutes, 8% lower than the state level. On travel time, Washington runs shorter than 98% of counties in Minnesota.
At 24% higher than the state level, the 13.2% congestion ratio signals more pronounced congestion - relevant for traffic control and delivery planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Washington County, Minnesota
| Traffic | vehicles per day24,185 |
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| Trucks | 9.0% |
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| Average travel time | 37.2 min |
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| Congestion ratio | 40.2% |
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| Drivers’ average age | 46.0 yrs |
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| Drivers’ average income | $112,501 |
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Highways carry about half of all travel in Washington County, Minnesota, 49% of vehicle-miles. The average highway carries 24,185 vehicles per day, 491% more than the average non-highway road in the same area, which carries 4,089 vehicles per day.
Yet highways are only 14% of the road network, 108 miles in 384 segments, so each mile of them is 3.4 times as busy as the average road mile.
That puts Washington among the top 5 counties in Minnesota for highway travel volume.
More highway trucks than 95% of counties in Minnesota
The concentration of trucks on highways (9.0%) is 12% lower than the state average for similar road classifications. The highway traffic mix is typical for Minnesota: neither freight- nor commuter-dominated.
By truck concentration, highways here trail 84% of counties in Minnesota. Washington's highway truck count is higher than 95% of counties in Minnesota, at roughly 2,184 trucks per day.

Non-highway Traffic in Washington County, Minnesota
| Traffic | vehicles per day4,089 |
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| Trucks | 4.5% |
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| Average travel time | 29.5 min |
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| Congestion ratio | 12.5% |
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| Drivers’ average age | 46.4 yrs |
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| Drivers’ average income | $131,740 |
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Local roads carry about half of all travel in Washington County, Minnesota, 51% of vehicle-miles. A typical local road sees 4,089 vehicles per day.
Spread over 654 miles and 15,608 segments, 86% of the road network, local roads carry a lighter load per mile: 2,777,716 vehicle-miles traveled per day (≈1.0 billion per year). About 1 in 22 vehicles on non-highway roads is a truck (4.5%).
Drivers from higher-income areas than 98% of counties in Minnesota
The concentration of trucks on non-highway roads is 50% lower than on highways.
The non-highway congestion ratio of 12.5% is 29% higher than the state level, suggesting slower local mobility than the state average.
Trip origins here have higher average income than 98% of counties in Minnesota. The driver population here skews younger than 73% of counties in Minnesota.