
Total Traffic Volume & Performance in Roscommon County, Michigan
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,856 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.0% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 30.3 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. | 9.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 58.8 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $56,997 |
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The average monitored road in Roscommon County, Michigan carries 2,856 vehicles per day. Across its 307 miles of monitored roads, that adds up to 949,722 vehicle-miles traveled per day (≈347 million per year). At 9.0%, the truck share runs above the 7.7% across Michigan: about 1 in 11 vehicles.
Shorter trips than 90% of counties in Michigan
Roscommon's average daily traffic volume is 63% lower than the state average - 2,856 vehicles per day against 7,697 - suggesting less traffic load per road - very light roads: easy truck access, but little passing trade for roadside retail. Across the whole network, that travel is about 0.4% of Michigan's statewide total. By volume, Roscommon's 2,856 vehicles per day trails 79% of counties in Michigan.
Journey times run 10% lower than the state level, at 30.3 minutes on average. 90% of counties in Michigan have a longer average travel time than Roscommon's 30.3 minutes.
At 50% lower than the state level, the 9.2% congestion ratio signals smoother traffic flow - delays are rare enough to plan travel times almost to the minute.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Roscommon County, Michigan
| Traffic | vehicles per day5,240 |
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| Trucks | 11.9% |
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| Average travel time | 59.8 min |
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| Congestion ratio | 11.7% |
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| Drivers’ average age | 57.5 yrs |
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| Drivers’ average income | $58,343 |
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A little more than half of the driving in Roscommon County, Michigan happens on highways: 60% of all vehicle-miles. The average highway carries 5,240 vehicles per day, 91% more than the average non-highway road in the same area, which carries 2,737 vehicles per day.
With 34% of the road miles (103 miles in 120 segments), highways punch above their length, carrying 566,083 vehicle-miles traveled per day (≈207 million per year).
52% of counties in Michigan move less traffic on their highways.
Higher highway truck share than 66% of counties in Michigan
The concentration of trucks on highways (11.9%) is in line with the state average for similar road classifications. The highway traffic mix is typical for Michigan: neither freight- nor commuter-dominated.
66% of counties in Michigan see a lower highway truck share than Roscommon's 11.9%. By raw truck volume, Roscommon carries fewer highway trucks than 62% of counties in Michigan.

Non-highway Traffic in Roscommon County, Michigan
| Traffic | vehicles per day2,737 |
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| Trucks | 4.7% |
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| Average travel time | 28.9 min |
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| Congestion ratio | 9.1% |
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| Drivers’ average age | 59.0 yrs |
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| Drivers’ average income | $56,631 |
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Local roads carry a significant share of travel in Roscommon County, Michigan: 40% of all vehicle-miles. On the average non-highway road, that comes to 2,737 vehicles per day.
Local roads make up 66% of the monitored road miles (204 miles in 2,399 segments) but carry less than their share of travel: 383,639 vehicle-miles traveled per day (≈140 million per year). Trucks make up 4.7% of non-highway traffic, about 1 in 21 vehicles.
Older drivers than 98% of counties in Michigan
Compared to highways, non-highway routes see 60% fewer trucks by share.
The non-highway congestion ratio of 9.1% is 50% lower than the state level, suggesting more efficient local mobility than the state average.
80% of counties in Michigan see higher average driver income among trip origins than Roscommon. Roscommon's median driver age is higher than 98% of counties in Michigan.