
Total Traffic Volume & Performance in Crook County, Wyoming
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day1,113 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 12.6% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 35.9 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. | 3.5% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 51.6 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $74,338 |
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The average monitored road in Crook County, Wyoming carries 1,113 vehicles per day. Across its 339 miles of monitored roads, that adds up to 421,591 vehicle-miles traveled per day (≈154 million per year). Trucks are a smaller part of the mix than across Wyoming: 12.6% against 17.9%.
The quietest roads of any county in Wyoming
Crook's average daily traffic volume is 70% lower than the state average - 1,113 vehicles per day against 3,650 - suggesting less traffic load per road - very light roads: easy truck access, but little passing trade for roadside retail. Network-wide, Crook accounts for about 1.9% of Wyoming's statewide total of vehicle-miles. Crook stands out as having the lowest traffic volume in Wyoming - 1,113 vehicles per day.
Journey times here (35.9 minutes on average) closely track the state level. On travel time, Crook runs longer than 55% of counties in Wyoming.
The congestion ratio of 3.5% is 70% lower, pointing to smoother traffic flow than the state level - free-flowing roads make scheduled deliveries highly predictable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Crook County, Wyoming
| Traffic | vehicles per day1,668 |
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| Trucks | 14.9% |
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| Average travel time | 53.8 min |
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| Drivers’ average age | 50.8 yrs |
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| Drivers’ average income | $76,215 |
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Highways carry more than half of all travel in Crook County, Wyoming (63% of vehicle-miles). The average highway carries 1,668 vehicles per day, 75% more than the average non-highway road in the same area, which carries 954 vehicles per day.
Highways make up 42% of the monitored road miles (144 miles, 282 segments), so they carry more than their share: 267,221 vehicle-miles traveled per day (≈97.5 million per year).
Fewer highway trucks than 84% of counties in Wyoming
Highway truck concentration here runs 36% lower than the state average, at 14.9%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
By truck concentration, highways here trail 53% of counties in Wyoming. By raw truck volume, Crook carries fewer highway trucks than 84% of counties in Wyoming.

Non-highway Traffic in Crook County, Wyoming
| Traffic | vehicles per day954 |
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| Trucks | 8.6% |
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| Average travel time | 30.7 min |
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| Congestion ratio | 3.5% |
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| Drivers’ average age | 53.5 yrs |
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| Drivers’ average income | $72,581 |
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Local roads carry a significant share of travel in Crook County, Wyoming: 37% of all vehicle-miles. A typical local road sees 954 vehicles per day.
Spread over 196 miles and 983 segments, 58% of the road network, local roads carry a lighter load per mile: 154,370 vehicle-miles traveled per day (≈56.3 million per year). The truck share on non-highway roads is 8.6%.
Local congestion 70% below the Wyoming average
The concentration of trucks on non-highway roads is 42% lower than on highways.
At 70% lower than the state level, the non-highway congestion ratio of 3.5% signals easier movement on local roads.
Trip origins here have lower average income than 55% of counties in Wyoming. Crook's median driver age is higher than 68% of counties in Wyoming.