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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day8,536 |
|---|---|
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. | 33.4 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 18.1% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 45.7 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $92,379 |
A typical monitored road in York County, South Carolina sees 8,536 vehicles per day, while its 698 miles of monitored roads together handle 6,161,724 vehicle-miles traveled per day (≈2.2 billion per year). About 1 in 13 vehicles is a truck, fewer than the 1 in 11 across South Carolina.
York sees 21% higher average daily traffic volume than the state average (8,536 vehicles per day against 7,040), suggesting more demand on each road - a factor worth weighing in site selection and logistics planning. Network-wide, York accounts for about 4.2% of South Carolina's statewide total of vehicle-miles. York carries more traffic than 82% of counties in South Carolina.
Journey times here (33.4 minutes on average) closely track the state level. On travel time, York runs shorter than 52% of counties in South Carolina.
At 18.1%, the congestion ratio matches the state level closely.
| Traffic | vehicles per day15,037 |
|---|---|
| Trucks | 12.6% |
| Average travel time | 41.4 min |
| Congestion ratio | 26.7% |
| Drivers’ average age | 45.3 yrs |
| Drivers’ average income | $84,900 |
Highways carry a significant share of travel in York County, South Carolina: 37% of all vehicle-miles. The average highway carries 15,037 vehicles per day, 86% more than the average non-highway road in the same area, which carries 8,101 vehicles per day.
Highways make up 14% of the monitored road miles (97 miles, 1,034 segments), so they carry more than their share: 2,281,221 vehicle-miles traveled per day (≈833 million per year).
By highway travel volume, York outranks 79% of counties in South Carolina.
The concentration of trucks on highways (12.6%) is 8% lower than the state average for similar road classifications. The highway traffic mix is typical for South Carolina: neither freight- nor commuter-dominated.
York's highway truck share (12.6%) is lower than 57% of counties in South Carolina. 71% of counties in South Carolina see fewer highway trucks per day than York's roughly 1,887.
| Traffic | vehicles per day8,101 |
|---|---|
| Trucks | 4.8% |
| Average travel time | 32.9 min |
| Congestion ratio | 17.5% |
| Drivers’ average age | 45.8 yrs |
| Drivers’ average income | $94,599 |
A little more than half of the driving in York County, South Carolina happens on local roads: 63% of all vehicle-miles. The average non-highway road carries 8,101 vehicles per day.
Local roads make up 86% of the monitored road miles (601 miles in 15,481 segments) but carry less than their share of travel: 3,880,503 vehicle-miles traveled per day (≈1.4 billion per year). Trucks make up 4.8% of non-highway traffic, about 1 in 21 vehicles.
Compared to highways, non-highway routes see 62% fewer trucks by share.
At 17.5%, the non-highway congestion ratio matches the state level closely.
York's average driver income is higher than 98% of counties in South Carolina. 80% of counties in South Carolina have an older driver population than York.
The average daily traffic per road sets York County apart: 21% above the South Carolina average. Its truck share, by contrast, is 19% below.
| Metric | York County | South Carolina average | Difference |
|---|---|---|---|
| Traffic | 8,536 | 7,040 | +21.2% |
| Truck % (Total Traffic) | 7.7% | 9.5% | -19.2% |
| Truck % (Highway) | 12.6% | 13.7% | -8.3% |
| Avg. Travel Time | 33.4 min | 33.3 min | +0.4% |
Set against the average of the 4 areas nearest to it, York County runs 5.0 percentage points less truck traffic; it has the second busiest roads of the five. The extra traffic here is local and light - trucks make up less of it than anywhere immediately around it.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| York County | 8,536 | 7.7% | 6,161,724 | 33.4 min | 18.1% |
| Gaston County, North Carolina | 8,093 | 9.7% | 5,279,763 | 33.9 min | 20.5% |
| Chester County, South Carolina | 2,971 | 15.7% | 1,901,344 | 35.6 min | 7.4% |
| Cherokee County, South Carolina | 2,945 | 18.2% | 2,021,737 | 33.3 min | 9.2% |
| Mecklenburg County, North Carolina | 12,284 | 7.2% | 27,739,272 | 32.2 min | 28.8% |
| South Carolina average | 7,040 | 9.5% | N/A | 33.3 min | 18.2% |
York County sits in South Carolina's top three on average driver income.
| Measure | York County | South Carolina rank |
|---|---|---|
| Traffic volume (AADT) | 8,536 | #9 of 46 |
| Highway vehicle-miles per day | 2,281,221 | #10 of 43 |
| Truck share on highways | 12.6% | #25 of 43 |
| Highway trucks per day | 1,887 | #13 of 43 |
| Average travel time | 33.4 min | #24 of 46 |
| Average driver income | $92,379 | #2 of 46 |
| Average driver age | 45.7 yrs | #37 of 46 |
The two ends of this table sit far apart: #2 of 46 on average driver income, against #37 of 46 on average driver age.
The three busiest roads in York County average 60,713 vehicles a day, 7.1 times the county average of 8,536 across all its monitored roads.
I 77 leads with 78,403 vehicles a day, 11,096 of them trucks (14.2%). It tops the truck ranking too, with the most trucks.
Freight stands out on I 77 and B. Bayles Mack Highway: trucks are 14.2% and 12.9% of the traffic there, against 7.7% county-wide.
I 77 carries longer journeys than most roads here, with a median trip of 44.3 minutes against 33.4 county-wide.
I 77 is one of the more congested roads here: trips take 49% longer than at free-flow speed, against 18% county-wide.
B. Bayles Mack Highway is a trunk route for the county, carrying 7.6 times the county average on its busiest stretch; trucks are 12.9% of it, above the county-wide 7.7%.
Celanese Road carries 4.5 times the county average at its busiest, 1,960 of them trucks (5.1%, below the county-wide 7.7%).
Charlotte Highway carries 4.2 times the county average on its busiest stretch, where the median trip lasts 28.9 minutes.
Delays build on US 21: its congestion ratio of 48% over free-flow time is well above the county's 18%.
At 2.7 times the county average, Anderson Road draws drivers from neighborhoods averaging $72,470 in household income.
The busiest stretch of Carowinds Boulevard carries 2.7 times the county average; trucks are 7.8% of it, in line with the county-wide 7.7%.
The average monitored road in York carries 8,536 vehicles per day, 21% more than the South Carolina average of 7,040.
Trip origins in York have higher average income than 98% of counties in South Carolina.
The average trip in York takes 33.4 minutes, about the same as the South Carolina average, delays at signals and congestion included.
Approximately 16% of highway traffic and 8% of non-highway traffic consists of vehicles whose trip originates outside York County, South Carolina. Even highway traffic is mostly local, so these roads mainly serve residents and commuters.
Trucks make up about 7.7% of all traffic in York County, South Carolina, rising to 12.6% on highways, where long-haul freight concentrates.
I 77 carries the most, 78,403 vehicles per day on its busiest stretch, followed by B. Bayles Mack Highway (65,035), Celanese Road (38,700), Charlotte Highway (35,458), US 21 (34,264). Figures are AADT, both directions combined.
I 77, with about 11,096 trucks per day on its busiest stretch, 14.2% of its 78,403 vehicles.
About 78,403 vehicles per day in both directions on its busiest stretch, including 11,096 trucks (14.2%). 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 York County, South Carolina.
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