This page delivers traffic analytics for Santa Clara County, California. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Santa Clara County, California among 2,038 road miles divided in 70,288 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 153 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.
The average number of vehicles that travel each day over any road in the road network.
13,366
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
5.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.0 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.
27.4%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
42.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$161,336
Our data indicates an estimated average traffic volume of 13,366 vehicles per day in Santa Clara County, California that results in 42,004,951 vehicle-miles traveled per day (≈15.3 billion per year). The traffic stream is comprised of an average of 1 truck for every 18 vehicles. Typical time spent behind the wheel per trip is 32.0 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the California state averages: At 13,366 vehicles per day, the average monitored road in Santa Clara carries 5% more traffic than the state average of 12,766 vehicles per day - a critical factor for logistics and site planning. Across the whole network that adds up to 42,004,951 vehicle-miles traveled per day (≈15.3 billion per year), roughly 4.5% of California's statewide total. The average trip takes 32.0 minutes, 7% lower than the state level. At 27.4%, the congestion ratio matches the state level closely. Santa Clara carries more traffic than 93% of counties in California. 18% of counties in California have a shorter average travel time than Santa Clara's 32.0 minutes.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
43,126
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.4%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.6 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.
57.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
42.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$158,976
A significant volume of traffic in Santa Clara County, California utilizes the highway network. The average highway carries 43,126 vehicles per day, 272% more than the average non-highway road in the same area, which carries 11,588 vehicles per day. That average covers 466 highway road miles divided in 3,963 segments (average segment length 620 ft), together carrying 25,062,508 vehicle-miles traveled per day (≈9.1 billion per year). By highway travel volume, Santa Clara outranks 90% of counties in California. Trucks constitute 6.4% of highway traffic.
Analytical insight
The concentration of trucks on highways (6.4%) is 38% lower than the state average for similar road classifications. This indicates Santa Clara serves as a primarily local traffic hub. For logistics operators, this validates the importance of local access. 6% of counties in California see a lower highway truck share than Santa Clara's 6.4%. By raw truck volume, Santa Clara carries more highway trucks than 63% of counties in California.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
11,588
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
4.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
31.9 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.
25.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
43.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$164,137
The non-highway road network in Santa Clara County, California supports a substantial volume of traffic. The average non-highway road carries 11,588 vehicles per day, 73% less than the average highway in the same area, which carries 43,126 vehicles per day. That average covers 1,572 non-highway road miles divided in 66,325 segments (average segment length 125 ft), together carrying 16,942,442 vehicle-miles traveled per day (≈6.2 billion per year). Trucks constitute 4.0% of non-highway traffic.
Analytical insight
Compared to highways, non-highway routes see 38% fewer trucks by share. At 3% lower than the state level, the non-highway congestion ratio of 25.6% signals easier movement on local roads. Santa Clara's overall average travel time exceeds 18% of counties in California. Santa Clara's average driver income exceeds 98% of counties in California. 23% of counties in California have a younger driver population than Santa Clara.
Time-of-Day & Seasonal Patterns
Analytical insight
In Santa Clara County, California, the peak hour concentrates about 7% of the day's traffic.
Traffic Flow Profile Comparison
Metric
Santa Clara
California
Average
Difference
Traffic
13,366
12,766
+4.7%
Truck % (Total Traffic)
5.5%
7.8%
-29.9%
Truck % (Highway)
6.4%
10.4%
-38.0%
Avg. Travel Time
32.0 min
34.5 min
-7.2%
Frequently Asked Questions
The average daily traffic volume is calculated at 13,366 vehicles per day, providing a baseline for daily operations and site assessment.
Santa Clara's highway truck share of 6.4% is higher than 6% of counties in California.
Approximately 9% of highway traffic and 1% of non-highway traffic consists of vehicles whose trip originates outside Santa Clara County, California. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
Trucks account for approximately 5.5% of the total traffic mix across all road types, with a significantly higher concentration of 6.4% on highways.
The average travel time for drivers is 32.0 minutes, offering a standard metric for commute and delivery route planning.
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)
