
Total Traffic Volume & Performance in Mason County, Michigan
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day4,570 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 7.1% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 30.7 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. | 14.4% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 54.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $64,163 |
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Our data shows 4,570 vehicles per day on the average road in Mason County, Michigan, and 730,505 vehicle-miles traveled per day (≈267 million per year) across its 230 miles of monitored roads. Trucks are 7.1% of traffic, close to the 7.7% across Michigan.
Shorter trips than 89% of counties in Michigan
Mason's average daily traffic volume is 41% lower than the state average - 4,570 vehicles per day against 7,697 - suggesting less traffic load per road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Mason accounts for about 0.3% of Michigan's statewide total of vehicle-miles. By volume, Mason's 4,570 vehicles per day outpaces 66% of counties in Michigan.
At 30.7 minutes, the average travel time is 9% lower than the state level. 89% of counties in Michigan have a longer average travel time than Mason's 30.7 minutes.
The congestion ratio of 14.4% is 22% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Mason County, Michigan
| Traffic | vehicles per day8,685 |
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| Trucks | 9.5% |
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| Average travel time | 36.6 min |
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| Congestion ratio | 16.3% |
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| Drivers’ average age | 54.1 yrs |
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| Drivers’ average income | $65,215 |
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A significant share of driving in Mason County, Michigan, 38% of vehicle-miles, happens on highways. The average highway carries 8,685 vehicles per day, 110% more than the average non-highway road in the same area, which carries 4,131 vehicles per day.
With 19% of the road miles (43 miles in 188 segments), highways punch above their length, carrying 280,170 vehicle-miles traveled per day (≈102 million per year).
Lower highway truck share than 73% of counties in Michigan
Highway truck concentration here runs 21% lower than the state average, at 9.5%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
73% of counties in Michigan see a higher highway truck share than Mason's 9.5%. By raw truck volume, Mason carries fewer highway trucks than 67% of counties in Michigan.

Non-highway Traffic in Mason County, Michigan
| Traffic | vehicles per day4,131 |
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| Trucks | 5.5% |
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| Average travel time | 30.1 min |
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| Congestion ratio | 14.2% |
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| Drivers’ average age | 54.6 yrs |
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| Drivers’ average income | $63,696 |
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A little more than half of the driving in Mason County, Michigan happens on local roads: 62% of all vehicle-miles. A typical local road sees 4,131 vehicles per day.
Spread over 187 miles and 1,763 segments, 81% of the road network, local roads carry a lighter load per mile: 450,335 vehicle-miles traveled per day (≈164 million per year). Trucks make up 5.5% of non-highway traffic, about 1 in 18 vehicles.
Older drivers than 74% of counties in Michigan
Non-highway roads carry a truck concentration that's 42% lower than the highway network.
The non-highway congestion ratio of 14.2% is 22% lower than the state level, suggesting more efficient local mobility than the state average.
Mason's average driver income is lower than 55% of counties in Michigan. Mason's median driver age is higher than 74% of counties in Michigan.