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Washington County, Missouri Traffic Counts

This page delivers traffic analytics for Washington County, Missouri. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Washington County, Missouri among 226 road miles divided in 2,310 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 516 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 Volume & Performance

Traffic

Traffic

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

3,634

Trucks

Trucks

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

7.8%

Average travel time

Average travel time

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

30.7 min

Drivers’ average age

Drivers’ average age

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

48.4 yrs

Drivers’ average income

Drivers’ average income

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

$59,265

Our data indicates an estimated average traffic volume of 3,634 vehicles per day in Washington County, Missouri that results in 597,119 vehicle-miles traveled per day (≈218 million per year). The traffic stream is comprised of an average of 1 truck for every 13 vehicles. Typical time spent behind the wheel per trip is 30.7 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the Missouri state averages: At 3,634 vehicles per day, the average monitored road in Washington carries 35% less traffic than the state average of 5,631 vehicles per day - a critical factor for logistics and site planning. Across the whole network that adds up to 597,119 vehicle-miles traveled per day (≈218 million per year), roughly 0.3% of Missouri's statewide total. Journey times run 2% lower than the state level, at 30.7 minutes on average. Washington carries more traffic than 76% of counties in Missouri. On travel time, Washington runs longer than 29% of counties in Missouri.

Highway vs. Non-Highway Traffic Analysis

Analytical insight

N/A
non-highway traffic icon

Non-highway traffic

Traffic

Traffic

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

3,634

Trucks

Trucks

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

7.8%

Average travel time

Average travel time

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

30.7 min

Drivers’ average age

Drivers’ average age

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

48.4 yrs

Drivers’ average income

Drivers’ average income

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

$59,265

The non-highway road network in Washington County, Missouri supports a substantial volume of traffic. The average non-highway road carries 3,634 vehicles per day. That average covers 226 non-highway road miles divided in 2,310 segments (average segment length 516 ft), together carrying 597,119 vehicle-miles traveled per day (≈218 million per year). Trucks constitute 7.8% of non-highway traffic.

Analytical insight

Washington's overall average travel time exceeds 29% of counties in Missouri. Trip origins here have higher average income than 37% of counties in Missouri. The driver population here skews older than 38% of counties in Missouri.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–8:00 AM and PM peak 3:00 PM–7:00 PM, with volumes reaching approximately 77% higher than the daily average.
Weekend traffic:
Weekend volumes run about 23% below weekday levels.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
August–October is the high season, with volumes +4% versus the annual average.
Lowest month:
January is the quietest month, with volumes -13% versus the annual average.

Analytical insight

In Washington County, Missouri, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is mild at +4% in high season.

Traffic Flow Profile Comparison

Metric

Washington

Missouri
Average

Difference

Traffic

3,634

5,631

-35.5%

Truck % (Total Traffic)

7.8%

9.8%

-21.1%

Truck % (Highway)

13.4%

Avg. Travel Time

30.7 min

31.3 min

-1.9%

How Washington County compares

Washington County against nearby areas

Against the 4 nearest areas, Washington County moves 24.5% of the total daily travel; it has the third busiest roads of the five. The same kind of road, just less of it: traffic per road matches the areas around it while the network itself is smaller.

Washington County and the 4 nearest county-level areas by centroid distance, with the Missouri average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Washington County3,6347.8%597,11930.7 minN/A
St. Francois County, Missouri6,0537.7%1,926,47830.1 min8.3%
Crawford County, Missouri2,33120.1%1,196,75430.2 minN/A
Jefferson County, Missouri6,3297.0%6,507,22730.6 min17.3%
Iron County, Missouri1,65310.7%138,08129.9 minN/A
Missouri average5,6319.8%N/A31.3 min19.4%

Washington County ranked within Missouri

Washington County sits in the top quarter of the Missouri field on average daily traffic volume, at #28 of 115.

Where Washington County sits among Missouri's county-level areas on each measure. Rank 1 is the highest value in the state, whether or not that is the outcome you want; the field size differs by measure because not every county carries highway data.
MeasureWashington CountyMissouri rank
Traffic volume (AADT)3,634#28 of 115
Average travel time30.7 min#82 of 115
Average driver income$59,265#73 of 115
Average driver age48.4 yrs#72 of 115

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

MissouriDepartment 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.
TrafficZoom methodology
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Data current as of:
Q3 2026

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Counties near Washington County

The same traffic breakdown for the areas closest to Washington County, Missouri.

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