
Total Traffic Volume & Performance in Jefferson County, Oregon
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,979 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 9.7% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 33.5 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. | 10.0% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 48.3 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $73,638 |
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A typical monitored road in Jefferson County, Oregon sees 2,979 vehicles per day, while its 256 miles of monitored roads together handle 690,279 vehicle-miles traveled per day (≈252 million per year). About 1 in 10 vehicles is a truck, in line with Oregon (9.2%).
Traffic 50% below the Oregon average
Jefferson's average daily traffic volume is 50% lower than the state average - 2,979 vehicles per day against 5,908 - suggesting less traffic load per road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Jefferson accounts for about 0.8% of Oregon's statewide total of vehicle-miles. 69% of counties in Oregon see more traffic than Jefferson's 2,979 vehicles per day.
The average trip takes 33.5 minutes, on par with the state level. Its average travel time of 33.5 minutes is shorter than 69% of counties in Oregon.
The congestion ratio of 10.0% is 40% lower, pointing to smoother traffic flow than the state level - fewer delays make delivery windows more reliable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Jefferson County, Oregon
| Traffic | vehicles per day8,988 |
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| Trucks | 10.4% |
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| Average travel time | 44.9 min |
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| Congestion ratio | 23.3% |
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| Drivers’ average age | 48.4 yrs |
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| Drivers’ average income | $73,860 |
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Highways carry most of the traffic in Jefferson County, Oregon: 75% of all vehicle-miles. The average highway carries 8,988 vehicles per day, 701% more than the average non-highway road in the same area, which carries 1,122 vehicles per day.
Highways make up 28% of the monitored road miles (72 miles, 507 segments), so they carry more than their share: 516,970 vehicle-miles traveled per day (≈189 million per year).
Fewer highway trucks than 75% of counties in Oregon
At 10.4%, highway truck share is 13% lower than the state average. The highway traffic mix is typical for Oregon: neither freight- nor commuter-dominated.
By truck concentration, highways here trail 56% of counties in Oregon. Jefferson's highway truck count is lower than 75% of counties in Oregon, at roughly 937 trucks per day.

Non-highway Traffic in Jefferson County, Oregon
| Traffic | vehicles per day1,122 |
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| Trucks | 7.4% |
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| Average travel time | 30.0 min |
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| Congestion ratio | 5.9% |
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| Drivers’ average age | 47.2 yrs |
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| Drivers’ average income | $73,282 |
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At 25% of vehicle-miles, local roads carry a smaller share of the traffic in Jefferson County, Oregon than highways. On the average non-highway road, that comes to 1,122 vehicles per day.
Local roads make up 72% of the monitored road miles (183 miles in 1,641 segments) but carry less than their share of travel: 173,310 vehicle-miles traveled per day (≈63.3 million per year). Trucks make up 7.4% of non-highway traffic, about 1 in 14 vehicles.
Local congestion 63% below the Oregon average
Compared to highways, non-highway routes see 29% fewer trucks by share.
At 63% lower than the state level, the non-highway congestion ratio of 5.9% signals easier movement on local roads.
Jefferson's average driver income is higher than 60% of counties in Oregon. The driver population here skews older than 51% of counties in Oregon.