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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day3,650 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 17.9% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 34.5 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 11.5% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 45.8 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $79,522 |
The average monitored road in Wyoming carries 3,650 vehicles per day. Across its 8,810 miles of monitored roads, that adds up to 21,843,304 vehicle-miles traveled per day (≈8.0 billion per year). Freight weighs heavily here: trucks are 17.9% of traffic, against 9.3% across the US.
Wyoming's average daily traffic volume is 48% lower than the national average - 3,650 vehicles per day against 6,986 - suggesting less traffic load per road - less drive-by exposure for retail, but easier access for deliveries. Network-wide, Wyoming accounts for about 0.3% of the national total of vehicle-miles. Wyoming carries less traffic than 90% of states nationwide.
At 34.5 minutes, the average travel time matches the national level closely. On travel time, Wyoming runs longer than 83% of states nationwide.
Congestion runs 39% lower than the national level, at a ratio of 11.5%, which means smoother traffic flow - travel times are easy to plan around for scheduled deliveries.
| Traffic | vehicles per day5,204 |
|---|---|
| Trucks | 23.3% |
| Average travel time | 36.9 min |
| Congestion ratio | 14.6% |
| Drivers’ average age | 46.8 yrs |
| Drivers’ average income | $79,908 |
Highways carry more than half of all travel in Wyoming (66% of vehicle-miles). The average highway carries 5,204 vehicles per day, 61% more than the average non-highway road in the same area, which carries 3,232 vehicles per day.
Highways make up 41% of the monitored road miles (3,593 miles, 10,909 segments), so they carry more than their share: 14,453,820 vehicle-miles traveled per day (≈5.3 billion per year).
Highway truck concentration here runs 78% higher than the national average, at 23.3%. That marks Wyoming as a major freight corridor, where highway access is what logistics operators compete on.
At 23.3%, Wyoming's highway truck concentration is the highest nationwide. Wyoming's highway truck count is lower than 90% of states nationwide, at roughly 1,213 trucks per day.
| Traffic | vehicles per day3,232 |
|---|---|
| Trucks | 7.3% |
| Average travel time | 33.9 min |
| Congestion ratio | 11.6% |
| Drivers’ average age | 45.5 yrs |
| Drivers’ average income | $79,716 |
A significant share of driving in Wyoming, 34% of vehicle-miles, happens on local roads. The average non-highway road carries 3,232 vehicles per day.
Spread over 5,216 miles and 40,638 segments, 59% of the road network, local roads carry a lighter load per mile: 7,389,484 vehicle-miles traveled per day (≈2.7 billion per year). About 1 in 14 vehicles on non-highway roads is a truck (7.3%).
Compared to highways, non-highway routes see 69% fewer trucks by share.
At 36% lower than the national level, the non-highway congestion ratio of 11.6% signals easier movement on local roads.
Trip origins here have lower average income than 70% of states nationwide. The driver population here skews younger than 54% of states nationwide.
Of the four measures, truck share differs most: Wyoming runs 91% above the United States average. Its highway truck share is also 78% above.
| Metric | Wyoming | United States average | Difference |
|---|---|---|---|
| Traffic | 3,650 | 6,986 | -47.8% |
| Truck % (Total Traffic) | 17.9% | 9.3% | +91.3% |
| Truck % (Highway) | 23.3% | 13.1% | +78.3% |
| Avg. Travel Time | 34.5 min | 33.3 min | +3.6% |
Compared with its 4 closest neighbours, Wyoming moves 30.4% of the total daily travel and carries 45.7% less traffic on a typical road; it has the quietest roads of the five. Freight passes through here that never reaches the states around it: the truck share is high precisely because the local car traffic is not.
| State | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Wyoming | 3,650 | 17.9% | 21,843,304 | 34.5 min | 11.5% |
| Colorado | 6,752 | 8.4% | 127,026,550 | 33.2 min | 15.7% |
| Utah | 10,198 | 8.9% | 87,040,466 | 32.2 min | 21.2% |
| Montana | 4,202 | 11.7% | 28,466,944 | 36.2 min | 12.3% |
| Idaho | 5,734 | 9.7% | 45,169,444 | 33.8 min | 16.0% |
| United States average | 6,986 | 9.3% | N/A | 33.3 min | 18.9% |
Together, those three counties carry 36.7% of all the vehicle-miles measured in the state.
| County | Daily vehicle-miles | Average daily traffic | Truck share | Road miles |
|---|---|---|---|---|
| 1. Sweetwater County | 3,236,765 | 4,287 | 28.3% | 858 |
| 2. Carbon County | 2,405,756 | 2,771 | 29.7% | 667 |
| 3. Laramie County | 2,367,564 | 4,449 | 15.1% | 760 |
Together, those three counties carry 50.3% of the truck vehicle-miles driven in the state.
| County | Truck share | Truck share on highways | Average daily traffic | Daily vehicle-miles |
|---|---|---|---|---|
| 1. Carbon County | 29.7% | 32.5% | 2,771 | 2,405,756 |
| 2. Uinta County | 29.1% | 34.6% | 3,329 | 1,150,224 |
| 3. Sweetwater County | 28.3% | 31.7% | 4,287 | 3,236,765 |
Asking the same question of truck vehicle-miles gives a different answer - Sweetwater County, Carbon County, Laramie County, Uinta County and Albany County, together 67.9% of all truck travel in Wyoming.
The three busiest roads in Wyoming average 27,072 vehicles a day, 7.4 times the state average of 3,650 across all its monitored roads.
Broadway Avenue in Teton County is the busiest road, at 30,969 vehicles a day, 1,466 of them trucks (4.7%). Dwight D. Eisenhower Highway in Carbon County carries the most trucks, 6,301 a day (34.6% of its traffic), although it is not among the 10 busiest roads overall.
Freight stands out on Green River Tunnel in Sweetwater County and Dwight D. Eisenhower Highway in Uinta County: trucks are 41.6% and 36.1% of the traffic there, against 17.9% state-wide.
Drivers on Broadway Avenue in Teton County come from neighborhoods with an average household income of $113,254, 42% above the state average of $79,522.
Traffic and freight follow different roads here: only 2 of the 10 busiest roads also make the top 10 for trucks.
Broadway Avenue carries 8.5 times the state average at its busiest, 1,466 of them trucks (4.7%, below the state-wide 17.9%).
Douglas Highway carries 7.0 times the state average on its busiest stretch, where the median trip lasts 32.8 minutes.
At 6.8 times the state average, CY Avenue draws drivers from neighborhoods averaging $76,594 in household income.
A main artery: I 25's busiest stretch carries 6.6 times the state average; trucks are 10.1% of it, below the state-wide 17.9%.
Dell Range Boulevard is one of the more congested roads here: trips take 29% longer than at free-flow speed, against 12% state-wide.
Elk Street is a trunk route for the state, carrying 6.3 times the state average on its busiest stretch; trucks are 5.1% of it, below the state-wide 17.9%.
Trips on Main Street are short, a median 24.5 minutes against 34.5 state-wide, so it mostly serves local errands and commutes.
Delays build on Sheridan Avenue: its congestion ratio of 36% over free-flow time is well above the state's 12%.
Dewar Drive carries 5.8 times the state average at its busiest, 886 of them trucks (4.2%, below the state-wide 17.9%).
East Lincolnway carries 5.5 times the state average on its busiest stretch, where the median trip lasts 41.8 minutes.
A freight route: trucks are 34.6% of the traffic on Dwight D. Eisenhower Highway's busiest stretch, 1.9 times the state-wide 17.9%.
The busiest stretch of Green River Tunnel carries 3.9 times the state average; trucks are 41.6% of it, above the state-wide 17.9%.
On its busiest stretch, Dwight D. Eisenhower Highway carries 4.6 times the state average; trucks are 33.5% of it, above the state-wide 17.9%.
Dwight D. Eisenhower Highway peaks at 14,408 vehicles a day, 3.9 times the state average; trucks are 36.1% of it, above the state-wide 17.9%.
Dwight D. Eisenhower Highway carries 3.9 times the state average at its busiest, 4,687 of them trucks (32.5%, above the state-wide 17.9%).
Trucks make up 33.6% of Purple Heart Trail's traffic, against 17.9% across the state, so freight weighs heavily here.
Dwight D. Eisenhower Highway carries 3.1 times the state average on its busiest stretch, where the median trip lasts 41.5 minutes.
At 5.1 times the state average, Valley Road draws drivers from neighborhoods averaging $63,208 in household income.
The average monitored road in Wyoming carries 3,650 vehicles per day, 48% less than the national average of 6,986.
Yes - Wyoming has the highest highway truck share of any state nationwide, at 23.3%.
The average trip in Wyoming takes 34.5 minutes, about the same as the national average, delays at signals and congestion included.
Trucks make up about 17.9% of all traffic in Wyoming, rising to 23.3% on highways, where long-haul freight concentrates.
Weekday traffic has two busy windows: a long morning plateau from 7:00 AM to 12:00 PM and PM peak 3:00 PM–6:00 PM - about 75% above the daily average.
Traffic in Wyoming peaks in June–August, when volumes run 28% above the annual average. January is the quietest month, averaging 2,589 vehicles per day, 29% below the annual average.
Drivers on Wyoming roads have a median age of 46 years, and the median household income of the neighborhoods trips originate from averages $79,522, 13% below the national average.
Broadway Avenue in Teton County carries the most, 30,969 vehicles per day on its busiest stretch, followed by Douglas Highway in Campbell County (25,377), CY Avenue in Natrona County (24,872), I 25 in Natrona County (23,916), Dell Range Boulevard in Laramie County (23,497). Figures are AADT, both directions combined.
Dwight D. Eisenhower Highway in Carbon County, with about 6,301 trucks per day on its busiest stretch, 34.6% of its 18,204 vehicles.
About 30,969 vehicles per day in both directions on its busiest stretch, including 1,466 trucks (4.7%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

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Traffic counts, truck share, congestion and driver demographics for each of the 23 counties TrafficZoom measures in Wyoming.