
Total Traffic Volume & Performance in Bay County, Michigan
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day5,817 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 7.6% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 32.8 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. | 15.0% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 49.4 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $68,908 |
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A typical monitored road in Bay County, Michigan sees 5,817 vehicles per day, while its 491 miles of monitored roads together handle 2,869,839 vehicle-miles traveled per day (≈1.0 billion per year). About 1 in 13 vehicles is a truck, in line with Michigan (7.7%).
Busier roads than 84% of counties in Michigan
Bay sees 24% lower average daily traffic volume than the state average (5,817 vehicles per day against 7,697), suggesting less demand on each road - a critical factor for logistics and site planning. Network-wide, Bay accounts for about 1.3% of Michigan's statewide total of vehicle-miles. By volume, Bay's 5,817 vehicles per day outpaces 84% of counties in Michigan.
Journey times here (32.8 minutes on average) closely track the state level. Its average travel time of 32.8 minutes is shorter than 62% of counties in Michigan.
The congestion ratio of 15.0% is 19% 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 Bay County, Michigan
| Traffic | vehicles per day12,845 |
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| Trucks | 11.3% |
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| Average travel time | 46.1 min |
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| Congestion ratio | 26.0% |
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| Drivers’ average age | 49.2 yrs |
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| Drivers’ average income | $73,275 |
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Highways carry about half of all travel in Bay County, Michigan, 46% of vehicle-miles. The average highway carries 12,845 vehicles per day, 130% more than the average non-highway road in the same area, which carries 5,575 vehicles per day.
With 20% of the road miles (96 miles in 255 segments), highways punch above their length, carrying 1,332,495 vehicle-miles traveled per day (≈486 million per year).
75% of counties in Michigan move less traffic on their highways.
More highway trucks than 70% of counties in Michigan
The concentration of trucks on highways (11.3%) is 5% 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 outrank 53% of counties in Michigan. 70% of counties in Michigan see fewer highway trucks per day than Bay's roughly 1,454.

Non-highway Traffic in Bay County, Michigan
| Traffic | vehicles per day5,575 |
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| Trucks | 4.4% |
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| Average travel time | 32.3 min |
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| Congestion ratio | 14.6% |
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| Drivers’ average age | 49.5 yrs |
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| Drivers’ average income | $66,959 |
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Local roads carry about half of all travel in Bay County, Michigan, 54% of vehicle-miles. A typical local road sees 5,575 vehicles per day.
Spread over 395 miles and 7,405 segments, 80% of the road network, local roads carry a lighter load per mile: 1,537,344 vehicle-miles traveled per day (≈561 million per year). The truck share on non-highway roads is 4.4%.
Local roads carry 61% fewer trucks by share than highways
Non-highway roads carry a truck concentration that's 61% lower than the highway network.
Non-highway congestion (14.6%) runs 20% lower than the state average, pointing to smoother local traffic flow.
Bay's average driver income is higher than 56% of counties in Michigan. The driver population here skews younger than 60% of counties in Michigan.