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Williamsburg County, South Carolina Traffic Counts

This page delivers traffic analytics for Williamsburg County, South Carolina. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Williamsburg County, South Carolina among 401 road miles divided in 3,711 segments. Our metrics go beyond simple volume counts to provide actionable insights on traffic intensity, congestion, commercial vehicle flow, and network performance with highest possible granularity (average segment length is 571 ft). Whether you are evaluating a new retail location, planning logistics routes, or assessing infrastructure needs, this data helps you move from assumptions to certainty.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
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total traffic icon

Total Traffic Volume & Performance

Traffic

2,457

Trucks

9.3%

Average travel time

36.0 min

Congestion ratio

7.7%

Drivers’ average age

50.0 yrs

Drivers’ average income

$49,507

Our data indicates an estimated average traffic volume of 2,457 vehicles per day in Williamsburg County, South Carolina that results in 848,513 vehicle-miles traveled per day (≈310 million per year). The traffic stream is comprised of an average of 1 truck for every 11 vehicles. Typical time spent behind the wheel per trip is 36.0 minutes, which already accounts for delays at signals, intersections, and congestion.

Analytical insight

When compared to the South Carolina state averages: At 2,457 vehicles per day, the average monitored road in Williamsburg carries 65% less traffic than the state average of 7,040 vehicles per day - a critical factor for logistics and site planning. Across the whole network that adds up to 848,513 vehicle-miles traveled per day (≈310 million per year), roughly 0.6% of South Carolina's statewide total. Journey times run 8% higher than the state level, at 36.0 minutes on average. Congestion runs 57% lower than the state level, at a ratio of 7.7% - smoother traffic flow - crucial for traffic control improvement and logistics planning. Williamsburg carries more traffic than 20% of counties in South Carolina. Its average travel time of 36.0 minutes is longer than 78% of counties in South Carolina.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic

Traffic

4,498

Trucks

12.4%

Average travel time

41.1 min

Congestion ratio

7.7%

Drivers’ average age

49.1 yrs

Drivers’ average income

$50,199

A significant volume of traffic in Williamsburg County, South Carolina utilizes the highway network. The average highway carries 4,498 vehicles per day, 123% more than the average non-highway road in the same area, which carries 2,017 vehicles per day. That average covers 76 highway road miles divided in 658 segments (average segment length 607 ft), together carrying 315,813 vehicle-miles traveled per day (≈115 million per year). Trucks constitute 12.4% of highway traffic.

Analytical insight

The concentration of trucks on highways (12.4%) is 9% lower than the state average for similar road classifications. This indicates Williamsburg serves as a primarily local traffic hub. For logistics operators, this validates the importance of local access. By truck concentration, highways here outrank 40% of counties in South Carolina. Williamsburg's highway truck count is higher than 10% of counties in South Carolina, at roughly 560 trucks per day.
non-highway traffic icon

Non-highway traffic

Traffic

2,017

Trucks

7.4%

Average travel time

34.9 min

Congestion ratio

7.8%

Drivers’ average age

50.7 yrs

Drivers’ average income

$49,135

The non-highway road network in Williamsburg County, South Carolina supports a substantial volume of traffic. The average non-highway road carries 2,017 vehicles per day, 55% less than the average highway in the same area, which carries 4,498 vehicles per day. That average covers 326 non-highway road miles divided in 3,053 segments (average segment length 563 ft), together carrying 532,700 vehicle-miles traveled per day (≈194 million per year). Trucks constitute 7.4% of non-highway traffic.

Analytical insight

The concentration of trucks on non-highway roads is 41% lower than on highways. Non-highway congestion (7.8%) runs 54% lower than the state average, pointing to smoother local traffic flow. Overall, average travel time here is longer than 78% of counties in South Carolina. Trip origins here have higher average income than 9% of counties in South Carolina. 82% of counties in South Carolina have a younger driver population than Williamsburg.

Time-of-Day & Seasonal Patterns

Analytical insight

In Williamsburg County, South Carolina, the peak hour concentrates about 7% of the day's traffic.

Traffic Flow Profile Comparison

Metric

Williamsburg

South Carolina
Average

Difference

Traffic

2,457

7,040

-65.1%

Truck % (Total Traffic)

9.3%

9.5%

-2.5%

Truck % (Highway)

12.4%

13.7%

-9.1%

Avg. Travel Time

36.0 min

33.3 min

+8.2%

Data Sources & Methodology

The data presented on this page is derived from TrafficZoom's proprietary analytics platform, which aggregates and normalizes information from multiple sources, including:

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases

Public traffic count programs published by the

South CarolinaDepartment of Transportation

Historical traffic pattern databases

U.S. Census Bureau
All metrics represent estimates based on statistical modeling and are intended for strategic planning purposes.
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Data current as of:
Q3 2026

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