
Total Traffic Volume & Performance in Arenac County, Michigan
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day4,708 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 43.6 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. | 55.1 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $55,743 |
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A typical monitored road in Arenac County, Michigan sees 4,708 vehicles per day, while its 168 miles of monitored roads together handle 812,399 vehicle-miles traveled per day (≈297 million per year). Trucks are 9.5% of traffic, more than the 7.7% across Michigan.
The longest trips of any county in Michigan
Arenac's average daily traffic volume is 39% lower than the state average - 4,708 vehicles per day against 7,697 - suggesting less traffic load per road - less drive-by exposure for retail, but easier access for deliveries. In total volume terms, its road network carries about 0.4% of Michigan's statewide total of vehicle-miles. Arenac carries more traffic than 68% of counties in Michigan.
At 43.6 minutes, the average travel time is 30% higher than the state level. At 43.6 minutes, Arenac also has the highest average travel time in Michigan.
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 Arenac County, Michigan
| Traffic | vehicles per day9,106 |
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| Trucks | 10.6% |
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| Average travel time | 50.9 min |
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| Congestion ratio | 14.7% |
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| Drivers’ average age | 55.3 yrs |
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| Drivers’ average income | $55,608 |
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Most travel in Arenac County, Michigan happens on highways, 78% of all vehicle-miles. The average highway carries 9,106 vehicles per day, 304% more than the average non-highway road in the same area, which carries 2,255 vehicles per day.
Highways make up 42% of the monitored road miles (70 miles, 578 segments), so they carry more than their share: 630,566 vehicle-miles traveled per day (≈230 million per year).
56% of counties in Michigan move less traffic on their highways.
A typical mix of freight and passenger traffic
At 10.6%, highway truck share is 12% lower than the state average. The highway traffic mix is typical for Michigan: neither freight- nor commuter-dominated.
60% of counties in Michigan see a higher highway truck share than Arenac's 10.6%. 52% of counties in Michigan see fewer highway trucks per day than Arenac's roughly 963.

Non-highway Traffic in Arenac County, Michigan
| Traffic | vehicles per day2,255 |
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| Trucks | 5.6% |
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| Average travel time | 39.5 min |
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| Congestion ratio | 6.1% |
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| Drivers’ average age | 53.6 yrs |
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| Drivers’ average income | $56,042 |
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At 22% of vehicle-miles, local roads carry a smaller share of the traffic in Arenac County, Michigan than highways. The average non-highway road carries 2,255 vehicles per day.
Local roads make up 58% of the monitored road miles (98 miles in 1,036 segments) but carry less than their share of travel: 181,833 vehicle-miles traveled per day (≈66.4 million per year). Trucks make up 5.6% of non-highway traffic, about 1 in 18 vehicles.
Local congestion 67% below the Michigan average
Non-highway roads carry a truck concentration that's 47% lower than the highway network.
The non-highway congestion ratio of 6.1% is 67% lower than the state level, suggesting more efficient local mobility than the state average.
Arenac's average driver income is lower than 82% of counties in Michigan. Arenac's median driver age is higher than 79% of counties in Michigan.