
Total Traffic Volume & Performance in Butte County, California
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day7,149 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 6.9% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.2 min |
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Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 21.7% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 42.6 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $77,355 |
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A typical monitored road in Butte County, California sees 7,149 vehicles per day, while its 722 miles of monitored roads together handle 3,985,329 vehicle-miles traveled per day (≈1.5 billion per year). Trucks are 6.9% of traffic, close to the 7.8% across California.
Traffic 44% below the California average
At 7,149 vehicles per day, the average monitored road in Butte carries 44% less traffic than the state average of 12,766, suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. Across the whole network, that travel is about 0.4% of California's statewide total. 56% of counties in California see less traffic than Butte's 7,149 vehicles per day.
Journey times here (34.2 minutes on average) closely track the state level. On travel time, Butte runs longer than 58% of counties in California.
At 21% lower than the state level, the 21.7% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Butte County, California
| Traffic | vehicles per day16,670 |
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| Trucks | 9.6% |
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| Average travel time | 38.9 min |
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| Congestion ratio | 32.9% |
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| Drivers’ average age | 44.0 yrs |
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| Drivers’ average income | $78,620 |
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Highways carry a significant share of travel in Butte County, California: 41% of all vehicle-miles. The average highway carries 16,670 vehicles per day, 162% more than the average non-highway road in the same area, which carries 6,373 vehicles per day.
With 15% of the road miles (107 miles in 722 segments), highways punch above their length, carrying 1,643,547 vehicle-miles traveled per day (≈600 million per year).
Fewer highway trucks than 76% of counties in California
At 9.6%, highway truck share is 8% lower than the state average. The highway traffic mix is typical for California: neither freight- nor commuter-dominated.
65% of counties in California see a higher highway truck share than Butte's 9.6%. Butte's highway truck count is lower than 76% of counties in California, at roughly 1,595 trucks per day.

Non-highway Traffic in Butte County, California
| Traffic | vehicles per day6,373 |
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| Trucks | 5.0% |
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| Average travel time | 33.9 min |
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| Congestion ratio | 20.8% |
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| Drivers’ average age | 42.1 yrs |
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| Drivers’ average income | $76,699 |
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A little more than half of the driving in Butte County, California happens on local roads: 59% of all vehicle-miles. The average non-highway road carries 6,373 vehicles per day.
Spread over 615 miles and 8,860 segments, 85% of the road network, local roads carry a lighter load per mile: 2,341,783 vehicle-miles traveled per day (≈855 million per year). About 1 in 20 vehicles on non-highway roads is a truck (5.0%).
Younger drivers than 81% of counties in California
The concentration of trucks on non-highway roads is 47% lower than on highways.
The non-highway congestion ratio of 20.8% is 21% lower than the state level, suggesting more efficient local mobility than the state average.
Trip origins here have lower average income than 72% of counties in California. 81% of counties in California have an older driver population than Butte.