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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day6,752 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 8.4% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 33.2 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 15.7% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 43.1 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $104,692 |
Our data shows 6,752 vehicles per day on the average road in Colorado, and 127,026,550 vehicle-miles traveled per day (≈46.4 billion per year) across its 21,304 miles of monitored roads. Trucks are 8.4% of traffic, close to the 9.3% across the US.
At 6,752 vehicles per day, the average road in Colorado tracks closely with the national average of 6,986 vehicles per day. Network-wide, Colorado accounts for about 1.7% of the national total of vehicle-miles. By volume, Colorado's 6,752 vehicles per day outpaces 58% of states nationwide.
The average trip takes 33.2 minutes, on par with the national level. On travel time, Colorado runs shorter than 52% of states nationwide.
The congestion ratio of 15.7% is 17% lower, pointing to smoother traffic flow than the national level - crucial for traffic control improvement and logistics planning.
| Traffic | vehicles per day14,126 |
|---|---|
| Trucks | 11.2% |
| Average travel time | 37.6 min |
| Congestion ratio | 34.1% |
| Drivers’ average age | 44.3 yrs |
| Drivers’ average income | $102,887 |
Highways carry about half of all travel in Colorado, 52% of vehicle-miles. The average highway carries 14,126 vehicles per day, 135% more than the average non-highway road in the same area, which carries 6,014 vehicles per day.
With 24% of the road miles (5,183 miles in 28,641 segments), highways punch above their length, carrying 65,630,166 vehicle-miles traveled per day (≈24.0 billion per year).
54% of states nationwide move less traffic on their highways.
At 11.2%, highway truck share is 14% lower than the national average. The highway traffic mix is typical for the US: neither freight- nor commuter-dominated.
By truck concentration, highways here trail 72% of states nationwide. By raw truck volume, Colorado carries fewer highway trucks than 66% of states nationwide.
| Traffic | vehicles per day6,014 |
|---|---|
| Trucks | 5.3% |
| Average travel time | 32.9 min |
| Congestion ratio | 15.0% |
| Drivers’ average age | 42.6 yrs |
| Drivers’ average income | $106,443 |
Local roads carry about half of all travel in Colorado, 48% of vehicle-miles. On the average non-highway road, that comes to 6,014 vehicles per day.
Spread over 16,120 miles and 286,235 segments, 76% of the road network, local roads carry a lighter load per mile: 61,396,383 vehicle-miles traveled per day (≈22.4 billion per year). About 1 in 19 vehicles on non-highway roads is a truck (5.3%).
Non-highway roads carry a truck concentration that's 52% lower than the highway network.
Non-highway congestion (15.0%) runs 18% lower than the national average, pointing to smoother local traffic flow.
Colorado's average driver income is higher than 88% of states nationwide. 90% of states nationwide have an older driver population than Colorado.
Colorado stays close to the United States average; the largest gap is its highway truck share, 14% below.
| Metric | Colorado | United States average | Difference |
|---|---|---|---|
| Traffic | 6,752 | 6,986 | -3.4% |
| Truck % (Total Traffic) | 8.4% | 9.3% | -10.2% |
| Truck % (Highway) | 11.2% | 13.1% | -13.9% |
| Avg. Travel Time | 33.2 min | 33.3 min | -0.4% |
Set against the average of the 4 states nearest to it, Colorado moves 2.3 times the total daily travel and runs 5.2 percentage points less truck traffic; it has the second busiest roads of the five. The extra traffic here is local and light - trucks make up less of it than anywhere immediately around it.
| State | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Colorado | 6,752 | 8.4% | 127,026,550 | 33.2 min | 15.7% |
| Wyoming | 3,650 | 17.9% | 21,843,304 | 34.5 min | 11.5% |
| New Mexico | 4,562 | 16.2% | 64,135,022 | 34.0 min | 14.4% |
| Utah | 10,198 | 8.9% | 87,040,466 | 32.2 min | 21.2% |
| Nebraska | 3,598 | 11.5% | 50,655,062 | 33.0 min | 17.5% |
| United States average | 6,986 | 9.3% | N/A | 33.3 min | 18.9% |
Together, those three counties carry 29.4% of all the vehicle-miles measured in the state.
| County | Daily vehicle-miles | Average daily traffic | Truck share | Road miles |
|---|---|---|---|---|
| 1. Denver County | 13,746,468 | 9,512 | 6.3% | 950 |
| 2. El Paso County | 12,741,333 | 7,054 | 6.2% | 1,494 |
| 3. Adams County | 10,849,636 | 9,165 | 8.0% | 1,031 |
Together, those five counties carry just 5.3% of the truck vehicle-miles driven in the state. Truck share says where trucks dominate the mix; it does not say where the freight is.
| County | Truck share | Truck share on highways | Average daily traffic | Daily vehicle-miles |
|---|---|---|---|---|
| 1. Baca County | 27.2% | 30.8% | 2,248 | 286,962 |
| 2. Kit Carson County | 25.3% | 27.7% | 1,759 | 944,991 |
| 3. Cheyenne County | 25.3% | 31.6% | 1,734 | 257,036 |
| 4. Lincoln County | 23.8% | 27.1% | 1,947 | 587,477 |
| 5. Kiowa County | 21.3% | 26.9% | 1,539 | 202,646 |
Asking the same question of truck vehicle-miles gives a different answer - Weld County, Denver County, Adams County, El Paso County and Arapahoe County, together 40.1% of all truck travel in Colorado.
On their busiest stretches, the three busiest roads in Colorado carry 186,925 vehicles a day on average, 27.7 times the typical road in the state (6,752).
Valley Highway in Arapahoe County is the busiest road, at 217,106 vehicles a day, 12,520 of them trucks (5.8%). Tuskegee Airmen Memorial Highway in Denver County carries the most trucks on the list, 13,049 a day (11.6% of its traffic), although it ranks #7 for all traffic.
Trips using Dwight D. Eisenhower Highway in Weld County are long: a median of 47.9 minutes against 33.2 state-wide, the mark of a through route.
Freight stands out on Dwight D. Eisenhower Highway in Weld County: trucks are 14.1% of the traffic there, against 8.4% state-wide.
Valley Highway is a trunk route for the state, carrying 32.2 times the state average on its busiest stretch; trucks are 5.8% of it, below the state-wide 8.4%.
Valley Highway carries 29.5 times the state average at its busiest, 11,684 of them trucks (5.9%, below the state-wide 8.4%).
I 225 carries 21.4 times the state average on its busiest stretch, where the median trip lasts 37.9 minutes.
I 225 is one of the more congested roads here: trips take 100% longer than at free-flow speed, against 16% state-wide.
At 18.6 times the state average, I 225 draws drivers from neighborhoods averaging $104,369 in household income.
Dwight D. Eisenhower Highway carries through traffic: the median trip using it lasts 44.1 minutes, against 33.2 for the state.
A main artery: Tuskegee Airmen Memorial Highway's busiest stretch carries 16.7 times the state average; trucks are 11.6% of it, above the state-wide 8.4%.
Valley Highway is a trunk route for the state, carrying 16.4 times the state average on its busiest stretch; trucks are 7.8% of it, below the state-wide 8.4%.
I 25 carries 15.6 times the state average at its busiest, 9,041 of them trucks (8.6%, in line with the state-wide 8.4%).
Peña Boulevard carries 13.8 times the state average on its busiest stretch, where the median trip lasts 42.4 minutes.
Only named roads are listed. Some unnamed segments, such as ramps or unlabeled carriageways, may carry as much traffic as the roads shown.
At 12.6 times the state average, Dwight D. Eisenhower Highway draws drivers from neighborhoods averaging $115,316 in household income.
Drivers on Valley Highway are on long journeys, a median 43.5 minutes against 33.2 state-wide: a through route more than a local street.
Delays build on Dwight D. Eisenhower Highway: its congestion ratio of 104% over free-flow time is well above the state's 16%.
The average monitored road in Colorado carries 6,752 vehicles per day, in line with the national average of 6,986.
Colorado carries fewer highway trucks by raw volume than 66% of states nationwide, at roughly 1,589 per day.
The average trip in Colorado takes 33.2 minutes, about the same as the national average, delays at signals and congestion included.
Drivers on Colorado roads have a median age of 43 years, younger than the national average of 46, and the median household income of the neighborhoods trips originate from averages $104,692, 15% above the national average.
Trucks make up about 8.4% of all traffic in Colorado, rising to 11.2% on highways, where long-haul freight concentrates.
Traffic in Colorado peaks in June–August, when volumes run 10% above the annual average. January is the quietest month, averaging 5,739 vehicles per day, 15% below the annual average.
Valley Highway in Arapahoe County carries the most, 217,106 vehicles per day on its busiest stretch, followed by Valley Highway in Denver County (199,331), I 225 in Denver County (144,340), I 225 in Adams County (141,978), I 225 in Arapahoe County (125,925). Figures are AADT, both directions combined.
About 217,106 vehicles per day in both directions on its busiest stretch, including 12,520 trucks (5.8%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.
About 13,049 trucks per day on its busiest stretch, 11.6% of its 112,504 vehicles.

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The same traffic breakdown for the states closest to Colorado.
Identify traffic patterns street by street and analyze the exact corridors that matter to your project.
Traffic counts, truck share, congestion and driver demographics for each of the 64 counties TrafficZoom measures in Colorado.