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Alpine County, California Traffic Counts

This page delivers traffic analytics for Alpine County, California. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Alpine County, California among 45 road miles divided in 300 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 785 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.

1,433

Trucks

Trucks

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

10.2%

Average travel time

Average travel time

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

49.0 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.

2.9%

Drivers’ average age

Drivers’ average age

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

50.6 yrs

Drivers’ average income

Drivers’ average income

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

$109,514

Our data indicates an estimated average traffic volume of 1,433 vehicles per day in Alpine County, California that results in 86,559 vehicle-miles traveled per day (≈31.6 million per year). The traffic stream is comprised of an average of 1 truck for every 10 vehicles. Typical time spent behind the wheel per trip is 49.0 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the California state averages: Alpine sees 89% lower average daily traffic volume than the state average (1,433 vehicles per day against 12,766), suggesting less demand on each road - a critical factor for logistics and site planning. Network-wide, Alpine accounts for about 0.0% of California's statewide total, at 86,559 vehicle-miles traveled per day (≈31.6 million per year). Journey times run 42% higher than the state level, at 49.0 minutes on average. The congestion ratio of 2.9% is 89% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. Alpine stands out as having the lowest traffic volume in California - 1,433 vehicles per day. 96% of counties in California have a shorter average travel time than Alpine's 49.0 minutes.

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.

1,433

Trucks

Trucks

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

10.2%

Average travel time

Average travel time

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

49.0 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.

2.9%

Drivers’ average age

Drivers’ average age

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

50.6 yrs

Drivers’ average income

Drivers’ average income

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

$109,514

The non-highway road network in Alpine County, California supports a substantial volume of traffic. The average non-highway road carries 1,433 vehicles per day. That average covers 45 non-highway road miles divided in 300 segments (average segment length 785 ft), together carrying 86,559 vehicle-miles traveled per day (≈31.6 million per year). Trucks constitute 10.2% of non-highway traffic.

Analytical insight

Non-highway congestion (2.9%) runs 89% lower than the state average, pointing to smoother local traffic flow. Overall, average travel time here is longer than 96% of counties in California. 74% of counties in California see lower average driver income among trip origins than Alpine. The driver population here skews older than 79% of counties in California.

Time-of-Day & Seasonal Patterns

Analytical insight

In Alpine County, California, the peak hour concentrates about 9% of the day's traffic.

Traffic Flow Profile Comparison

Metric

Alpine

California
Average

Difference

Traffic

1,433

12,766

-88.8%

Truck % (Total Traffic)

10.2%

7.8%

+31.7%

Truck % (Highway)

10.4%

Avg. Travel Time

49.0 min

34.5 min

+42.1%

How Alpine County compares

Alpine County against nearby areas

Set against the average of the 4 areas nearest to it, Alpine County moves 4.5% of the total daily travel and is 79.3% less congested; it has the quietest roads of the five. Trips here run longer without running slower: distance, not congestion, is what drivers spend their time on.

Alpine 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
Alpine County1,43310.2%86,55949.0 min2.9%
Douglas County, Nevada6,2047.2%1,369,82426.8 min12.9%
Carson City, Nevada6,5337.2%972,29834.2 min13.4%
El Dorado County, California5,3146.4%4,239,40830.3 min14.9%
Tuolumne County, California4,2846.5%1,187,91132.4 min15.5%
California average12,7667.8%N/A34.5 min27.4%

Alpine County ranked within California

On average travel time, Alpine County is among the three highest county-level areas in California.

Where Alpine 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.
MeasureAlpine CountyCalifornia rank
Traffic volume (AADT)1,433#58 of 58
Average travel time49.0 min#3 of 58
Average driver income$109,514#16 of 58
Average driver age50.6 yrs#13 of 58

Alpine County ranks #3 of 58 on average travel time but #58 of 58 on average daily traffic volume. Some of the longest trips in California on some of its emptiest roads - distance, not congestion, is what sets travel time here.

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 Alpine County

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

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