This page delivers traffic analytics for Darlington County, South Carolina. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Darlington County, South Carolina among 553 road miles divided in 5,930 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 493 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.
3,819
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.9%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.6 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.
11.5%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
48.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$61,147
Our data indicates an estimated average traffic volume of 3,819 vehicles per day in Darlington County, South Carolina that results in 1,999,701 vehicle-miles traveled per day (≈730 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 32.6 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the South Carolina state averages: At 3,819 vehicles per day, the average monitored road in Darlington carries 46% less traffic than the state average of 7,040 vehicles per day - a critical factor for logistics and site planning. In total volume terms, its road network carries 1,999,701 vehicle-miles traveled per day (≈730 million per year), about 1.4% of South Carolina's statewide total. At 32.6 minutes, the average travel time is 2% lower than the state level. The congestion ratio of 11.5% is 37% lower, pointing to smoother traffic flow than the state level - crucial for traffic control improvement and logistics planning. 53% of counties in South Carolina see less traffic than Darlington's 3,819 vehicles per day. 20% of counties in South Carolina have a shorter average travel time than Darlington's 32.6 minutes.
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.
10,436
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
14.2%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
41.8 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.
20.6%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
47.8 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$62,280
A significant volume of traffic in Darlington County, South Carolina utilizes the highway network. The average highway carries 10,436 vehicles per day, 242% more than the average non-highway road in the same area, which carries 3,052 vehicles per day. That average covers 87 highway road miles divided in 616 segments (average segment length 747 ft), together carrying 956,816 vehicle-miles traveled per day (≈349 million per year). Trucks constitute 14.2% of highway traffic.
Analytical insight
Highway truck concentration here runs 4% higher than the state average, at 14.2% - positioning Darlington as a significant freight corridor. For logistics operators, this validates the importance of highway access. 48% of counties in South Carolina see a lower highway truck share than Darlington's 14.2%. Darlington's highway truck count is higher than 40% of counties in South Carolina, at roughly 1,484 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
3,052
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
31.5 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.
10.4%
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.
$60,491
The non-highway road network in Darlington County, South Carolina supports a substantial volume of traffic. The average non-highway road carries 3,052 vehicles per day, 71% less than the average highway in the same area, which carries 10,436 vehicles per day. That average covers 466 non-highway road miles divided in 5,314 segments (average segment length 463 ft), together carrying 1,042,885 vehicle-miles traveled per day (≈381 million per year). Trucks constitute 6.0% of non-highway traffic.
Analytical insight
The concentration of trucks on non-highway roads is 58% lower than on highways. At 38% lower than the state level, the non-highway congestion ratio of 10.4% signals easier movement on local roads. Darlington's overall average travel time exceeds 20% of counties in South Carolina. 38% of counties in South Carolina see lower average driver income among trip origins than Darlington. The driver population here skews older than 51% of counties in South Carolina.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–9:00 AM and PM peak 5:00 PM–6:00 PM, with volumes reaching approximately 81% higher than the daily average.
Weekend traffic:
Weekend volumes run about 10% below weekday levels.
Seasonal Fluctuation
Busy season:
May–July is the high season, with volumes +10% versus the annual average.
Lowest month:
December is the quietest month, with volumes -13% versus the annual average.
Analytical insight
In Darlington County, South Carolina, the peak hour concentrates about 8% of the day's traffic, and seasonal swing is mild at +10% in high season.
Traffic Flow Profile Comparison
Metric
Darlington
South Carolina
Average
Difference
Traffic
3,819
7,040
-45.8%
Truck % (Total Traffic)
9.9%
9.5%
+4.4%
Truck % (Highway)
14.2%
13.7%
+3.9%
Avg. Travel Time
32.6 min
33.3 min
-2.0%
Frequently Asked Questions
The average daily traffic volume is calculated at 3,819 vehicles per day, providing a baseline for daily operations and site assessment.
Darlington's average travel time of 32.6 minutes is longer than 20% of counties in South Carolina.
Weekday peaks occur between 7:00 AM and 9:00 AM in the morning and between 5:00 PM and 6:00 PM in the evening - about 81% above the daily average.
The average travel time for drivers is 32.6 minutes, offering a standard metric for commute and delivery route planning.
Approximately 28% of highway traffic and 14% of non-highway traffic consists of vehicles whose trip originates outside Darlington 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.
Drivers on Darlington roads have a median age of 48 years, and the median household income of the neighborhoods trips originate from averages $61,147 - useful context for retail siting and customer profiling.
Traffic volumes are typically 10% higher during May–July. Volumes drop to their lowest levels in December, averaging 3,309 vehicles per day - a 13% decrease from the annual average.
Trucks account for approximately 9.9% of the total traffic mix across all road types, with a significantly higher concentration of 14.2% on highways.
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)