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Traffic | vehicles per day7,983 |
|---|---|
Trucks | 8.9% |
Average travel time | 29.7 min |
Congestion ratio | 20.9% |
Drivers’ average age | 45.1 yrs |
Drivers’ average income | $128,274 |
The average monitored road in Williamson County, Tennessee carries 7,983 vehicles per day. Across its 650 miles of monitored roads, that adds up to 6,972,485 vehicle-miles traveled per day (≈2.5 billion per year). Trucks are a smaller part of the mix than across Tennessee: 8.9% against 11.3%.
Williamson's average daily traffic volume is 10% higher than the state average - 7,983 vehicles per day against 7,251 - a factor worth weighing in site selection and logistics planning. In total volume terms, its road network carries about 3.9% of Tennessee's statewide total of vehicle-miles. By volume, Williamson's 7,983 vehicles per day outpaces 87% of counties in Tennessee.
At 29.7 minutes, the average travel time is 7% lower than the state level. On travel time, Williamson runs shorter than 89% of counties in Tennessee.
The congestion ratio of 20.9% is 30% higher, pointing to more pronounced congestion than the state level - expect slower peak-hour deliveries and less predictable arrival times.
| Traffic | vehicles per day25,627 |
|---|---|
| Trucks | 12.9% |
| Average travel time | 38.8 min |
| Congestion ratio | 37.6% |
| Drivers’ average age | 44.1 yrs |
| Drivers’ average income | $111,708 |
Highways carry about half of all travel in Williamson County, Tennessee, 52% of vehicle-miles. The average highway carries 25,627 vehicles per day, 236% more than the average non-highway road in the same area, which carries 7,618 vehicles per day.
Highways make up 20% of the monitored road miles (132 miles, 303 segments), so they carry more than their share: 3,616,453 vehicle-miles traveled per day (≈1.3 billion per year).
No more than 4 other counties in Tennessee move more traffic on their highways.
The concentration of trucks on highways (12.9%) is 17% lower than the state average for similar road classifications. Highways here mostly serve passenger trips, so local access matters more than long-haul routing for logistics operators.
Williamson's highway truck share (12.9%) is higher than 51% of counties in Tennessee. 76% of counties in Tennessee see fewer highway trucks per day than Williamson's roughly 3,306.
| Traffic | vehicles per day7,618 |
|---|---|
| Trucks | 4.5% |
| Average travel time | 29.5 min |
| Congestion ratio | 20.6% |
| Drivers’ average age | 45.5 yrs |
| Drivers’ average income | $137,730 |
Local roads carry about half of all travel in Williamson County, Tennessee, 48% of vehicle-miles. On the average non-highway road, that comes to 7,618 vehicles per day.
Local roads make up 80% of the monitored road miles (518 miles in 14,618 segments) but carry less than their share of travel: 3,356,033 vehicle-miles traveled per day (≈1.2 billion per year). About 1 in 22 vehicles on non-highway roads is a truck (4.5%).
Compared to highways, non-highway routes see 65% fewer trucks by share.
The non-highway congestion ratio of 20.6% is 34% higher than the state level, suggesting slower local mobility than the state average.
Williamson also has the highest average driver income in Tennessee among trip origins - $128,274. The driver population here skews younger than 92% of counties in Tennessee.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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