
Total Traffic Volume & Performance in Milwaukee County, Wisconsin
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day7,638 |
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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. | 32.2 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. | 23.3% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 45.0 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $81,216 |
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The average monitored road in Milwaukee County, Wisconsin carries 7,638 vehicles per day. Across its 1,315 miles of monitored roads, that adds up to 14,370,710 vehicle-miles traveled per day (≈5.2 billion per year). About 1 in 15 vehicles is a truck, fewer than the 1 in 10 across Wisconsin.
The busiest roads of any county in Wisconsin
Milwaukee's average daily traffic volume is 101% higher than the state average - 7,638 vehicles per day against 3,802 - suggesting more traffic load per road - heavy exposure for roadside retail, and tight road space for deliveries. In total volume terms, its road network carries about 11% of Wisconsin's statewide total of vehicle-miles. In fact, Milwaukee has the highest average traffic volume of any county in Wisconsin, at 7,638 vehicles per day.
The average trip takes 32.2 minutes, on par with the state level. Its average travel time of 32.2 minutes is shorter than 59% of counties in Wisconsin.
The congestion ratio of 23.3% is 86% higher, pointing to more pronounced congestion than the state level - peak-hour routing and delivery windows need real slack here.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Milwaukee County, Wisconsin
| Traffic | vehicles per day46,644 |
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| Trucks | 9.5% |
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| Average travel time | 34.6 min |
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| Congestion ratio | 66.9% |
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| Drivers’ average age | 46.1 yrs |
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| Drivers’ average income | $89,680 |
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A significant share of driving in Milwaukee County, Wisconsin, 44% of vehicle-miles, happens on highways. The average highway carries 46,644 vehicles per day, 573% more than the average non-highway road in the same area, which carries 6,935 vehicles per day.
Yet highways are only 11% of the road network, 138 miles in 782 segments, so each mile of them is 4.2 times as busy as the average road mile.
By highway travel volume, Milwaukee ranks first in Wisconsin.
More highway trucks than 96% of counties in Wisconsin
The concentration of trucks on highways (9.5%) is 35% lower than the state average for similar road classifications. Trucks are a small share of a very large highway flow, so Milwaukee still moves heavy freight volumes alongside its passenger traffic.
95% of counties in Wisconsin see a higher highway truck share than Milwaukee's 9.5%. By raw truck volume, Milwaukee carries more highway trucks than 96% of counties in Wisconsin.

Non-highway Traffic in Milwaukee County, Wisconsin
| Traffic | vehicles per day6,935 |
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| Trucks | 4.4% |
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| Average travel time | 32.1 min |
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| Congestion ratio | 22.5% |
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| Drivers’ average age | 43.8 yrs |
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| Drivers’ average income | $76,846 |
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Local roads carry more than half of all travel in Milwaukee County, Wisconsin (56% of vehicle-miles). On the average non-highway road, that comes to 6,935 vehicles per day.
Spread over 1,176 miles and 43,354 segments, 89% of the road network, local roads carry a lighter load per mile: 8,025,613 vehicle-miles traveled per day (≈2.9 billion per year). The truck share on non-highway roads is 4.4%.
Younger drivers than 93% of counties in Wisconsin
The concentration of trucks on non-highway roads is 54% lower than on highways.
Non-highway congestion (22.5%) runs 85% higher than the state average, pointing to slower local traffic flow.
Trip origins here have higher average income than 75% of counties in Wisconsin. The driver population here skews younger than 93% of counties in Wisconsin.