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Traffic | vehicles per day5,120 |
|---|---|
Trucks | 12.3% |
Average travel time | 33.2 min |
Congestion ratio | 15.0% |
Drivers’ average age | 48.3 yrs |
Drivers’ average income | $79,981 |
A typical monitored road in Cowlitz County, Washington sees 5,120 vehicles per day, while its 442 miles of monitored roads together handle 3,588,922 vehicle-miles traveled per day (≈1.3 billion per year). Freight weighs heavily here: trucks are 12.3% of traffic, against 7.1% across Washington.
Cowlitz's average daily traffic volume is 30% lower than the state average - 5,120 vehicles per day against 7,322 - suggesting less traffic load per road - lighter roads for freight, but less passing trade for roadside retail. Network-wide, Cowlitz accounts for about 2.3% of Washington's statewide total of vehicle-miles. Cowlitz carries more traffic than 63% of counties in Washington.
The average trip takes 33.2 minutes, on par with the state level. On travel time, Cowlitz runs shorter than 61% of counties in Washington.
At 25% lower than the state level, the 15.0% congestion ratio signals smoother traffic flow - crucial for traffic control improvement and logistics planning.
| Traffic | vehicles per day25,830 |
|---|---|
| Trucks | 15.5% |
| Average travel time | 50.4 min |
| Congestion ratio | 41.5% |
| Drivers’ average age | 47.6 yrs |
| Drivers’ average income | $86,860 |
Highways carry more than half of all travel in Cowlitz County, Washington (69% of vehicle-miles). The average highway carries 25,830 vehicles per day, 502% more than the average non-highway road in the same area, which carries 4,292 vehicles per day.
That comes from just 19% of the monitored road miles: 86 miles in 376 segments, carrying 2,487,754 vehicle-miles traveled per day (≈908 million per year).
78% of counties in Washington move less traffic on their highways.
Highway truck concentration here runs 63% higher than the state average, at 15.5%. Highways here lean toward freight, so highway access is a real asset for logistics operators.
84% of counties in Washington see a lower highway truck share than Cowlitz's 15.5%. Cowlitz also moves the highest raw count of highway trucks in Washington, at roughly 4,513 per day.
| Traffic | vehicles per day4,292 |
|---|---|
| Trucks | 5.0% |
| Average travel time | 32.6 min |
| Congestion ratio | 13.9% |
| Drivers’ average age | 48.9 yrs |
| Drivers’ average income | $74,068 |
A significant share of driving in Cowlitz County, Washington, 31% of vehicle-miles, happens on local roads. A typical local road sees 4,292 vehicles per day.
Spread over 357 miles and 9,402 segments, 81% of the road network, local roads carry a lighter load per mile: 1,101,168 vehicle-miles traveled per day (≈402 million per year). The truck share on non-highway roads is 5.0%.
Compared to highways, non-highway routes see 68% fewer trucks by share.
Non-highway congestion (13.9%) runs 29% lower than the state average, pointing to smoother local traffic flow.
Cowlitz's average driver income is higher than 55% of counties in Washington. Cowlitz's median driver age is higher than 58% of counties in Washington.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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