
Total Traffic Volume & Performance in Kent County, Michigan
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day9,240 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 6.8% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 31.4 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. | 23.7% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 43.3 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $93,107 |
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Our data shows 9,240 vehicles per day on the average road in Kent County, Michigan, and 14,168,810 vehicle-miles traveled per day (≈5.2 billion per year) across its 1,399 miles of monitored roads. Trucks are 6.8% of traffic, close to the 7.7% across Michigan.
Busier roads than 95% of counties in Michigan
At 9,240 vehicles per day, the average monitored road in Kent carries 20% more traffic than the state average of 7,697, suggesting more demand on each road - a critical factor for logistics and site planning. In total volume terms, its road network carries about 6.4% of Michigan's statewide total of vehicle-miles. Kent carries more traffic than 95% of counties in Michigan.
The average trip takes 31.4 minutes, 7% lower than the state level. Its average travel time of 31.4 minutes is shorter than 80% of counties in Michigan.
The congestion ratio of 23.7% is 29% higher, pointing to more pronounced congestion than the state level - a factor for delivery windows and signal timing.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Kent County, Michigan
| Traffic | vehicles per day22,137 |
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| Trucks | 11.1% |
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| Average travel time | 38.0 min |
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| Congestion ratio | 45.2% |
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| Drivers’ average age | 43.6 yrs |
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| Drivers’ average income | $89,625 |
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A significant share of driving in Kent County, Michigan, 39% of vehicle-miles, happens on highways. The average highway carries 22,137 vehicles per day, 151% more than the average non-highway road in the same area, which carries 8,811 vehicles per day.
With 17% of the road miles (235 miles in 1,398 segments), highways punch above their length, carrying 5,551,886 vehicle-miles traveled per day (≈2.0 billion per year).
That puts Kent among the top 3 counties in Michigan for highway travel volume.
More highway trucks than 85% of counties in Michigan
The concentration of trucks on highways (11.1%) is 8% lower than 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 trail 53% of counties in Michigan. 85% of counties in Michigan see fewer highway trucks per day than Kent's roughly 2,448.

Non-highway Traffic in Kent County, Michigan
| Traffic | vehicles per day8,811 |
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| Trucks | 4.1% |
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| Average travel time | 31.1 min |
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| Congestion ratio | 23.0% |
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| Drivers’ average age | 43.2 yrs |
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| Drivers’ average income | $94,903 |
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A little more than half of the driving in Kent County, Michigan happens on local roads: 61% of all vehicle-miles. A typical local road sees 8,811 vehicles per day.
Local roads make up 83% of the monitored road miles (1,164 miles in 41,988 segments) but carry less than their share of travel: 8,616,924 vehicle-miles traveled per day (≈3.1 billion per year). The truck share on non-highway roads is 4.1%.
Drivers from higher-income areas than 94% of counties in Michigan
Compared to highways, non-highway routes see 63% fewer trucks by share.
The non-highway congestion ratio of 23.0% is 26% higher than the state level, suggesting slower local mobility than the state average.
Kent's average driver income is higher than 94% of counties in Michigan. 94% of counties in Michigan have an older driver population than Kent.