
Total Traffic Volume & Performance in Natrona County, Wyoming
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day6,735 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.8% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 37.3 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. | 18.0% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 45.2 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $79,248 |
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A typical monitored road in Natrona County, Wyoming sees 6,735 vehicles per day, while its 536 miles of monitored roads together handle 1,773,249 vehicle-miles traveled per day (≈647 million per year). Traffic here is mostly passenger cars: only 9.8% trucks, against 17.9% across Wyoming.
The busiest roads of any county in Wyoming
Natrona sees 85% higher average daily traffic volume than the state average (6,735 vehicles per day against 3,650), suggesting more demand on each road - heavy exposure for roadside retail, and tight road space for deliveries. Network-wide, Natrona accounts for about 8.1% of Wyoming's statewide total of vehicle-miles. In fact, Natrona has the highest average traffic volume of any county in Wyoming, at 6,735 vehicles per day.
At 37.3 minutes, the average travel time is 8% higher than the state level. 64% of counties in Wyoming have a shorter average travel time than Natrona's 37.3 minutes.
Congestion runs 56% higher than the state level, at a ratio of 18.0%, which means more pronounced congestion - peak-hour routing and delivery windows need real slack here.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Natrona County, Wyoming
| Traffic | vehicles per day3,201 |
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| Trucks | 14.9% |
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| Average travel time | 40.5 min |
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| Congestion ratio | 9.4% |
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| Drivers’ average age | 46.0 yrs |
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| Drivers’ average income | $82,167 |
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Highways carry about half of all travel in Natrona County, Wyoming, 49% of vehicle-miles. The average highway carries 3,201 vehicles per day, 58% less than the average non-highway road in the same area, which carries 7,632 vehicles per day.
Highways also make up about 56% of the monitored road miles: 301 miles in 662 segments, together carrying 867,076 vehicle-miles traveled per day (≈316 million per year).
By highway travel volume, Natrona outranks 74% of counties in Wyoming.
Passenger-oriented highways
The concentration of trucks on highways (14.9%) is 36% lower than the state average for similar road classifications. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
58% of counties in Wyoming see a higher highway truck share than Natrona's 14.9%. Natrona's highway truck count is lower than 58% of counties in Wyoming, at roughly 477 trucks per day.

Non-highway Traffic in Natrona County, Wyoming
| Traffic | vehicles per day7,632 |
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| Trucks | 5.0% |
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| Average travel time | 36.5 min |
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| Congestion ratio | 20.2% |
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| Drivers’ average age | 45.1 yrs |
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| Drivers’ average income | $78,418 |
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Local roads carry about half of all travel in Natrona County, Wyoming, 51% of vehicle-miles. On the average non-highway road, that comes to 7,632 vehicles per day.
Local roads also make up about 44% of the monitored road miles: 235 miles in 2,608 segments, together carrying 906,172 vehicle-miles traveled per day (≈331 million per year). About 1 in 20 vehicles on non-highway roads is a truck (5.0%).
Local congestion 73% above the Wyoming average
Non-highway roads carry a truck concentration that's 67% lower than the highway network.
The non-highway congestion ratio of 20.2% is 73% higher than the state level, suggesting slower local mobility than the state average.
Trip origins here have higher average income than 68% of counties in Wyoming. Natrona's median driver age is lower than 73% of counties in Wyoming.