
Total Traffic Volume & Performance in Iosco County, Michigan
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,444 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 6.4% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 35.8 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. | 9.7% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 58.6 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $50,595 |
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The average monitored road in Iosco County, Michigan carries 3,444 vehicles per day. Across its 202 miles of monitored roads, that adds up to 515,431 vehicle-miles traveled per day (≈188 million per year). Trucks are a smaller part of the mix than across Michigan: 6.4% against 7.7%.
Longer trips than 79% of counties in Michigan
Iosco sees 55% lower average daily traffic volume than the state average (3,444 vehicles per day against 7,697), suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. Network-wide, Iosco accounts for about 0.2% of Michigan's statewide total of vehicle-miles. By volume, Iosco's 3,444 vehicles per day trails 61% of counties in Michigan.
The average trip takes 35.8 minutes, 7% higher than the state level. On travel time, Iosco runs longer than 79% of counties in Michigan.
Congestion runs 48% lower than the state level, at a ratio of 9.7%, which means smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Iosco County, Michigan
| Traffic | vehicles per day6,774 |
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| Trucks | 7.5% |
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| Average travel time | 30.7 min |
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| Congestion ratio | 13.6% |
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| Drivers’ average age | 58.5 yrs |
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| Drivers’ average income | $50,902 |
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A significant share of driving in Iosco County, Michigan, 35% of vehicle-miles, happens on highways. The average highway carries 6,774 vehicles per day, 185% more than the average non-highway road in the same area, which carries 2,378 vehicles per day.
Highways make up 14% of the monitored road miles (29 miles, 458 segments), so they carry more than their share: 181,589 vehicle-miles traveled per day (≈66.3 million per year).
Lower highway truck share than 96% of counties in Michigan
Highway truck concentration here runs 37% lower than the state average, at 7.5%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
By truck concentration, highways here trail 96% of counties in Michigan. By raw truck volume, Iosco carries fewer highway trucks than 82% of counties in Michigan.

Non-highway Traffic in Iosco County, Michigan
| Traffic | vehicles per day2,378 |
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| Trucks | 5.8% |
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| Average travel time | 37.5 min |
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| Congestion ratio | 8.4% |
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| Drivers’ average age | 58.9 yrs |
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| Drivers’ average income | $50,329 |
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A little more than half of the driving in Iosco County, Michigan happens on local roads: 65% of all vehicle-miles. A typical local road sees 2,378 vehicles per day.
Spread over 173 miles and 1,430 segments, 86% of the road network, local roads carry a lighter load per mile: 333,842 vehicle-miles traveled per day (≈122 million per year). About 1 in 17 vehicles on non-highway roads is a truck (5.8%).
Drivers from lower-income areas than 98% of counties in Michigan
Non-highway roads carry a truck concentration that's 23% lower than the highway network.
At 54% lower than the state level, the non-highway congestion ratio of 8.4% signals easier movement on local roads.
Iosco's average driver income is lower than 98% of counties in Michigan. The driver population here skews older than 96% of counties in Michigan.