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Traffic heat map of Carbon County, Wyoming: 667 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Dwight D. Eisenhower Highway

Carbon County, Wyoming Traffic Counts

Our Carbon County, Wyoming traffic data covers 2,310 road segments over 667 road miles, with an average segment of just 1,524 ft. Its average highway carries more trucks than in any other county in Wyoming, about 2,475 a day. Whether you are evaluating a new retail location, planning routes or assessing infrastructure, these numbers replace guesswork.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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Total Traffic Volume & Performance in Carbon County, Wyoming

Traffic

The average number of vehicles that travel each day over any road in the road network.

vehicles per day2,771
Trucks

The percentage of the total traffic volume composed of heavy vehicles.

29.7%
Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

38.6 min
Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

5.7%
Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

45.0 yrs
Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$75,596

The average monitored road in Carbon County, Wyoming carries 2,771 vehicles per day. Across its 667 miles of monitored roads, that adds up to 2,405,756 vehicle-miles traveled per day (≈878 million per year). About 1 in 3 vehicles is a truck, well above the 17.9% across Wyoming - a freight-heavy mix.

Congestion 50% below the Wyoming average

Carbon's average daily traffic volume is 24% lower than the state average - 2,771 vehicles per day against 3,650 - suggesting less traffic load per road - a critical factor for logistics and site planning. Across the whole network, that travel is about 11% of Wyoming's statewide total. 55% of counties in Wyoming see more traffic than Carbon's 2,771 vehicles per day.

The average trip takes 38.6 minutes, 12% higher than the state level. On travel time, Carbon runs longer than 73% of counties in Wyoming.

The congestion ratio of 5.7% is 50% lower, pointing to smoother traffic flow than the state level - delays are rare enough to plan travel times almost to the minute.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Carbon County, Wyoming

Trafficvehicles per day6,444
Trucks32.5%
Average travel time42.2 min
Drivers’ average age44.2 yrs
Drivers’ average income$77,036

The vast majority of driving in Carbon County, Wyoming happens on highways: 86% of all vehicle-miles. The average highway carries 6,444 vehicles per day, 213% more than the average non-highway road in the same area, which carries 2,060 vehicles per day.

With 41% of the road miles (273 miles in 375 segments), highways punch above their length, carrying 2,077,377 vehicle-miles traveled per day (≈758 million per year).

By highway travel volume, that ranks Carbon in the top 3 counties in Wyoming.

The most highway trucks of any county in Wyoming

Highway truck concentration here runs 40% higher than the state average, at 32.5%. Highways here lean toward freight, so highway access is a real asset for logistics operators.

Carbon's highway truck share (32.5%) is higher than 95% of counties in Wyoming. Carbon also moves the highest raw count of highway trucks in Wyoming, at roughly 2,475 per day.

non-highway traffic icon

Non-highway Traffic in Carbon County, Wyoming

Trafficvehicles per day2,060
Trucks11.9%
Average travel time37.9 min
Congestion ratio5.7%
Drivers’ average age46.5 yrs
Drivers’ average income$71,980

Only a small share of travel in Carbon County, Wyoming happens on local roads: 14% of vehicle-miles. A typical local road sees 2,060 vehicles per day.

Local roads make up 59% of the monitored road miles (393 miles in 1,935 segments) but carry less than their share of travel: 328,379 vehicle-miles traveled per day (≈120 million per year). About 1 in 8 vehicles on non-highway roads is a truck (11.9%).

Younger drivers than 77% of counties in Wyoming

Non-highway roads carry a truck concentration that's 63% lower than the highway network.

The non-highway congestion ratio of 5.7% is 51% lower than the state level, suggesting more efficient local mobility than the state average.

Trip origins here have higher average income than 55% of counties in Wyoming. Carbon's median driver age is lower than 77% of counties in Wyoming.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
A long morning plateau from 8:00 AM to 12:00 PM and a long afternoon plateau from 2:00 PM to 6:00 PM, with volumes reaching approximately 44% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 8% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
July–September is the high season, with volumes +37% versus the annual average.
Lowest month:
February is the quietest month, with volumes -39% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Carbon County, Wyoming, traffic is spread evenly through the day, with the busiest hour carrying only about 6%, and there is a strong seasonal swing of +37% in high season.

Carbon County vs. Wyoming Traffic Comparison

Of the four measures, truck share differs most: Carbon County runs 66% above the Wyoming average. Its highway truck share is also 40% above.

MetricCarbon CountyWyoming averageDifference
Traffic2,7713,650-24.1%
Truck % (Total Traffic)29.7%17.9%+66.2%
Truck % (Highway)32.5%23.3%+39.6%
Avg. Travel Time38.6 min34.5 min+11.9%

How Carbon County compares

Carbon County moves more traffic than any nearby county

Against the 4 nearest areas, Carbon County runs 14.5 percentage points more truck traffic and moves 2.5 times the total daily travel; it has the third busiest roads of the five. It is bigger rather than busier: the extra travel comes from carrying more road, not from heavier roads.

Carbon County and the 4 nearest county-level areas by centroid distance, with the Wyoming average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Carbon County2,77129.7%2,405,75638.6 min5.7%
Albany County, Wyoming3,86423.4%1,408,69132.0 min10.0%
Natrona County, Wyoming6,7359.8%1,773,24937.3 min18.0%
Jackson County, Colorado1,14710.9%86,89527.7 min5.5%
Platte County, Wyoming1,38716.6%514,87839.6 minN/A
Wyoming average3,65017.9%N/A34.5 min11.5%

Carbon County ranked within Wyoming

On highway truck volume, Carbon County tops the Wyoming field outright.

Carbon County ranked among 23 county-level areas in Wyoming (1 = highest); measures without data in every county rank a smaller field, down to 20.
MeasureCarbon CountyWyoming rank
Traffic volume (AADT)2,771#13 of 23
Highway vehicle-miles per day2,077,377#2 of 20
Truck share on highways32.5%#2 of 20
Highway trucks per day2,098#1 of 20
Average travel time38.6 min#7 of 23
Average driver income$75,596#11 of 23
Average driver age45.0 yrs#18 of 23

Carbon County ranks #1 of 20 on highway truck volume but #18 of 23 on average driver age - the two describe the same roads and are worth reading together rather than either on its own.

Busiest roads in Carbon County, Wyoming

Traffic concentrates on a few corridors: the three busiest roads average 12,626 vehicles a day, against 2,771 on the average road in Carbon County.

Dwight D. Eisenhower Highway leads with 18,204 vehicles a day, 6,301 of them trucks (34.6%). It also carries the most trucks.

Cedar Street is busy with cars rather than freight: only 4.2% of its traffic is trucks, against 29.7% county-wide.

Drivers on 1st Street are noticeably older, with a median age of 54.2 against 45.0 across the county.

Trips on 1st Street are short, a median of 22.8 minutes against 38.6 county-wide, so it serves mostly local traffic.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Dwight D. Eisenhower HighwayMotorway · 18,204vehicles6,301trucks · 34.6%
Road class
Motorway
Median trip time
46.1 min
Drivers’ median age
44.1 yrs
Drivers’ average income
$76,896

A main artery: Dwight D. Eisenhower Highway's busiest stretch carries 6.6 times the county average; trucks are 34.6% of it, above the county-wide 29.7%.

2Cedar StreetPrimary road · 12,406vehicles515trucks · 4.2%
Road class
Primary road
Median trip time
41.8 min
Drivers’ median age
46.6 yrs
Drivers’ average income
$75,291

At 4.5 times the county average, Cedar Street draws drivers from neighborhoods averaging $75,291 in household income.

3Spruce StreetPrimary road · 7,268vehicles493trucks · 6.8%
Road class
Primary road
Median trip time
36.2 min
Drivers’ median age
45.6 yrs
Drivers’ average income
$74,778

The busiest stretch of Spruce Street carries 2.6 times the county average; trucks are 6.8% of it, below the county-wide 29.7%.

4Higley BoulevardTrunk road · 7,153vehicles514trucks · 7.2%
Road class
Trunk road
Median trip time
39.1 min
Drivers’ median age
46.0 yrs
Drivers’ average income
$83,017

On its busiest stretch, Higley Boulevard carries 2.6 times the county average; trucks are 7.2% of it, below the county-wide 29.7%.

53rd StreetPrimary road · 6,719vehicles379trucks · 5.7%
Road class
Primary road
Median trip time
40.6 min
Drivers’ median age
45.7 yrs
Drivers’ average income
$80,695

3rd Street peaks at 6,719 vehicles a day, 2.4 times the county average; trucks are 5.7% of it, below the county-wide 29.7%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Dwight D. Eisenhower HighwayMotorway · #1 by traffic18,204vehicles6,301trucks · 34.6%
21st StreetPrimary road · 6,447vehicles545trucks · 8.4%
Road class
Primary road
Median trip time
22.8 min
Drivers’ median age
54.2 yrs
Drivers’ average income
$69,981

1st Street carries 2.3 times the county average at its busiest, 545 of them trucks (8.4%, below the county-wide 29.7%).

3Cedar StreetPrimary road · #2 by traffic12,406vehicles515trucks · 4.2%
4Higley BoulevardTrunk road · #4 by traffic7,153vehicles514trucks · 7.2%
5Spruce StreetPrimary road · #3 by traffic7,268vehicles493trucks · 6.8%
How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

Data Sources & Methodology

The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

CarbonDepartment of Transportation

Demographic Baseline for O-D Modeling

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
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Data current as of:
Q3 2026

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Counties near Carbon County

The same traffic breakdown for the areas closest to Carbon County, Wyoming.

Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.