Columbia, Washington Traffic Data

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Estimated annual traffic volume: 1,069,815 vehicles. Based on an average trip distance of 7.7 mi and an average travel time of 51.5 min, the estimated average travel speed is 9.0 mph. This reflects door-to-door average speed, including time stopped at traffic signals, in congestion, and at intersections.
Annual highway traffic is 1,266,550 vehicles, which is 24% more than non-highway traffic. Trucks make up 5% of highway traffic, which means there are approximately 173 daily trucks on highways within Columbia County, or an estimated 63,145 trucks per year.
Non-highway average travel time is 52.6 min, which is 13% more than on highways. Average trip distance on non-highway roads is 6.2 mi, which is 57% less than on highways. The average age of non-highway drivers is 56.1 yrs, which is 7% more than on highways. The average income of non-highway drivers is $78,032, which is 5% less than on highways.

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