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Traffic | vehicles per day3,013 |
|---|---|
Trucks | 10.6% |
Average travel time | 32.8 min |
Congestion ratio | 8.0% |
Drivers’ average age | 49.9 yrs |
Drivers’ average income | $52,939 |
The average monitored road in Grainger County, Tennessee carries 3,013 vehicles per day. Across its 172 miles of monitored roads, that adds up to 510,279 vehicle-miles traveled per day (≈186 million per year). About 1 in 9 vehicles is a truck, in line with Tennessee (11.3%).
Grainger's average daily traffic volume is 58% lower than the state average - 3,013 vehicles per day against 7,251 - suggesting less traffic load per road - quiet roads that suit freight movement more than drive-by retail. Across the whole network, that travel is about 0.3% of Tennessee's statewide total. By volume, Grainger's 3,013 vehicles per day trails 74% of counties in Tennessee.
At 32.8 minutes, the average travel time matches the state level closely. On travel time, Grainger runs longer than 54% of counties in Tennessee.
Congestion runs 50% lower than the state level, at a ratio of 8.0%, which means smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.
| Traffic | vehicles per day5,876 |
|---|---|
| Trucks | 11.9% |
| Average travel time | 39.6 min |
| Congestion ratio | 13.4% |
| Drivers’ average age | 49.9 yrs |
| Drivers’ average income | $52,487 |
Highways carry most of the traffic in Grainger County, Tennessee: 70% of all vehicle-miles. The average highway carries 5,876 vehicles per day, 264% more than the average non-highway road in the same area, which carries 1,613 vehicles per day.
With 37% of the road miles (63 miles in 490 segments), highways punch above their length, carrying 358,868 vehicle-miles traveled per day (≈131 million per year).
The concentration of trucks on highways (11.9%) is 24% 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.
61% of counties in Tennessee see a higher highway truck share than Grainger's 11.9%. 65% of counties in Tennessee see more highway trucks per day than Grainger's roughly 699.
| Traffic | vehicles per day1,613 |
|---|---|
| Trucks | 7.6% |
| Average travel time | 29.5 min |
| Congestion ratio | 5.4% |
| Drivers’ average age | 50.1 yrs |
| Drivers’ average income | $53,964 |
Local roads carry a smaller share of travel in Grainger County, Tennessee, 30% of vehicle-miles; most driving happens on highways. On the average non-highway road, that comes to 1,613 vehicles per day.
Local roads make up 63% of the monitored road miles (109 miles in 1,002 segments) but carry less than their share of travel: 151,412 vehicle-miles traveled per day (≈55.3 million per year). Trucks make up 7.6% of non-highway traffic, about 1 in 13 vehicles.
The concentration of trucks on non-highway roads is 36% lower than on highways.
Non-highway congestion (5.4%) runs 65% lower than the state average, pointing to smoother local traffic flow.
84% of counties in Tennessee see higher average driver income among trip origins than Grainger. 79% of counties in Tennessee have a younger driver population than Grainger.
Mobile device location data (anonymized and aggregated)
Road sensor networks and traffic counters
Historical traffic pattern databases
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