
Total Traffic Volume & Performance in Yamhill County, Oregon
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day4,183 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 7.0% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 33.7 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. | 12.7% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 46.0 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $90,297 |
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Our data shows 4,183 vehicles per day on the average road in Yamhill County, Oregon, and 1,747,809 vehicle-miles traveled per day (≈638 million per year) across its 446 miles of monitored roads. Trucks are a smaller part of the mix than across Oregon: 7.0% against 9.2%.
Shorter trips than 66% of counties in Oregon
At 4,183 vehicles per day, the average monitored road in Yamhill carries 29% less traffic than the state average of 5,908, suggesting less demand on each road - less drive-by exposure for retail, but easier access for deliveries. Across the whole network, that travel is about 2.0% of Oregon's statewide total. 57% of counties in Oregon see less traffic than Yamhill's 4,183 vehicles per day.
The average trip takes 33.7 minutes, on par with the state level. Its average travel time of 33.7 minutes is shorter than 66% of counties in Oregon.
Congestion runs 23% lower than the state level, at a ratio of 12.7%, which means smoother traffic flow - crucial for traffic control improvement and logistics planning.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Yamhill County, Oregon
| Traffic | vehicles per day13,093 |
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| Trucks | 7.7% |
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| Average travel time | 35.5 min |
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| Congestion ratio | 28.9% |
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| Drivers’ average age | 46.2 yrs |
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| Drivers’ average income | $88,926 |
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Travel in Yamhill County, Oregon splits roughly evenly, with about half of it (51% of vehicle-miles) on highways. The average highway carries 13,093 vehicles per day, 357% more than the average non-highway road in the same area, which carries 2,862 vehicles per day.
That comes from just 16% of the monitored road miles: 70 miles in 1,426 segments, carrying 891,222 vehicle-miles traveled per day (≈325 million per year).
Lower highway truck share than 84% of counties in Oregon
Highway truck concentration here runs 36% lower than the state average, at 7.7%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
Yamhill's highway truck share (7.7%) is lower than 84% of counties in Oregon. Yamhill's highway truck count is lower than 59% of counties in Oregon, at roughly 1,007 trucks per day.

Non-highway Traffic in Yamhill County, Oregon
| Traffic | vehicles per day2,862 |
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| Trucks | 6.2% |
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| Average travel time | 33.4 min |
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| Congestion ratio | 10.3% |
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| Drivers’ average age | 45.6 yrs |
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| Drivers’ average income | $91,609 |
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Travel in Yamhill County, Oregon splits roughly evenly, with about half of it (49% of vehicle-miles) on local roads. A typical local road sees 2,862 vehicles per day.
Local roads make up 84% of the monitored road miles (376 miles in 9,618 segments) but carry less than their share of travel: 856,587 vehicle-miles traveled per day (≈313 million per year). Trucks make up 6.2% of non-highway traffic, about 1 in 16 vehicles.
Drivers from higher-income areas than 91% of counties in Oregon
Non-highway roads carry a truck concentration that's 19% lower than the highway network.
At 36% lower than the state level, the non-highway congestion ratio of 10.3% signals easier movement on local roads.
Trip origins here have higher average income than 91% of counties in Oregon. The driver population here skews younger than 74% of counties in Oregon.