This page delivers traffic analytics for Marlboro County, South Carolina. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Marlboro County, South Carolina among 340 road miles divided in 2,380 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 754 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.
The average number of vehicles that travel each day over any road in the road network.
2,772
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
10.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
59.0 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
8.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$41,453
Our data indicates an estimated average traffic volume of 2,772 vehicles per day in Marlboro County, South Carolina that results in 729,377 vehicle-miles traveled per day (≈266 million per year). The traffic stream is comprised of an average of 1 truck for every 10 vehicles. Typical time spent behind the wheel per trip is 59.0 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the South Carolina state averages: Marlboro sees 61% lower average daily traffic volume than the state average (2,772 vehicles per day against 7,040), suggesting less demand on each road - a critical factor for logistics and site planning. In total volume terms, its road network carries 729,377 vehicle-miles traveled per day (≈266 million per year), about 0.5% of South Carolina's statewide total. At 59.0 minutes, the average travel time is 77% higher than the state level. Congestion runs 51% lower than the state level, at a ratio of 8.9% - smoother traffic flow - crucial for traffic control improvement and logistics planning. Marlboro carries more traffic than 27% of counties in South Carolina. At 59.0 minutes, Marlboro also has the highest average travel time in South Carolina.
Highway vs. Non-Highway Traffic Analysis
Highway Traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
5,255
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
12.1%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
45.2 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
12.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
48.3 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$41,295
A significant volume of traffic in Marlboro County, South Carolina utilizes the highway network. The average highway carries 5,255 vehicles per day, 136% more than the average non-highway road in the same area, which carries 2,229 vehicles per day. That average covers 60 highway road miles divided in 427 segments (average segment length 736 ft), together carrying 280,716 vehicle-miles traveled per day (≈102 million per year). Trucks constitute 12.1% of highway traffic.
Analytical insight
At 12.1%, highway truck share is 12% lower than the state average, marking Marlboro as a primarily local traffic hub - underscoring the importance of local access for logistics operators. By truck concentration, highways here outrank 36% of counties in South Carolina. 14% of counties in South Carolina see fewer highway trucks per day than Marlboro's roughly 635.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
2,229
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.5%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
62.0 min
Congestion ratio
Congestion ratio
The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.
8.2%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$41,588
The non-highway road network in Marlboro County, South Carolina supports a substantial volume of traffic. The average non-highway road carries 2,229 vehicles per day, 58% less than the average highway in the same area, which carries 5,255 vehicles per day. That average covers 281 non-highway road miles divided in 1,953 segments (average segment length 758 ft), together carrying 448,661 vehicle-miles traveled per day (≈164 million per year). Trucks constitute 9.5% of non-highway traffic.
Analytical insight
The concentration of trucks on non-highway roads is 21% lower than on highways. The non-highway congestion ratio of 8.2% is 52% lower than the state level, suggesting more efficient local mobility than the state average. Marlboro also posts the highest overall average travel time in South Carolina - 59.0 minutes. Trips here originate from the lowest average driver income in South Carolina, at $41,453. Marlboro's median driver age is higher than 69% of counties in South Carolina.
Time-of-Day & Seasonal Patterns
Analytical insight
In Marlboro County, South Carolina, the peak hour concentrates about 7% of the day's traffic.
Traffic Flow Profile Comparison
Metric
Marlboro
South Carolina
Average
Difference
Traffic
2,772
7,040
-60.6%
Truck % (Total Traffic)
10.5%
9.5%
+10.6%
Truck % (Highway)
12.1%
13.7%
-11.7%
Avg. Travel Time
59.0 min
33.3 min
+77.3%
Frequently Asked Questions
The average daily traffic volume is calculated at 2,772 vehicles per day, providing a baseline for daily operations and site assessment.
Yes - Marlboro has the lowest average driver income of any county in South Carolina, at $41,453.
Trucks account for approximately 10.5% of the total traffic mix across all road types, with a significantly higher concentration of 12.1% on highways.
Weekday peaks occur between 10:00 AM and 12:00 PM in the morning and between 12:00 PM and 6:00 PM in the evening - about 70% above the daily average.
Drivers on Marlboro roads have a median age of 49 years, and the median household income of the neighborhoods trips originate from averages $41,453 - useful context for retail siting and customer profiling.
Approximately 27% of highway traffic and 13% of non-highway traffic consists of vehicles whose trip originates outside Marlboro County, South Carolina. This indicates that a portion of highway traffic is regional pass-through, while local roads are more representative of resident and commuter activity.
The average travel time for drivers is 59.0 minutes, offering a standard metric for commute and delivery route planning.
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)