
Total Traffic Volume & Performance in Ingham County, Michigan
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day7,138 |
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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. | 36.2 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. | 21.5% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 41.6 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $77,332 |
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The average monitored road in Ingham County, Michigan carries 7,138 vehicles per day. Across its 722 miles of monitored roads, that adds up to 5,103,790 vehicle-miles traveled per day (≈1.9 billion per year). Trucks are 7.1% of traffic, close to the 7.7% across Michigan.
Busier roads than 89% of counties in Michigan
Ingham's average daily traffic volume is 7% lower than the state average - 7,138 vehicles per day against 7,697. Across the whole network, that travel is about 2.3% of Michigan's statewide total. Ingham carries more traffic than 89% of counties in Michigan.
At 36.2 minutes, the average travel time is 8% higher than the state level. 81% of counties in Michigan have a shorter average travel time than Ingham's 36.2 minutes.
Congestion runs 16% higher than the state level, at a ratio of 21.5%, which means more pronounced congestion - relevant for traffic control and delivery planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Ingham County, Michigan
| Traffic | vehicles per day19,920 |
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| Trucks | 11.6% |
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| Average travel time | 46.7 min |
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| Congestion ratio | 47.4% |
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| Drivers’ average age | 44.1 yrs |
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| Drivers’ average income | $83,459 |
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Highways carry a significant share of travel in Ingham County, Michigan: 41% of all vehicle-miles. The average highway carries 19,920 vehicles per day, 187% more than the average non-highway road in the same area, which carries 6,936 vehicles per day.
Highways make up 15% of the monitored road miles (111 miles, 318 segments), so they carry more than their share: 2,101,116 vehicle-miles traveled per day (≈767 million per year).
By highway travel volume, Ingham outranks 86% of counties in Michigan.
More highway trucks than 81% of counties in Michigan
Highway truck concentration here (11.6%) closely tracks the state average for similar road classifications. The highway traffic mix is typical for Michigan: neither freight- nor commuter-dominated.
By truck concentration, highways here outrank 62% of counties in Michigan. 81% of counties in Michigan see fewer highway trucks per day than Ingham's roughly 2,301.

Non-highway Traffic in Ingham County, Michigan
| Traffic | vehicles per day6,936 |
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| Trucks | 4.1% |
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| Average travel time | 36.0 min |
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| Congestion ratio | 21.1% |
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| Drivers’ average age | 41.1 yrs |
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| Drivers’ average income | $74,995 |
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A little more than half of the driving in Ingham County, Michigan happens on local roads: 59% of all vehicle-miles. The average non-highway road carries 6,936 vehicles per day.
Spread over 611 miles and 20,084 segments, 85% of the road network, local roads carry a lighter load per mile: 3,002,673 vehicle-miles traveled per day (≈1.1 billion per year). Trucks make up 4.1% of non-highway traffic, about 1 in 25 vehicles.
Younger drivers than 98% of counties in Michigan
The concentration of trucks on non-highway roads is 65% lower than on highways.
Non-highway congestion (21.1%) runs 15% higher than the state average, pointing to slower local traffic flow.
Ingham's average driver income is higher than 78% of counties in Michigan. Ingham's median driver age is lower than 98% of counties in Michigan.