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Traffic heat map of Amador County, California: 270 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Sutter Street and CA 49 / CA 88

Amador County, California Traffic Counts

Traffic analytics for Amador County, California, calculated from real-world mobile and sensor networks on 2,745 road segments (270 road miles, about 519 ft each). Its busiest road, Sutter Street, carries 22,868 vehicles a day, 5.3 times the average road. Use the figures below to move from assumptions to certainty on retail locations, logistics and road planning.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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Total Traffic Volume & Performance in Amador County, California

Traffic

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

vehicles per day4,340
Trucks

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

7.4%
Average travel time

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

34.3 min
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

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

54.6 yrs
Drivers’ average income

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

$85,117

Our data shows 4,340 vehicles per day on the average road in Amador County, California, and 915,834 vehicle-miles traveled per day (≈334 million per year) across its 270 miles of monitored roads. Trucks are 7.4% of traffic, close to the 7.8% across California.

Traffic 66% below the California average

At 4,340 vehicles per day, the average monitored road in Amador carries 66% less traffic than the state average of 12,766, suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Network-wide, Amador accounts for less than 0.1% of California's statewide total of vehicle-miles. 77% of counties in California see more traffic than Amador's 4,340 vehicles per day.

At 34.3 minutes, the average travel time matches the state level closely. On travel time, Amador runs longer than 60% of counties in California.

At 43% lower than the state level, the 15.5% congestion ratio signals smoother traffic flow - fewer delays make delivery windows more reliable.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

In Amador County, California, the peak hour concentrates about 7% of the day's traffic.

Amador County vs. California Traffic Comparison

Of the four measures, average daily traffic per road differs most: Amador County runs 66% below the California average. The other measures stay close to the average.

MetricAmador CountyCalifornia averageDifference
Traffic4,34012,766-66.0%
Truck % (Total Traffic)7.4%7.8%-4.4%
Avg. Travel Time34.3 min34.5 min-0.5%

How Amador County compares

Amador County against nearby counties

Compared with its 4 closest neighbours, Amador County moves 7.3% of the total daily travel and carries 40.8% less traffic on a typical road; it has the fourth busiest roads of the five. Less traffic and more room for it - the roads here run both quieter and freer than the areas around them.

Amador 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
Amador County4,3407.4%915,83434.3 min15.5%
Calaveras County, California3,2266.8%907,92531.8 min13.2%
El Dorado County, California5,3146.4%4,239,40830.3 min14.9%
Sacramento County, California11,8025.8%33,124,74633.3 min27.9%
Placer County, California8,9677.9%11,780,50230.8 min24.3%
California average12,7667.8%N/A34.5 min27.4%

Amador County ranked within California

Average driver age places Amador County #8 of 58 in California - the top quarter of the state.

Amador County ranked among 58 county-level areas in California (1 = highest).
MeasureAmador CountyCalifornia rank
Traffic volume (AADT)4,340#45 of 58
Average travel time34.3 min#24 of 58
Average driver income$85,117#33 of 58
Average driver age54.6 yrs#8 of 58

The two ends of this table sit far apart: #8 of 58 on average driver age, against #45 of 58 on average daily traffic volume.

Busiest roads in Amador County, California

The three busiest roads in Amador County average 19,933 vehicles a day, 4.6 times the county average of 4,340 across all its monitored roads.

Sutter Street is the busiest road, at 22,868 vehicles a day, 818 of them trucks (3.6%). CA 49 / CA 88 is practically level with it at 22,274. CA 49 / CA 88 carries the most trucks, 972 a day (4.4% of its traffic), although it ranks #2 for all traffic.

Few trucks use Sutter Street: 3.6% of its traffic, under half the county's 7.4%.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Sutter StreetPrimary road · 22,868vehicles818trucks · 3.6%
Road class
Primary road
Congestion ratio
33.4%
Median trip time
32.2 min
Drivers’ median age
54.8 yrs
Drivers’ average income
$82,738

Delays build on Sutter Street: its congestion ratio of 33% over free-flow time is well above the county's 16%.

2CA 49 / CA 88Primary road · 22,274vehicles972trucks · 4.4%
Road class
Primary road
Congestion ratio
29.3%
Median trip time
31.9 min
Drivers’ median age
54.2 yrs
Drivers’ average income
$82,696

CA 49 / CA 88 is a trunk route for the county, carrying 5.1 times the county average on its busiest stretch; trucks are 4.4% of it, below the county-wide 7.4%.

3CA 49Primary road · 14,657vehicles774trucks · 5.3%
Road class
Primary road
Congestion ratio
27.7%
Median trip time
34.8 min
Drivers’ median age
53.9 yrs
Drivers’ average income
$82,090

CA 49 carries 3.4 times the county average on its busiest stretch, where the median trip lasts 34.8 minutes.

4CA 88 / CA 104Primary road · 13,643vehicles818trucks · 6.0%
Road class
Primary road
Congestion ratio
32.3%
Median trip time
30.1 min
Drivers’ median age
52.3 yrs
Drivers’ average income
$85,971

Travel on CA 88 / CA 104's busiest stretch runs 32% over free-flow time, against 16% across the county, so expect slower peak hours.

5Main StreetPrimary road · 12,777vehicles859trucks · 6.7%
Road class
Primary road
Congestion ratio
30.5%
Median trip time
42.2 min
Drivers’ median age
54.6 yrs
Drivers’ average income
$85,452

At 2.9 times the county average, Main Street draws drivers from neighborhoods averaging $85,452 in household income.

Ranked by trucks per day

Cars and light vehiclesTrucks
1CA 49 / CA 88Primary road · #2 by traffic22,274vehicles972trucks · 4.4%
2Main StreetPrimary road · #5 by traffic12,777vehicles859trucks · 6.7%
3Sutter StreetPrimary road · #1 by traffic22,868vehicles818trucks · 3.6%
4CA 88 / CA 104Primary road · #4 by traffic13,643vehicles818trucks · 6.0%
5CA 49Primary road · #3 by traffic14,657vehicles774trucks · 5.3%
How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

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

AmadorDepartment of Transportation

Demographic Baseline for O-D Modeling

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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Counties near Amador County

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

Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.