This page delivers traffic analytics for Trinity County, California. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Trinity County, California among 123 road miles divided in 828 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 786 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.
2,092
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
24.1%
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.
5.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
59.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$66,947
Our data indicates an estimated average traffic volume of 2,092 vehicles per day in Trinity County, California that results in 206,153 vehicle-miles traveled per day (≈75.2 million per year). The traffic stream is comprised of an average of 1 truck for every 4 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: At 2,092 vehicles per day, the average monitored road in Trinity carries 84% less traffic than the state average of 12,766 vehicles per day - a critical factor for logistics and site planning. In total volume terms, its road network carries 206,153 vehicle-miles traveled per day (≈75.2 million per year), about 0.0% of California's statewide total. The average trip takes 49.0 minutes, 42% higher than the state level. At 79% lower than the state level, the 5.7% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning. 5% of counties in California see less traffic than Trinity's 2,092 vehicles per day. On travel time, Trinity runs longer than 98% of counties in California.
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.
3,367
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
22.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
53.4 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.
6.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
58.9 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$65,070
A significant volume of traffic in Trinity County, California utilizes the highway network. The average highway carries 3,367 vehicles per day, 156% more than the average non-highway road in the same area, which carries 1,317 vehicles per day. That average covers 49 highway road miles divided in 313 segments (average segment length 833 ft), together carrying 125,768 vehicle-miles traveled per day (≈45.9 million per year). Trucks constitute 22.7% of highway traffic.
Analytical insight
Highway truck concentration here runs 118% higher than the state average, at 22.7% - positioning Trinity as a significant freight corridor. For logistics operators, this validates the importance of highway access. By truck concentration, highways here outrank 94% of counties in California. By raw truck volume, Trinity carries more highway trucks than 10% 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.
1,317
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
26.4%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
46.4 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.
5.0%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
60.4 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$69,429
The non-highway road network in Trinity County, California supports a substantial volume of traffic. The average non-highway road carries 1,317 vehicles per day, 61% less than the average highway in the same area, which carries 3,367 vehicles per day. That average covers 74 non-highway road miles divided in 515 segments (average segment length 757 ft), together carrying 80,386 vehicle-miles traveled per day (≈29.3 million per year). Trucks constitute 26.4% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 16% higher than the highway network. At 81% lower than the state level, the non-highway congestion ratio of 5.0% signals easier movement on local roads. Trinity's overall average travel time exceeds 98% of counties in California. 5% of counties in California see lower average driver income among trip origins than Trinity. Trinity has the highest median driver age in California - 60 years.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 11:00 AM–12:00 PM and PM peak 2:00 PM–5:00 PM, with volumes reaching approximately 73% higher than the daily average.
Weekend traffic:
Weekend volumes run about 22% below weekday levels.
Seasonal Fluctuation
Busy season:
July–September is the high season, with volumes +15% versus the annual average.
Lowest month:
February is the quietest month, with volumes -20% versus the annual average.
Analytical insight
In Trinity County, California, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +15% in high season.
Traffic Flow Profile Comparison
Metric
Trinity
California
Average
Difference
Traffic
2,092
12,766
-83.6%
Truck % (Total Traffic)
24.1%
7.8%
+210.6%
Truck % (Highway)
22.7%
10.4%
+118.5%
Avg. Travel Time
49.0 min
34.5 min
+42.2%
Frequently Asked Questions
The average daily traffic volume is calculated at 2,092 vehicles per day, providing a baseline for daily operations and site assessment.
Yes - at a median of 60 years, Trinity has the highest driver age of any county in California.
Approximately 1% of highway traffic and 3% of non-highway traffic consists of vehicles whose trip originates outside Trinity County, California.
Traffic volumes are typically 15% higher during July–September. Volumes drop to their lowest levels in February, averaging 1,672 vehicles per day - a 20% decrease from the annual average.
Trucks account for approximately 24.1% of the total traffic mix across all road types, with a significantly higher concentration of 22.7% on highways.
The average travel time for drivers is 49.0 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)
