
Total Traffic Volume & Performance in Clackamas County, Oregon
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day5,299 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 6.6% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 33.1 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. | 15.7% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 46.3 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $102,591 |
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The average monitored road in Clackamas County, Oregon carries 5,299 vehicles per day. Across its 1,175 miles of monitored roads, that adds up to 7,142,008 vehicle-miles traveled per day (≈2.6 billion per year). Trucks are a smaller part of the mix than across Oregon: 6.6% against 9.2%.
Busier roads than 80% of counties in Oregon
Clackamas's average daily traffic volume is 10% lower than the state average - 5,299 vehicles per day against 5,908 - a factor worth weighing in site selection and logistics planning. Across the whole network, that travel is about 8.2% of Oregon's statewide total. By volume, Clackamas's 5,299 vehicles per day outpaces 80% of counties in Oregon.
The average trip takes 33.1 minutes, on par with the state level. On travel time, Clackamas runs shorter than 77% of counties in Oregon.
At 15.7%, the congestion ratio matches the state level closely.
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Clackamas County, Oregon
| Traffic | vehicles per day20,978 |
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| Trucks | 8.3% |
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| Average travel time | 39.5 min |
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| Congestion ratio | 37.5% |
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| Drivers’ average age | 45.8 yrs |
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| Drivers’ average income | $98,626 |
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Highways carry a significant share of travel in Clackamas County, Oregon: 44% of all vehicle-miles. The average highway carries 20,978 vehicles per day, 354% more than the average non-highway road in the same area, which carries 4,623 vehicles per day.
That comes from just 10% of the monitored road miles: 119 miles in 1,646 segments, carrying 3,133,596 vehicle-miles traveled per day (≈1.1 billion per year).
No more than 4 other counties in Oregon move more traffic on their highways.
More highway trucks than 84% of counties in Oregon
Highway truck concentration here runs 31% lower than the state average, at 8.3%. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
Clackamas's highway truck share (8.3%) is lower than 69% of counties in Oregon. Clackamas's highway truck count is higher than 84% of counties in Oregon, at roughly 1,745 trucks per day.

Non-highway Traffic in Clackamas County, Oregon
| Traffic | vehicles per day4,623 |
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| Trucks | 5.2% |
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| Average travel time | 32.9 min |
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| Congestion ratio | 14.8% |
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| Drivers’ average age | 46.7 yrs |
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| Drivers’ average income | $105,058 |
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Local roads carry more than half of all travel in Clackamas County, Oregon (56% of vehicle-miles). The average non-highway road carries 4,623 vehicles per day.
Local roads make up 90% of the monitored road miles (1,056 miles in 38,212 segments) but carry less than their share of travel: 4,008,411 vehicle-miles traveled per day (≈1.5 billion per year). The truck share on non-highway roads is 5.2%.
Drivers from higher-income areas than 97% of counties in Oregon
Compared to highways, non-highway routes see 37% fewer trucks by share.
Non-highway congestion (14.8%) runs slightly lower than the state level (8% lower).
Clackamas's average driver income is higher than 97% of counties in Oregon. 70% of counties in Oregon have an older driver population than Clackamas.