
Total Traffic Volume & Performance in Sublette County, Wyoming
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,642 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 11.2% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 30.1 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. | 7.1% |
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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. | $78,007 |
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Our data shows 2,642 vehicles per day on the average road in Sublette County, Wyoming, and 421,624 vehicle-miles traveled per day (≈154 million per year) across its 256 miles of monitored roads. Trucks are a smaller part of the mix than across Wyoming: 11.2% against 17.9%.
Shorter trips than 95% of counties in Wyoming
Sublette sees 28% lower average daily traffic volume than the state average (2,642 vehicles per day against 3,650), suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. Across the whole network, that travel is about 1.9% of Wyoming's statewide total. 64% of counties in Wyoming see more traffic than Sublette's 2,642 vehicles per day.
At 30.1 minutes, the average travel time is 13% lower than the state level. Its average travel time of 30.1 minutes is shorter than 95% of counties in Wyoming.
The congestion ratio of 7.1% is 38% lower, pointing to smoother traffic flow than the state level - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Sublette County, Wyoming
| Traffic | vehicles per day4,442 |
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| Trucks | 11.2% |
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| Average travel time | 31.9 min |
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| Congestion ratio | 7.1% |
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| Drivers’ average age | 51.5 yrs |
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| Drivers’ average income | $77,224 |
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Highways carry the vast majority of travel in Sublette County, Wyoming, 81% of all vehicle-miles. The average highway carries 4,442 vehicles per day, 429% more than the average non-highway road in the same area, which carries 839 vehicles per day.
With 47% of the road miles (120 miles in 540 segments), highways punch above their length, carrying 340,689 vehicle-miles traveled per day (≈124 million per year).
Lower highway truck share than 84% of counties in Wyoming
Highway truck concentration here runs 52% lower than the state average, at 11.2%. Highways here carry mainly commuter and local trips, with little through freight.
84% of counties in Wyoming see a higher highway truck share than Sublette's 11.2%. By raw truck volume, Sublette carries fewer highway trucks than 68% of counties in Wyoming.

Non-highway Traffic in Sublette County, Wyoming
| Traffic | vehicles per day839 |
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| Trucks | 10.9% |
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| Average travel time | 28.4 min |
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| Drivers’ average age | 54.1 yrs |
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| Drivers’ average income | $80,180 |
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Local roads carry a smaller share of travel in Sublette County, Wyoming, 19% of vehicle-miles; most driving happens on highways. The average non-highway road carries 839 vehicles per day.
Spread over 137 miles and 539 segments, 53% of the road network, local roads carry a lighter load per mile: 80,935 vehicle-miles traveled per day (≈29.5 million per year). About 1 in 9 vehicles on non-highway roads is a truck (10.9%).
Older drivers than 73% of counties in Wyoming
Local roads and highways carry about the same truck share here (10.9% against 11.2%), so freight is not confined to the highways.
Trip origins here have higher average income than 64% of counties in Wyoming. Sublette's median driver age is higher than 73% of counties in Wyoming.