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Traffic | vehicles per day8,629 |
|---|---|
Trucks | 9.2% |
Average travel time | 31.4 min |
Congestion ratio | 20.0% |
Drivers’ average age | 45.0 yrs |
Drivers’ average income | $84,569 |
The average monitored road in Jefferson County, Alabama carries 8,629 vehicles per day. Across its 1,578 miles of monitored roads, that adds up to 19,178,391 vehicle-miles traveled per day (≈7.0 billion per year). About 1 in 11 vehicles is a truck, in line with Alabama (10.6%).
Jefferson's average daily traffic volume is 45% higher than the state average - 8,629 vehicles per day against 5,932 - suggesting more traffic load per road - more exposure for roadside businesses, and more competition for road space. Network-wide, Jefferson accounts for about 14% of Alabama's statewide total of vehicle-miles. 97% of counties in Alabama see less traffic than Jefferson's 8,629 vehicles per day.
At 31.4 minutes, the average travel time matches the state level closely. 69% of counties in Alabama have a longer average travel time than Jefferson's 31.4 minutes.
Congestion runs 29% higher than the state level, at a ratio of 20.0%, which means more pronounced congestion - expect slower peak-hour deliveries and less predictable arrival times.
| Traffic | vehicles per day39,292 |
|---|---|
| Trucks | 12.8% |
| Average travel time | 36.4 min |
| Congestion ratio | 56.1% |
| Drivers’ average age | 45.2 yrs |
| Drivers’ average income | $84,263 |
Highways carry more than half of all travel in Jefferson County, Alabama (56% of vehicle-miles). The average highway carries 39,292 vehicles per day, 419% more than the average non-highway road in the same area, which carries 7,564 vehicles per day.
With 20% of the road miles (309 miles in 1,224 segments), highways punch above their length, carrying 10,731,185 vehicle-miles traveled per day (≈3.9 billion per year).
By highway travel volume, Jefferson ranks first in Alabama.
Highway truck concentration here runs 14% lower than the state average, at 12.8%. The highway traffic mix is typical for Alabama: neither freight- nor commuter-dominated.
Jefferson's highway truck share (12.8%) is lower than 64% of counties in Alabama. At roughly 4,428 trucks per day, Jefferson carries the highest volume of highway trucks in Alabama.
| Traffic | vehicles per day7,564 |
|---|---|
| Trucks | 4.8% |
| Average travel time | 31.2 min |
| Congestion ratio | 18.8% |
| Drivers’ average age | 44.7 yrs |
| Drivers’ average income | $84,910 |
Local roads carry a significant share of travel in Jefferson County, Alabama: 44% of all vehicle-miles. A typical local road sees 7,564 vehicles per day.
Local roads make up 80% of the monitored road miles (1,268 miles in 35,255 segments) but carry less than their share of travel: 8,447,206 vehicle-miles traveled per day (≈3.1 billion per year). The truck share on non-highway roads is 4.8%.
The concentration of trucks on non-highway roads is 63% lower than on highways.
The non-highway congestion ratio of 18.8% is 27% higher than the state level, suggesting slower local mobility than the state average.
Jefferson's average driver income is higher than 97% of counties in Alabama. The driver population here skews younger than 85% of counties in Alabama.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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