
Total Traffic Volume & Performance in McHenry County, North Dakota
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day789 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 12.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 39.7 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. | 3.9% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 45.0 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $79,561 |
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Our data shows 789 vehicles per day on the average road in McHenry County, North Dakota, and 200,582 vehicle-miles traveled per day (≈73.2 million per year) across its 298 miles of monitored roads. Trucks are 12.5% of traffic, close to the 11.1% across North Dakota.
Traffic 64% below the North Dakota average
At 789 vehicles per day, the average monitored road in McHenry carries 64% less traffic than the state average of 2,174, suggesting less demand on each road - quiet roads that suit freight movement more than drive-by retail. In total volume terms, its road network carries about 1.1% of North Dakota's statewide total of vehicle-miles. By volume, McHenry's 789 vehicles per day trails 56% of counties in North Dakota.
The average trip takes 39.7 minutes, 7% higher than the state level. On travel time, McHenry runs longer than 54% of counties in North Dakota.
At 63% lower than the state level, the 3.9% congestion ratio signals smoother traffic flow - delays are rare enough to plan travel times almost to the minute.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in McHenry County, North Dakota
| Traffic | vehicles per day1,292 |
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| Trucks | 13.8% |
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| Average travel time | 48.0 min |
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| Congestion ratio | 3.4% |
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| Drivers’ average age | 44.3 yrs |
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| Drivers’ average income | $79,944 |
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A little more than half of the driving in McHenry County, North Dakota happens on highways: 69% of all vehicle-miles. The average highway carries 1,292 vehicles per day, 149% more than the average non-highway road in the same area, which carries 520 vehicles per day.
Highways make up 41% of the monitored road miles (123 miles, 495 segments), so they carry more than their share: 137,639 vehicle-miles traveled per day (≈50.2 million per year).
That is more highway travel volume than 56% of counties in North Dakota.
Fewer highway trucks than 82% of counties in North Dakota
At 13.8%, the highway truck share matches the state average for similar road classifications. The highway traffic mix is typical for North Dakota: neither freight- nor commuter-dominated.
McHenry's highway truck share (13.8%) is lower than 71% of counties in North Dakota. By raw truck volume, McHenry carries fewer highway trucks than 82% of counties in North Dakota.

Non-highway Traffic in McHenry County, North Dakota
| Traffic | vehicles per day520 |
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| Trucks | 9.4% |
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| Average travel time | 35.3 min |
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| Congestion ratio | 4.2% |
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| Drivers’ average age | 50.6 yrs |
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| Drivers’ average income | $78,935 |
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A significant share of driving in McHenry County, North Dakota, 31% of vehicle-miles, happens on local roads. A typical local road sees 520 vehicles per day.
Local roads make up 59% of the monitored road miles (175 miles in 927 segments) but carry less than their share of travel: 62,943 vehicle-miles traveled per day (≈23.0 million per year). The truck share on non-highway roads is 9.4%.
Local congestion 61% below the North Dakota average
Non-highway roads carry a truck concentration that's 32% lower than the highway network.
At 61% lower than the state level, the non-highway congestion ratio of 4.2% signals easier movement on local roads.
McHenry's average driver income is higher than 56% of counties in North Dakota. 74% of counties in North Dakota have an older driver population than McHenry.