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Tuolumne County, California Traffic Counts

This page delivers traffic analytics for Tuolumne County, California. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Tuolumne County, California among 301 road miles divided in 3,726 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 427 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.

4,284

Trucks

Trucks

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

6.5%

Average travel time

Average travel time

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

32.4 min

Congestion ratio

Congestion ratio

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

15.5%

Drivers’ average age

Drivers’ average age

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

55.1 yrs

Drivers’ average income

Drivers’ average income

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

$84,220

Our data indicates an estimated average traffic volume of 4,284 vehicles per day in Tuolumne County, California that results in 1,187,911 vehicle-miles traveled per day (≈434 million per year). The traffic stream is comprised of an average of 1 truck for every 15 vehicles. Typical time spent behind the wheel per trip is 32.4 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the California state averages: Tuolumne's average daily traffic volume is 66% lower than the state average - 4,284 vehicles per day against 12,766 - suggesting less traffic load per road, a critical factor for logistics and site planning. Network-wide, Tuolumne accounts for about 0.1% of California's statewide total, at 1,187,911 vehicle-miles traveled per day (≈434 million per year). At 32.4 minutes, the average travel time is 6% lower than the state level. At 44% lower than the state level, the 15.5% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning. 21% of counties in California see less traffic than Tuolumne's 4,284 vehicles per day. On travel time, Tuolumne runs longer than 30% of counties in California.

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.

4,284

Trucks

Trucks

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

6.5%

Average travel time

Average travel time

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

32.4 min

Congestion ratio

Congestion ratio

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

15.5%

Drivers’ average age

Drivers’ average age

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

55.1 yrs

Drivers’ average income

Drivers’ average income

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

$84,220

The non-highway road network in Tuolumne County, California supports a substantial volume of traffic. The average non-highway road carries 4,284 vehicles per day. That average covers 301 non-highway road miles divided in 3,726 segments (average segment length 427 ft), together carrying 1,187,911 vehicle-miles traveled per day (≈434 million per year). Trucks constitute 6.5% of non-highway traffic.

Analytical insight

The non-highway congestion ratio of 15.5% is 42% lower than the state level, suggesting more efficient local mobility than the state average. 30% of counties in California see shorter overall travel times than Tuolumne. Tuolumne's average driver income exceeds 42% of counties in California. Tuolumne's median driver age is higher than 91% of counties in California.

Time-of-Day & Seasonal Patterns

Analytical insight

In Tuolumne County, California, the peak hour concentrates about 8% of the day's traffic.

Traffic Flow Profile Comparison

Metric

Tuolumne

California
Average

Difference

Traffic

4,284

12,766

-66.4%

Truck % (Total Traffic)

6.5%

7.8%

-16.3%

Truck % (Highway)

10.4%

Avg. Travel Time

32.4 min

34.5 min

-5.9%

How Tuolumne County compares

Tuolumne County against nearby areas

Against the 4 nearest areas, Tuolumne County is 146.9% more congested and carries 43.2% more traffic on a typical road; it has the second busiest roads of the five. It is where traffic concentrates in this corner of the map - the local bottleneck, with more vehicles per road AND less room to absorb them.

Tuolumne County and the 4 nearest county-level areas by centroid distance, with the California average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Tuolumne County4,2846.5%1,187,91132.4 min15.5%
Mariposa County, California2,4988.9%395,32433.7 min3.5%
Alpine County, California1,43310.2%86,55949.0 min2.9%
Calaveras County, California3,2266.8%907,92531.8 min13.2%
Mono County, California4,80911.7%1,027,86335.2 min5.5%
California average12,7667.8%N/A34.5 min27.4%

Tuolumne County ranked within California

Average driver age places Tuolumne County #6 of 58 in California - the top quarter of the state.

Where Tuolumne County sits among California'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.
MeasureTuolumne CountyCalifornia rank
Traffic volume (AADT)4,284#46 of 58
Average travel time32.4 min#41 of 58
Average driver income$84,220#34 of 58
Average driver age55.1 yrs#6 of 58

Tuolumne County ranks #6 of 58 on average driver age but #46 of 58 on average daily traffic volume - the two describe the same roads and are worth reading together rather than either on its own.

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

CaliforniaDepartment 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 Tuolumne County

The same traffic breakdown for the areas closest to Tuolumne County, California.

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