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Jefferson County, Colorado Traffic Counts

This page delivers traffic analytics for Jefferson County, Colorado. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Jefferson County, Colorado among 1,044 road miles divided in 27,363 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 201 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
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total traffic icon

Total Traffic Volume & Performance

Traffic

8,231

Trucks

5.9%

Average travel time

33.4 min

Congestion ratio

17.1%

Drivers’ average age

43.9 yrs

Drivers’ average income

$122,542

Our data indicates an estimated average traffic volume of 8,231 vehicles per day in Jefferson County, Colorado that results in 10,806,936 vehicle-miles traveled per day (≈3.9 billion per year). The traffic stream is comprised of an average of 1 truck for every 17 vehicles. Typical time spent behind the wheel per trip is 33.4 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the Colorado state averages: Jefferson sees 22% higher average daily traffic volume than the state average (8,231 vehicles per day against 6,752), suggesting more demand on each road - a critical factor for logistics and site planning. Across the whole network that adds up to 10,806,936 vehicle-miles traveled per day (≈3.9 billion per year), roughly 8.5% of Colorado's statewide total. Journey times here (33.4 minutes on average) closely track the state level. At 9% higher than the state level, the 17.1% congestion ratio signals more pronounced congestion - crucial for traffic control improvement and logistics planning. 94% of counties in Colorado see less traffic than Jefferson's 8,231 vehicles per day. On travel time, Jefferson runs longer than 41% of counties in Colorado.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic

Traffic

25,753

Trucks

7.7%

Average travel time

38.2 min

Congestion ratio

46.2%

Drivers’ average age

44.0 yrs

Drivers’ average income

$126,195

A significant volume of traffic in Jefferson County, Colorado utilizes the highway network. The average highway carries 25,753 vehicles per day, 237% more than the average non-highway road in the same area, which carries 7,642 vehicles per day. That average covers 185 highway road miles divided in 889 segments (average segment length 1,096 ft), together carrying 4,780,437 vehicle-miles traveled per day (≈1.7 billion per year). By highway travel volume, that ranks Jefferson in the top 5 counties in Colorado. Trucks constitute 7.7% of highway traffic.

Analytical insight

Highway truck concentration here runs 31% lower than the state average, at 7.7% - positioning Jefferson as a primarily local traffic hub. For logistics operators, this validates the importance of local access. By truck concentration, highways here outrank 4% of counties in Colorado. 85% of counties in Colorado see fewer highway trucks per day than Jefferson's roughly 1,988.
non-highway traffic icon

Non-highway traffic

Traffic

7,642

Trucks

4.5%

Average travel time

33.2 min

Congestion ratio

16.1%

Drivers’ average age

43.9 yrs

Drivers’ average income

$120,810

The non-highway road network in Jefferson County, Colorado supports a substantial volume of traffic. The average non-highway road carries 7,642 vehicles per day, 70% less than the average highway in the same area, which carries 25,753 vehicles per day. That average covers 859 non-highway road miles divided in 26,474 segments (average segment length 171 ft), together carrying 6,026,499 vehicle-miles traveled per day (≈2.2 billion per year). Trucks constitute 4.5% of non-highway traffic.

Analytical insight

The concentration of trucks on non-highway roads is 42% lower than on highways. The non-highway congestion ratio of 16.1% is 7% higher than the state level, suggesting slower local mobility than the state average. 41% of counties in Colorado see shorter overall travel times than Jefferson. Trip origins here have higher average income than 94% of counties in Colorado. Jefferson's median driver age is higher than 19% of counties in Colorado.

Time-of-Day & Seasonal Patterns

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Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–12:00 PM and PM peak 3:00 PM–6:00 PM, with volumes reaching approximately 93% higher than the daily average.
Weekend traffic:
Weekend volumes run about 12% below weekday levels.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +9% versus the annual average.
Lowest month:
January is the quietest month, with volumes -12% versus the annual average.

Analytical insight

In Jefferson County, Colorado, the peak hour concentrates about 8% of the day's traffic, and seasonal swing is mild at +9% in high season.

Traffic Flow Profile Comparison

Metric

Jefferson

Colorado
Average

Difference

Traffic

8,231

6,752

+21.9%

Truck % (Total Traffic)

5.9%

8.4%

-29.6%

Truck % (Highway)

7.7%

11.2%

-31.4%

Avg. Travel Time

33.4 min

33.2 min

+0.6%

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

ColoradoDepartment of Transportation

Historical traffic pattern databases

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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