This page delivers traffic analytics for Marion County, South Carolina. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Marion County, South Carolina among 342 road miles divided in 3,515 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 514 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.
3,624
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
10.3%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
40.7 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.
9.9%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.5 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$50,319
Our data indicates an estimated average traffic volume of 3,624 vehicles per day in Marion County, South Carolina that results in 1,295,596 vehicle-miles traveled per day (≈473 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 40.7 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the South Carolina state averages: Marion's average daily traffic volume is 49% lower than the state average - 3,624 vehicles per day against 7,040 - suggesting less traffic load per road, a critical factor for logistics and site planning. Across the whole network that adds up to 1,295,596 vehicle-miles traveled per day (≈473 million per year), roughly 0.9% of South Carolina's statewide total. The average trip takes 40.7 minutes, 22% higher than the state level. Congestion runs 45% lower than the state level, at a ratio of 9.9% - smoother traffic flow - crucial for traffic control improvement and logistics planning. 49% of counties in South Carolina see less traffic than Marion's 3,624 vehicles per day. Its average travel time of 40.7 minutes is longer than 93% of counties 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.
9,547
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
11.4%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
65.3 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.
20.1%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
50.6 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$54,862
A significant volume of traffic in Marion County, South Carolina utilizes the highway network. The average highway carries 9,547 vehicles per day, 447% more than the average non-highway road in the same area, which carries 1,744 vehicles per day. That average covers 101 highway road miles divided in 847 segments (average segment length 627 ft), together carrying 973,786 vehicle-miles traveled per day (≈355 million per year). Trucks constitute 11.4% of highway traffic.
Analytical insight
At 11.4%, highway truck share is 16% lower than the state average, marking Marion as a primarily local traffic hub - underscoring the importance of local access for logistics operators. Marion's highway truck share (11.4%) is higher than 29% of counties in South Carolina. Marion's highway truck count is higher than 33% of counties in South Carolina, at roughly 1,093 trucks per day.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
1,744
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
6.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.9 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.
6.7%
Drivers’ average age
Drivers’ average age
Average age of residents in the geographic areas where the vehicle trips originated.
49.0 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$40,622
The non-highway road network in Marion County, South Carolina supports a substantial volume of traffic. The average non-highway road carries 1,744 vehicles per day, 82% less than the average highway in the same area, which carries 9,547 vehicles per day. That average covers 242 non-highway road miles divided in 2,668 segments (average segment length 479 ft), together carrying 321,811 vehicle-miles traveled per day (≈117 million per year). Trucks constitute 6.7% of non-highway traffic.
Analytical insight
Non-highway roads carry a truck concentration that's 41% lower than the highway network. Non-highway congestion (6.7%) runs 60% lower than the state average, pointing to smoother local traffic flow. Marion's overall average travel time exceeds 93% of counties in South Carolina. Trip origins here have higher average income than 18% of counties in South Carolina. 87% of counties in South Carolina have a younger driver population than Marion.
Time-of-Day & Seasonal Patterns
Peak Traffic Windows
Weekday peaks:
AM peak 10:00 AM–12:00 PM and PM peak 4:00 PM–6:00 PM, with volumes reaching approximately 71% higher than the daily average.
Weekend traffic:
Weekend volumes run about 2% above weekday levels.
Seasonal Fluctuation
Busy season:
May–July is the high season, with volumes +15% versus the annual average.
Lowest month:
January is the quietest month, with volumes -21% versus the annual average.
Analytical insight
In Marion County, South Carolina, the peak hour concentrates about 7% of the day's traffic, and seasonal swing is pronounced at +15% in high season.
Traffic Flow Profile Comparison
Metric
Marion
South Carolina
Average
Difference
Traffic
3,624
7,040
-48.5%
Truck % (Total Traffic)
10.3%
9.5%
+8.2%
Truck % (Highway)
11.4%
13.7%
-16.4%
Avg. Travel Time
40.7 min
33.3 min
+22.2%
Frequently Asked Questions
The average daily traffic volume is calculated at 3,624 vehicles per day, providing a baseline for daily operations and site assessment.
Marion's highway truck share of 11.4% is higher than 29% of counties in South Carolina.
Drivers on Marion roads have a median age of 51 years, and the median household income of the neighborhoods trips originate from averages $50,319 - useful context for retail siting and customer profiling.
Weekday peaks occur between 10:00 AM and 12:00 PM in the morning and between 4:00 PM and 6:00 PM in the evening - about 71% above the daily average.
Trucks account for approximately 10.3% of the total traffic mix across all road types, with a significantly higher concentration of 11.4% on highways.
The average travel time for drivers is 40.7 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)
