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Traffic heat map of Kings County, California: 697 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Side Freeway and CA 198

Kings County, California Traffic Counts

How busy are the roads of Kings County, California? We measure 697 road miles, divided into 8,096 segments, with multi-sourced, cross-verified mobile and sensor data. Its drivers are the youngest of any county in California, a median 40 years. The breakdown below covers volume, trucks, congestion and driver profiles for retailers, logistics planners and engineers.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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total traffic icon

Total Traffic Volume & Performance in Kings County, California

Traffic

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

vehicles per day5,883
Trucks

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

13.9%
Average travel time

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

31.7 min
Congestion ratio

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

17.1%
Drivers’ average age

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

39.7 yrs
Drivers’ average income

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

$78,520

A typical monitored road in Kings County, California sees 5,883 vehicles per day, while its 697 miles of monitored roads together handle 4,712,577 vehicle-miles traveled per day (≈1.7 billion per year). About 1 in 7 vehicles is a truck, well above the 7.8% across California - a freight-heavy mix.

Shorter trips than 87% of counties in California

Kings sees 54% lower average daily traffic volume than the state average (5,883 vehicles per day against 12,766), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Across the whole network, that travel is about 0.5% of California's statewide total. 58% of counties in California see more traffic than Kings's 5,883 vehicles per day.

Journey times run 8% lower than the state level, at 31.7 minutes on average. Its average travel time of 31.7 minutes is shorter than 87% of counties in California.

Congestion runs 38% lower than the state level, at a ratio of 17.1%, which means smoother traffic flow - travel times are easy to plan around for scheduled deliveries.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Kings County, California

Trafficvehicles per day11,568
Trucks18.1%
Average travel time38.8 min
Congestion ratio32.1%
Drivers’ average age39.7 yrs
Drivers’ average income$78,424

Highways carry more than half of all travel in Kings County, California (59% of vehicle-miles). The average highway carries 11,568 vehicles per day, 107% more than the average non-highway road in the same area, which carries 5,578 vehicles per day.

Highways make up 25% of the monitored road miles (174 miles, 412 segments), so they carry more than their share: 2,763,564 vehicle-miles traveled per day (≈1.0 billion per year).

Freight-heavy highways

Highway truck concentration here runs 75% higher than the state average, at 18.1%. Highways here lean toward freight, so highway access is a real asset for logistics operators.

By truck concentration, highways here outrank 82% of counties in California. By raw truck volume, Kings carries more highway trucks than 53% of counties in California.

non-highway traffic icon

Non-highway Traffic in Kings County, California

Trafficvehicles per day5,578
Trucks7.8%
Average travel time31.3 min
Congestion ratio16.3%
Drivers’ average age39.7 yrs
Drivers’ average income$78,588

Local roads carry a significant share of travel in Kings County, California: 41% of all vehicle-miles. A typical local road sees 5,578 vehicles per day.

Local roads make up 75% of the monitored road miles (522 miles in 7,684 segments) but carry less than their share of travel: 1,949,012 vehicle-miles traveled per day (≈711 million per year). Trucks make up 7.8% of non-highway traffic, about 1 in 13 vehicles.

The youngest drivers of any county in California

Compared to highways, non-highway routes see 57% fewer trucks by share.

Non-highway congestion (16.3%) runs 39% lower than the state average, pointing to smoother local traffic flow.

Trip origins here have lower average income than 70% of counties in California. Kings has the lowest median driver age in California - 40 years.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and a long afternoon plateau from 3:00 PM to 9:00 PM, with volumes reaching approximately 67% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 12% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +5% versus the annual average.
Lowest month:
January is the quietest month, with volumes -16% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Kings County, California, the peak hour concentrates about 7% of the day's traffic, and there is a noticeable seasonal swing of +5% in high season.

Kings County vs. California Traffic Comparison

The truck share sets Kings County apart: 79% above the California average. Its highway truck share is also 75% above.

MetricKings CountyCalifornia averageDifference
Traffic5,88312,766-53.9%
Truck % (Total Traffic)13.9%7.8%+78.5%
Truck % (Highway)18.1%10.4%+74.8%
Avg. Travel Time31.7 min34.5 min-8.1%

How Kings County compares

Kings County has a higher truck share than any nearby county

Set against the average of the 4 areas nearest to it, Kings County moves 39.7% of the total daily travel; it has the quietest roads of the five. Smaller and quieter on both counts: a shorter network than the areas around it, carrying lighter traffic across it.

Kings 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
Kings County5,88313.9%4,712,57731.7 min17.1%
Fresno County, California8,85411.0%26,109,74032.8 min25.3%
Tulare County, California6,29011.6%11,280,06034.6 min15.3%
San Luis Obispo County, California6,5617.0%8,188,44832.3 min18.3%
San Benito County, California7,89410.4%1,898,68033.7 min21.0%
California average12,7667.8%N/A34.5 min27.4%

Kings County ranked within California

No county-level area in California records a lower average driver age than Kings County.

Kings County ranked among 58 county-level areas in California (1 = highest); measures without data in every county rank a smaller field, down to 52.
MeasureKings CountyCalifornia rank
Traffic volume (AADT)5,883#34 of 58
Highway vehicle-miles per day2,763,564#29 of 52
Truck share on highways18.1%#10 of 52
Highway trucks per day2,098#25 of 52
Average travel time31.7 min#50 of 58
Average driver income$78,520#41 of 58
Average driver age39.7 yrs#58 of 58

The two ends of this table sit far apart: #10 of 52 on truck share on highways, against #58 of 58 on average driver age.

Busiest roads in Kings County, California

The three busiest roads in Kings County average 42,400 vehicles a day, 7.2 times the county average of 5,883 across all its monitored roads.

Side Freeway is the busiest road, at 43,835 vehicles a day, 11,193 of them trucks (25.5%). It also carries the most trucks.

Side Freeway carries longer journeys than most roads here, with a median trip of 65.0 minutes against 31.7 county-wide.

Freight stands out on Side Freeway: trucks are 25.5% of the traffic there, against 13.9% county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Side FreewayMotorway · 43,835vehicles11,193trucks · 25.5%
Road class
Motorway
Congestion ratio
61.5%
Median trip time
65.0 min
Drivers’ median age
40.2 yrs
Drivers’ average income
$76,677

Travel on Side Freeway's busiest stretch runs 61% over free-flow time, against 17% across the county, so expect slower peak hours.

2CA 198Motorway · 41,778vehicles3,440trucks · 8.2%
Road class
Motorway
Congestion ratio
48.9%
Median trip time
33.6 min
Drivers’ median age
39.7 yrs
Drivers’ average income
$77,982

CA 198 is one of the more congested roads here: trips take 49% longer than at free-flow speed, against 17% county-wide.

3George Alan Ingalls Memorial HighwayMotorway · 41,587vehicles3,963trucks · 9.5%
Road class
Motorway
Congestion ratio
48.4%
Median trip time
32.4 min
Drivers’ median age
40.2 yrs
Drivers’ average income
$81,460

A main artery: George Alan Ingalls Memorial Highway's busiest stretch carries 7.1 times the county average; trucks are 9.5% of it, below the county-wide 13.9%.

4Lacey BoulevardTrunk road · 35,030vehicles2,958trucks · 8.4%
Road class
Trunk road
Congestion ratio
38.8%
Median trip time
32.9 min
Drivers’ median age
40.5 yrs
Drivers’ average income
$88,383

Lacey Boulevard is a trunk route for the county, carrying 6.0 times the county average on its busiest stretch; trucks are 8.4% of it, below the county-wide 13.9%.

5Avenue 296Trunk road · 32,953vehicles2,909trucks · 8.8%
Road class
Trunk road
Median trip time
34.4 min
Drivers’ median age
40.5 yrs
Drivers’ average income
$88,833

Avenue 296 carries 5.6 times the county average at its busiest, 2,909 of them trucks (8.8%, below the county-wide 13.9%).

Ranked by trucks per day

Cars and light vehiclesTrucks
1Side FreewayMotorway · #1 by traffic43,835vehicles11,193trucks · 25.5%
2George Alan Ingalls Memorial HighwayMotorway · #3 by traffic41,587vehicles3,963trucks · 9.5%
3CA 198Motorway · #2 by traffic41,778vehicles3,440trucks · 8.2%
4Lacey BoulevardTrunk road · #4 by traffic35,030vehicles2,958trucks · 8.4%
5Avenue 296Trunk road · #5 by traffic32,953vehicles2,909trucks · 8.8%
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

KingsDepartment 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 Kings County

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

Need segment-level traffic data?

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