
Total Traffic Volume & Performance in Oakland County, Michigan
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day14,065 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 5.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 33.4 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. | 27.7% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.3 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $114,326 |
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A typical monitored road in Oakland County, Michigan sees 14,065 vehicles per day, while its 1,696 miles of monitored roads together handle 27,446,942 vehicle-miles traveled per day (≈10.0 billion per year). About 1 in 18 vehicles is a truck, fewer than the 1 in 13 across Michigan.
Busier roads than 99% of counties in Michigan
Oakland sees 83% higher average daily traffic volume than the state average (14,065 vehicles per day against 7,697), suggesting more demand on each road - prime passing trade for storefronts, with more competition for road space. In total volume terms, its road network carries about 12% of Michigan's statewide total of vehicle-miles. Oakland carries more traffic than 99% of counties in Michigan.
At 33.4 minutes, the average travel time matches the state level closely. On travel time, Oakland runs shorter than 52% of counties in Michigan.
The congestion ratio of 27.7% is 50% higher, pointing to more pronounced congestion than the state level - expect markedly slower peak-hour deliveries and unreliable arrival times.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Oakland County, Michigan
| Traffic | vehicles per day34,080 |
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| Trucks | 8.7% |
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| Average travel time | 39.9 min |
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| Congestion ratio | 39.8% |
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| Drivers’ average age | 47.8 yrs |
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| Drivers’ average income | $107,363 |
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A significant share of driving in Oakland County, Michigan, 36% of vehicle-miles, happens on highways. The average highway carries 34,080 vehicles per day, 149% more than the average non-highway road in the same area, which carries 13,670 vehicles per day.
Highways make up 14% of the monitored road miles (244 miles, 1,448 segments), so they carry more than their share: 9,855,409 vehicle-miles traveled per day (≈3.6 billion per year).
By highway travel volume, that ranks Oakland in the top 3 counties in Michigan.
More highway trucks than 93% of counties in Michigan
The concentration of trucks on highways (8.7%) is 27% lower than the state average for similar road classifications. Trucks are a small share of a very large highway flow, so Oakland still moves heavy freight volumes alongside its passenger traffic.
80% of counties in Michigan see a higher highway truck share than Oakland's 8.7%. Oakland's highway truck count is higher than 93% of counties in Michigan, at roughly 2,958 trucks per day.

Non-highway Traffic in Oakland County, Michigan
| Traffic | vehicles per day13,670 |
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| Trucks | 3.7% |
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| Average travel time | 33.3 min |
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| Congestion ratio | 27.5% |
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| Drivers’ average age | 48.4 yrs |
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| Drivers’ average income | $116,738 |
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A little more than half of the driving in Oakland County, Michigan happens on local roads: 64% of all vehicle-miles. A typical local road sees 13,670 vehicles per day.
Local roads make up 86% of the monitored road miles (1,451 miles in 73,216 segments) but carry less than their share of travel: 17,591,532 vehicle-miles traveled per day (≈6.4 billion per year). Trucks make up 3.7% of non-highway traffic, about 1 in 27 vehicles.
The highest driver income of any county in Michigan
Compared to highways, non-highway routes see 58% fewer trucks by share.
At 51% higher than the state level, the non-highway congestion ratio of 27.5% signals more friction on local roads.
Oakland also has the highest average driver income in Michigan among trip origins - $114,326. Oakland's median driver age is lower than 71% of counties in Michigan.