
Total Traffic Volume & Performance in Hillsdale County, Michigan
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day3,137 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 6.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 33.5 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. | 10.0% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 49.5 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $63,442 |
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The average monitored road in Hillsdale County, Michigan carries 3,137 vehicles per day. Across its 344 miles of monitored roads, that adds up to 866,830 vehicle-miles traveled per day (≈316 million per year). Trucks are a smaller part of the mix than across Michigan: 6.5% against 7.7%.
Traffic 59% below the Michigan average
Hillsdale's average daily traffic volume is 59% lower than the state average - 3,137 vehicles per day against 7,697 - suggesting less traffic load per road - quiet roads that suit freight movement more than drive-by retail. Network-wide, Hillsdale accounts for about 0.4% of Michigan's statewide total of vehicle-miles. Hillsdale carries less traffic than 70% of counties in Michigan.
Journey times here (33.5 minutes on average) closely track the state level. 51% of counties in Michigan have a longer average travel time than Hillsdale's 33.5 minutes.
At 46% lower than the state level, the 10.0% congestion ratio signals smoother traffic flow - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Hillsdale County, Michigan
| Traffic | vehicles per day11,038 |
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| Trucks | 9.8% |
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| Average travel time | 41.8 min |
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| Congestion ratio | 25.2% |
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| Drivers’ average age | 50.1 yrs |
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| Drivers’ average income | $77,710 |
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Highways play a minor role in Hillsdale County, Michigan, carrying just 1% of all vehicle-miles. The average highway carries 11,038 vehicles per day, 255% more than the average non-highway road in the same area, which carries 3,108 vehicles per day.
That comes from just less than 1% of the monitored road miles: 1 miles in 8 segments, carrying 6,525 vehicle-miles traveled per day (≈2.4 million per year).
Lower highway truck share than 67% of counties in Michigan
The concentration of trucks on highways (9.8%) is 18% lower than the state average for similar road classifications. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
Hillsdale's highway truck share (9.8%) is lower than 67% of counties in Michigan. 60% of counties in Michigan see fewer highway trucks per day than Hillsdale's roughly 1,079.

Non-highway Traffic in Hillsdale County, Michigan
| Traffic | vehicles per day3,108 |
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| Trucks | 6.4% |
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| Average travel time | 33.5 min |
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| Congestion ratio | 9.9% |
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| Drivers’ average age | 49.5 yrs |
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| Drivers’ average income | $63,329 |
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Local roads carry nearly all of the traffic in Hillsdale County, Michigan, 99% of all vehicle-miles. A typical local road sees 3,108 vehicles per day.
Their share of road miles is similar, 100% (343 miles in 2,183 segments), carrying 860,305 vehicle-miles traveled per day (≈314 million per year). The truck share on non-highway roads is 6.4%.
Local congestion 46% below the Michigan average
Compared to highways, non-highway routes see 34% fewer trucks by share.
At 46% lower than the state level, the non-highway congestion ratio of 9.9% signals easier movement on local roads.
Trip origins here have lower average income than 59% of counties in Michigan. The driver population here skews younger than 59% of counties in Michigan.