
Total Traffic Volume & Performance in Glenn County, California
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,803 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 19.2% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 33.3 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. | 11.7% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 46.9 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $75,100 |
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A typical monitored road in Glenn County, California sees 2,803 vehicles per day, while its 316 miles of monitored roads together handle 1,075,542 vehicle-miles traveled per day (≈393 million per year). About 1 in 5 vehicles is a truck, well above the 7.8% across California - a freight-heavy mix.
Traffic 78% below the California average
Glenn's average daily traffic volume is 78% lower than the state average - 2,803 vehicles per day against 12,766 - suggesting less traffic load per road - quiet roads that suit freight movement more than drive-by retail. In total volume terms, its road network carries about 0.1% of California's statewide total of vehicle-miles. By volume, Glenn's 2,803 vehicles per day trails 88% of counties in California.
At 33.3 minutes, the average travel time matches the state level closely. 58% of counties in California have a longer average travel time than Glenn's 33.3 minutes.
At 57% lower than the state level, the 11.7% congestion ratio signals smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Glenn County, California
| Traffic | vehicles per day10,057 |
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| Trucks | 26.0% |
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| Average travel time | 58.7 min |
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| Congestion ratio | 21.5% |
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| Drivers’ average age | 48.9 yrs |
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| Drivers’ average income | $74,220 |
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Highways carry more than half of all travel in Glenn County, California (62% of vehicle-miles). The average highway carries 10,057 vehicles per day, 299% more than the average non-highway road in the same area, which carries 2,519 vehicles per day.
Yet highways are only 19% of the road network, 61 miles in 82 segments, so each mile of them is 3.2 times as busy as the average road mile.
The highest highway truck share of any county in California
Highway truck concentration here runs 150% higher than the state average, at 26.0%. That marks Glenn as a major freight corridor, where highway access is what logistics operators compete on.
Glenn also posts the highest highway truck share in California - 26.0%. Glenn's highway truck count is lower than 51% of counties in California, at roughly 2,611 trucks per day.

Non-highway Traffic in Glenn County, California
| Traffic | vehicles per day2,519 |
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| Trucks | 8.4% |
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| Average travel time | 32.3 min |
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| Congestion ratio | 11.3% |
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| Drivers’ average age | 46.0 yrs |
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| Drivers’ average income | $75,661 |
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A significant share of driving in Glenn County, California, 38% of vehicle-miles, happens on local roads. On the average non-highway road, that comes to 2,519 vehicles per day.
Local roads make up 81% of the monitored road miles (255 miles in 2,091 segments) but carry less than their share of travel: 413,172 vehicle-miles traveled per day (≈151 million per year). About 1 in 12 vehicles on non-highway roads is a truck (8.4%).
Drivers from lower-income areas than 79% of counties in California
Non-highway roads carry a truck concentration that's 68% lower than the highway network.
At 57% lower than the state level, the non-highway congestion ratio of 11.3% signals easier movement on local roads.
Trip origins here have lower average income than 79% of counties in California. Glenn's median driver age is higher than 63% of counties in California.