
Total Traffic Volume & Performance in Riverside County, California
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day12,881 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 8.5% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 34.5 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. | 29.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 41.8 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $103,254 |
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A typical monitored road in Riverside County, California sees 12,881 vehicles per day, while its 4,160 miles of monitored roads together handle 71,474,673 vehicle-miles traveled per day (≈26.1 billion per year). About 1 in 12 vehicles is a truck, in line with California (7.8%).
Busier roads than 91% of counties in California
Riverside's average daily traffic volume of 12,881 vehicles per day is on par with the state average of 12,766. In total volume terms, its road network carries about 7.7% of California's statewide total of vehicle-miles. Riverside carries more traffic than 91% of counties in California.
The average trip takes 34.5 minutes, on par with the state level. 61% of counties in California have a shorter average travel time than Riverside's 34.5 minutes.
The congestion ratio of 29.2% runs slightly higher than the state level (7% higher).
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Riverside County, California
| Traffic | vehicles per day45,062 |
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| Trucks | 12.1% |
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| Average travel time | 47.1 min |
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| Congestion ratio | 67.6% |
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| Drivers’ average age | 41.3 yrs |
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| Drivers’ average income | $104,317 |
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Highways carry about half of all travel in Riverside County, California, 51% of vehicle-miles. The average highway carries 45,062 vehicles per day, 284% more than the average non-highway road in the same area, which carries 11,744 vehicles per day.
Highways make up 20% of the monitored road miles (837 miles, 2,683 segments), so they carry more than their share: 36,598,386 vehicle-miles traveled per day (≈13.4 billion per year).
No more than 4 other counties in California move more traffic on their highways.
More highway trucks than 90% of counties in California
At 12.1%, highway truck share is 16% higher than the state average. Highways here lean toward freight, so highway access is a real asset for logistics operators.
By truck concentration, highways here outrank 51% of counties in California. By raw truck volume, Riverside carries more highway trucks than 90% of counties in California.

Non-highway Traffic in Riverside County, California
| Traffic | vehicles per day11,744 |
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| Trucks | 4.7% |
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| Average travel time | 34.0 min |
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| Congestion ratio | 27.9% |
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| Drivers’ average age | 42.5 yrs |
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| Drivers’ average income | $102,552 |
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Local roads carry about half of all travel in Riverside County, California, 49% of vehicle-miles. The average non-highway road carries 11,744 vehicles per day.
Local roads make up 80% of the monitored road miles (3,322 miles in 75,914 segments) but carry less than their share of travel: 34,876,288 vehicle-miles traveled per day (≈12.7 billion per year). Trucks make up 4.7% of non-highway traffic, about 1 in 21 vehicles.
Younger drivers than 86% of counties in California
Non-highway roads carry a truck concentration that's 61% lower than the highway network.
Non-highway congestion (27.9%) runs slightly higher than the state level (5% higher).
61% of counties in California see lower average driver income among trip origins than Riverside. Riverside's median driver age is lower than 86% of counties in California.