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Traffic | vehicles per day9,242 |
|---|---|
Trucks | 5.9% |
Average travel time | 33.5 min |
Congestion ratio | 24.2% |
Drivers’ average age | 42.5 yrs |
Drivers’ average income | $103,093 |
Our data shows 9,242 vehicles per day on the average road in Pierce County, Washington, and 17,922,051 vehicle-miles traveled per day (≈6.5 billion per year) across its 1,601 miles of monitored roads. About 1 in 17 vehicles is a truck, fewer than the 1 in 14 across Washington.
Pierce sees 26% higher average daily traffic volume than the state average (9,242 vehicles per day against 7,322), suggesting more demand on each road - more exposure for roadside businesses, and more competition for road space. In total volume terms, its road network carries about 12% of Washington's statewide total of vehicle-miles. By volume, Pierce's 9,242 vehicles per day outpaces 97% of counties in Washington.
At 33.5 minutes, the average travel time matches the state level closely. Its average travel time of 33.5 minutes is shorter than 55% of counties in Washington.
At 22% higher than the state level, the 24.2% congestion ratio signals more pronounced congestion - crucial for traffic control improvement and logistics planning.
| Traffic | vehicles per day45,067 |
|---|---|
| Trucks | 7.8% |
| Average travel time | 42.2 min |
| Congestion ratio | 70.6% |
| Drivers’ average age | 42.9 yrs |
| Drivers’ average income | $98,856 |
Highways carry a significant share of travel in Pierce County, Washington: 39% of all vehicle-miles. The average highway carries 45,067 vehicles per day, 409% more than the average non-highway road in the same area, which carries 8,862 vehicles per day.
Yet highways are only 9% of the road network, 145 miles in 573 segments, so each mile of them is 4.3 times as busy as the average road mile.
No more than 2 other counties in Washington move more traffic on their highways.
The concentration of trucks on highways (7.8%) is 18% lower than the state average for similar road classifications. Trucks are a small share of a very large highway flow, so Pierce still moves heavy freight volumes alongside its passenger traffic.
By truck concentration, highways here trail 78% of counties in Washington. 97% of counties in Washington see fewer highway trucks per day than Pierce's roughly 3,524.
| Traffic | vehicles per day8,862 |
|---|---|
| Trucks | 4.7% |
| Average travel time | 33.4 min |
| Congestion ratio | 23.7% |
| Drivers’ average age | 42.3 yrs |
| Drivers’ average income | $105,090 |
A little more than half of the driving in Pierce County, Washington happens on local roads: 61% of all vehicle-miles. A typical local road sees 8,862 vehicles per day.
Local roads make up 91% of the monitored road miles (1,457 miles in 53,927 segments) but carry less than their share of travel: 10,996,823 vehicle-miles traveled per day (≈4.0 billion per year). The truck share on non-highway roads is 4.7%.
Non-highway roads carry a truck concentration that's 40% lower than the highway network.
The non-highway congestion ratio of 23.7% is 21% higher than the state level, suggesting slower local mobility than the state average.
Trip origins here have higher average income than 95% of counties in Washington. The driver population here skews younger than 89% 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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