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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day2,572 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 7.7% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 32.9 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 8.9% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 47.9 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $74,754 |
The average monitored road in Edgefield County, South Carolina carries 2,572 vehicles per day. Across its 281 miles of monitored roads, that adds up to 595,195 vehicle-miles traveled per day (≈217 million per year). Trucks are a smaller part of the mix than across South Carolina: 7.7% against 9.5%.
Edgefield sees 63% lower average daily traffic volume than the state average (2,572 vehicles per day against 7,040), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Network-wide, Edgefield accounts for about 0.4% of South Carolina's statewide total of vehicle-miles. 78% of counties in South Carolina see more traffic than Edgefield's 2,572 vehicles per day.
The average trip takes 32.9 minutes, on par with the state level. On travel time, Edgefield runs shorter than 71% of counties in South Carolina.
At 51% lower than the state level, the 8.9% congestion ratio signals smoother traffic flow - free-flowing roads make scheduled deliveries highly predictable.
| Traffic | vehicles per day6,468 |
|---|---|
| Trucks | 12.3% |
| Average travel time | 39.1 min |
| Drivers’ average age | 47.9 yrs |
| Drivers’ average income | $91,664 |
Highways play a minor role in Edgefield County, South Carolina, carrying just 1% of all vehicle-miles. The average highway carries 6,468 vehicles per day, 152% more than the average non-highway road in the same area, which carries 2,567 vehicles per day.
Yet highways are only less than 1% of the road network, 1 miles in 3 segments, so each mile of them is 3.1 times as busy as the average road mile.
Highway truck concentration here runs 10% lower than the state average, at 12.3%. The highway traffic mix is typical for South Carolina: neither freight- nor commuter-dominated.
By truck concentration, highways here trail 62% of counties in South Carolina. By raw truck volume, Edgefield carries fewer highway trucks than 81% of counties in South Carolina.
| Traffic | vehicles per day2,567 |
|---|---|
| Trucks | 7.7% |
| Average travel time | 32.9 min |
| Congestion ratio | 8.9% |
| Drivers’ average age | 47.9 yrs |
| Drivers’ average income | $74,720 |
Nearly all driving in Edgefield County, South Carolina happens on local roads: 99% of every vehicle-mile. A typical local road sees 2,567 vehicles per day.
Local roads also make up about 100% of the monitored road miles: 280 miles in 2,600 segments, together carrying 591,241 vehicle-miles traveled per day (≈216 million per year). The truck share on non-highway roads is 7.7%.
Compared to highways, non-highway routes see 38% fewer trucks by share.
The non-highway congestion ratio of 8.9% is 47% lower than the state level, suggesting more efficient local mobility than the state average.
Edgefield's average driver income is higher than 78% of counties in South Carolina. The driver population here skews younger than 51% of counties in South Carolina.
Edgefield County's biggest difference from the South Carolina average is its average daily traffic per road, 63% below it. Its truck share is also 19% below.
| Metric | Edgefield County | South Carolina average | Difference |
|---|---|---|---|
| Traffic | 2,572 | 7,040 | -63.5% |
| Truck % (Total Traffic) | 7.7% | 9.5% | -19.2% |
| Truck % (Highway) | 12.3% | 13.7% | -10.3% |
| Avg. Travel Time | 32.9 min | 33.3 min | -1.1% |
Compared with its 4 closest neighbours, Edgefield County moves 23.8% of the total daily travel and carries 47.3% less traffic on a typical road; it has the third busiest roads of the five. Less traffic and more room for it - the roads here run both quieter and freer than the areas around them.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Edgefield County | 2,572 | 7.7% | 595,195 | 32.9 min | 8.9% |
| McCormick County, South Carolina | 2,288 | 8.9% | 293,295 | 45.7 min | 8.6% |
| Saluda County, South Carolina | 2,164 | 8.9% | 559,119 | 39.7 min | 8.0% |
| Aiken County, South Carolina | 6,114 | 11.2% | 4,778,135 | 31.1 min | 13.8% |
| Richmond County, Georgia | 8,959 | 7.7% | 4,368,823 | 29.7 min | 17.3% |
| South Carolina average | 7,040 | 9.5% | N/A | 33.3 min | 18.2% |
No county-level area in South Carolina records a lower highway travel volume than Edgefield County.
| Measure | Edgefield County | South Carolina rank |
|---|---|---|
| Traffic volume (AADT) | 2,572 | #36 of 46 |
| Highway vehicle-miles per day | 3,954 | #43 of 43 |
| Truck share on highways | 12.3% | #27 of 43 |
| Highway trucks per day | 794 | #35 of 43 |
| Average travel time | 32.9 min | #33 of 46 |
| Average driver income | $74,754 | #11 of 46 |
| Average driver age | 47.9 yrs | #24 of 46 |
Edgefield County ranks #11 of 46 on average driver income but #43 of 43 on highway travel volume - the two describe the same roads and are worth reading together rather than either on its own.
On their busiest stretches, the three busiest roads in Edgefield County carry 10,022 vehicles a day on average, 3.9 times the typical road in the county (2,572).
Edgefield Road is the busiest road, at 11,579 vehicles a day, 938 of them trucks (8.1%). I 20 carries the most trucks, 1,264 a day (12.3% of its traffic), although it ranks #2 for all traffic.
Trips using SC 121 are long: a median of 45.5 minutes against 32.9 county-wide, the mark of a through route.
Lee Street draws drivers from lower-income areas: their neighborhoods average $51,535 in household income, 31% below the county's $74,754.
Delays build on Edgefield Road: its congestion ratio of 19% over free-flow time is well above the county's 9%.
On its busiest stretch, I 20 carries 4.0 times the county average; trucks are 12.3% of it, above the county-wide 7.7%.
Travel on Martintown Road's busiest stretch runs 20% over free-flow time, against 9% across the county, so expect slower peak hours.
Augusta Road peaks at 6,508 vehicles a day, 2.5 times the county average; trucks are 8.9% of it, above the county-wide 7.7%.
Drivers on Lee Street are on long journeys, a median 44.2 minutes against 32.9 county-wide: a through route more than a local street.
Pine House Road carries 2.4 times the county average at its busiest, 520 of them trucks (8.6%, above the county-wide 7.7%).
SC 121 carries 2.1 times the county average on its busiest stretch, where the median trip lasts 45.5 minutes.
The average monitored road in Edgefield carries 2,572 vehicles per day, 63% less than the South Carolina average of 7,040.
Trip origins in Edgefield have higher average income than 78% of counties in South Carolina.
Trucks make up about 7.7% of all traffic in Edgefield County, South Carolina, rising to 12.3% on highways, where long-haul freight concentrates.
Drivers on Edgefield roads have a median age of 48 years, and the median household income of the neighborhoods trips originate from averages $74,754, in line with the South Carolina average.
Approximately 80% of highway traffic and 25% of non-highway traffic consists of vehicles whose trip originates outside Edgefield County, South Carolina. Most highway traffic here starts elsewhere, so the highways serve the wider region more than the local community.
Weekday traffic has two busy windows: AM peak 7:00 AM–8:00 AM and PM peak 3:00 PM–6:00 PM - about 86% above the daily average.
Edgefield Road carries the most, 11,579 vehicles per day on its busiest stretch, followed by I 20 (10,291), Martintown Road (8,197), Augusta Road (6,508), Lee Street (6,202). Figures are AADT, both directions combined.
I 20, with about 1,264 trucks per day on its busiest stretch, 12.3% of its 10,291 vehicles.
About 11,579 vehicles per day in both directions on its busiest stretch, including 938 trucks (8.1%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases
The same traffic breakdown for the areas closest to Edgefield County, South Carolina.
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