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Traffic | vehicles per day9,292 |
|---|---|
Trucks | 6.3% |
Average travel time | 32.6 min |
Congestion ratio | 22.5% |
Drivers’ average age | 43.7 yrs |
Drivers’ average income | $91,996 |
The average monitored road in Ada County, Idaho carries 9,292 vehicles per day. Across its 975 miles of monitored roads, that adds up to 9,986,228 vehicle-miles traveled per day (≈3.6 billion per year). About 1 in 16 vehicles is a truck, fewer than the 1 in 10 across Idaho.
At 9,292 vehicles per day, the average monitored road in Ada carries 62% more traffic than the state average of 5,734, suggesting more demand on each road - heavy exposure for roadside retail, and tight road space for deliveries. In total volume terms, its road network carries about 22% of Idaho's statewide total of vehicle-miles. Ada stands out as having the highest traffic volume in Idaho - 9,292 vehicles per day.
The average trip takes 32.6 minutes, on par with the state level. On travel time, Ada runs shorter than 58% of counties in Idaho.
At 41% higher than the state level, the 22.5% congestion ratio signals more pronounced congestion - a factor for delivery windows and signal timing.
| Traffic | vehicles per day30,750 |
|---|---|
| Trucks | 10.0% |
| Average travel time | 33.8 min |
| Congestion ratio | 52.1% |
| Drivers’ average age | 44.2 yrs |
| Drivers’ average income | $87,984 |
A significant share of driving in Ada County, Idaho, 34% of vehicle-miles, happens on highways. The average highway carries 30,750 vehicles per day, 245% more than the average non-highway road in the same area, which carries 8,923 vehicles per day.
Yet highways are only 11% of the road network, 104 miles in 482 segments, so each mile of them is 3.2 times as busy as the average road mile.
No county in Idaho moves more traffic on its highways.
At 10.0%, highway truck share is 29% lower than the state average. Trucks are a small share of a very large highway flow, so Ada still moves heavy freight volumes alongside its passenger traffic.
68% of counties in Idaho see a higher highway truck share than Ada's 10.0%. At roughly 3,286 trucks per day, Ada carries the highest volume of highway trucks in Idaho.
| Traffic | vehicles per day8,923 |
|---|---|
| Trucks | 4.3% |
| Average travel time | 32.6 min |
| Congestion ratio | 22.0% |
| Drivers’ average age | 43.5 yrs |
| Drivers’ average income | $93,898 |
Local roads carry more than half of all travel in Ada County, Idaho (66% of vehicle-miles). A typical local road sees 8,923 vehicles per day.
Local roads make up 89% of the monitored road miles (871 miles in 28,067 segments) but carry less than their share of travel: 6,579,087 vehicle-miles traveled per day (≈2.4 billion per year). The truck share on non-highway roads is 4.3%.
The concentration of trucks on non-highway roads is 57% lower than on highways.
The non-highway congestion ratio of 22.0% is 34% higher than the state level, suggesting slower local mobility than the state average.
98% of counties in Idaho see lower average driver income among trip origins than Ada. The driver population here skews younger than 70% of counties in Idaho.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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