
Total Traffic Volume & Performance in Monroe County, Michigan
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day4,956 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 14.4% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 32.7 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. | 49.1 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $80,104 |
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Our data shows 4,956 vehicles per day on the average road in Monroe County, Michigan, and 4,340,821 vehicle-miles traveled per day (≈1.6 billion per year) across its 657 miles of monitored roads. Freight weighs heavily here: trucks are 14.4% of traffic, against 7.7% across Michigan.
Busier roads than 72% of counties in Michigan
At 4,956 vehicles per day, the average monitored road in Monroe carries 36% less traffic than the state average of 7,697, suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Monroe accounts for about 2.0% of Michigan's statewide total of vehicle-miles. By volume, Monroe's 4,956 vehicles per day outpaces 72% of counties in Michigan.
The average trip takes 32.7 minutes, on par with the state level. On travel time, Monroe runs shorter than 65% of counties in Michigan.
Congestion runs 28% lower than the state level, at a ratio of 13.2%, which means smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Monroe County, Michigan
| Traffic | vehicles per day15,016 |
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| Trucks | 22.1% |
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| Average travel time | 52.5 min |
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| Congestion ratio | 26.1% |
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| Drivers’ average age | 48.3 yrs |
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| Drivers’ average income | $82,030 |
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Highways carry more than half of all travel in Monroe County, Michigan (56% of vehicle-miles). The average highway carries 15,016 vehicles per day, 223% more than the average non-highway road in the same area, which carries 4,654 vehicles per day.
Highways make up 20% of the monitored road miles (132 miles, 464 segments), so they carry more than their share: 2,425,387 vehicle-miles traveled per day (≈885 million per year).
That is more highway travel volume than 88% of counties in Michigan.
More highway trucks than 99% of counties in Michigan
Highway truck concentration here runs 85% higher than the state average, at 22.1%. That marks Monroe as a major freight corridor, where highway access is what logistics operators compete on.
97% of counties in Michigan see a lower highway truck share than Monroe's 22.1%. 99% of counties in Michigan see fewer highway trucks per day than Monroe's roughly 3,323.

Non-highway Traffic in Monroe County, Michigan
| Traffic | vehicles per day4,654 |
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| Trucks | 4.7% |
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| Average travel time | 32.1 min |
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| Congestion ratio | 12.9% |
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| Drivers’ average age | 49.3 yrs |
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| Drivers’ average income | $79,479 |
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A significant share of driving in Monroe County, Michigan, 44% of vehicle-miles, happens on local roads. A typical local road sees 4,654 vehicles per day.
Local roads make up 80% of the monitored road miles (525 miles in 15,489 segments) but carry less than their share of travel: 1,915,434 vehicle-miles traveled per day (≈699 million per year). Trucks make up 4.7% of non-highway traffic, about 1 in 21 vehicles.
Drivers from higher-income areas than 82% of counties in Michigan
Compared to highways, non-highway routes see 79% fewer trucks by share.
The non-highway congestion ratio of 12.9% is 30% lower than the state level, suggesting more efficient local mobility than the state average.
Trip origins here have higher average income than 82% of counties in Michigan. Monroe's median driver age is lower than 66% of counties in Michigan.