
Total Traffic Volume & Performance in San Bernardino County, California
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day12,150 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 11.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 35.4 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. | 23.9% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 42.0 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $95,356 |
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The average monitored road in San Bernardino County, California carries 12,150 vehicles per day. Across its 5,033 miles of monitored roads, that adds up to 71,112,571 vehicle-miles traveled per day (≈26.0 billion per year). Trucks are 11.5% of traffic, more than the 7.8% across California.
Busier roads than 88% of counties in California
The average road in San Bernardino carries 12,150 vehicles per day, essentially matching the state average of 12,766. Network-wide, San Bernardino accounts for about 7.7% of California's statewide total of vehicle-miles. San Bernardino carries more traffic than 88% of counties in California.
Journey times here (35.4 minutes on average) closely track the state level. On travel time, San Bernardino runs longer than 70% of counties in California.
Congestion is somewhat lower than the state level, at a ratio of 23.9% (13% lower) - relevant for traffic control and delivery planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in San Bernardino County, California
| Traffic | vehicles per day41,523 |
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| Trucks | 15.9% |
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| Average travel time | 49.1 min |
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| Congestion ratio | 56.7% |
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| Drivers’ average age | 42.1 yrs |
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| Drivers’ average income | $97,899 |
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A little more than half of the driving in San Bernardino County, California happens on highways: 59% of all vehicle-miles. The average highway carries 41,523 vehicles per day, 276% more than the average non-highway road in the same area, which carries 11,038 vehicles per day.
With 26% of the road miles (1,304 miles in 3,449 segments), highways punch above their length, carrying 42,037,322 vehicle-miles traveled per day (≈15.3 billion per year).
That puts San Bernardino among the top 3 counties in California for highway travel volume.
More highway trucks than 88% of counties in California
Highway truck concentration here runs 53% higher than the state average, at 15.9%. Highways here lean toward freight, so highway access is a real asset for logistics operators.
71% of counties in California see a lower highway truck share than San Bernardino's 15.9%. 88% of counties in California see fewer highway trucks per day than San Bernardino's roughly 6,615.

Non-highway Traffic in San Bernardino County, California
| Traffic | vehicles per day11,038 |
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| Trucks | 5.0% |
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| Average travel time | 34.8 min |
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| Congestion ratio | 22.7% |
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| Drivers’ average age | 42.0 yrs |
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| Drivers’ average income | $93,425 |
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Local roads carry a significant share of travel in San Bernardino County, California: 41% of all vehicle-miles. A typical local road sees 11,038 vehicles per day.
Local roads make up 74% of the monitored road miles (3,729 miles in 91,073 segments) but carry less than their share of travel: 29,075,249 vehicle-miles traveled per day (≈10.6 billion per year). Trucks make up 5.0% of non-highway traffic, about 1 in 20 vehicles.
Younger drivers than 84% of counties in California
Non-highway roads carry a truck concentration that's 68% lower than the highway network.
Non-highway congestion (22.7%) runs slightly lower than the state level (15% lower).
56% of counties in California see lower average driver income among trip origins than San Bernardino. 84% of counties in California have an older driver population than San Bernardino.