
Total Traffic Volume & Performance in Union County, Oregon
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day2,375 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 20.0% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 41.0 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. | 7.9% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 47.3 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $67,271 |
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Our data shows 2,375 vehicles per day on the average road in Union County, Oregon, and 916,121 vehicle-miles traveled per day (≈334 million per year) across its 364 miles of monitored roads. Freight weighs heavily here: trucks are 20.0% of traffic, against 9.2% across Oregon.
Longer trips than 89% of counties in Oregon
At 2,375 vehicles per day, the average monitored road in Union carries 60% less traffic than the state average of 5,908, suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Network-wide, Union accounts for about 1.1% of Oregon's statewide total of vehicle-miles. 77% of counties in Oregon see more traffic than Union's 2,375 vehicles per day.
The average trip takes 41.0 minutes, 20% higher than the state level. Its average travel time of 41.0 minutes is longer than 89% of counties in Oregon.
The congestion ratio of 7.9% is 52% lower, pointing to smoother traffic flow than the state level - free-flowing roads make scheduled deliveries highly predictable.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Union County, Oregon
| Traffic | vehicles per day5,853 |
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| Trucks | 27.6% |
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| Average travel time | 53.3 min |
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| Congestion ratio | 12.6% |
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| Drivers’ average age | 48.6 yrs |
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| Drivers’ average income | $72,451 |
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Highways carry more than half of all travel in Union County, Oregon (63% of vehicle-miles). The average highway carries 5,853 vehicles per day, 174% more than the average non-highway road in the same area, which carries 2,138 vehicles per day.
Highways make up 26% of the monitored road miles (93 miles, 150 segments), so they carry more than their share: 572,908 vehicle-miles traveled per day (≈209 million per year).
The highest highway truck share of any county in Oregon
The concentration of trucks on highways (27.6%) is 130% higher than the state average for similar road classifications. That marks Union as a major freight corridor, where highway access is what logistics operators compete on.
At 27.6%, Union's highway truck concentration is the highest in Oregon. Union's highway truck count is higher than 78% of counties in Oregon, at roughly 1,614 trucks per day.

Non-highway Traffic in Union County, Oregon
| Traffic | vehicles per day2,138 |
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| Trucks | 7.4% |
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| Average travel time | 40.2 min |
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| Congestion ratio | 7.6% |
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| Drivers’ average age | 46.8 yrs |
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| Drivers’ average income | $65,613 |
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Local roads carry a significant share of travel in Union County, Oregon: 37% of all vehicle-miles. On the average non-highway road, that comes to 2,138 vehicles per day.
Spread over 271 miles and 2,204 segments, 74% of the road network, local roads carry a lighter load per mile: 343,212 vehicle-miles traveled per day (≈125 million per year). The truck share on non-highway roads is 7.4%.
Local congestion 53% below the Oregon average
Compared to highways, non-highway routes see 73% fewer trucks by share.
At 53% lower than the state level, the non-highway congestion ratio of 7.6% signals easier movement on local roads.
69% of counties in Oregon see higher average driver income among trip origins than Union. Union's median driver age is lower than 63% of counties in Oregon.