This page delivers traffic analytics for Union County, South Carolina. Our metrics are calculated with multi-sourced, cross-verified data from real-world mobile and sensor networks, and averaged for Union County, South Carolina among 266 road miles divided in 4,104 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 342 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.
2,235
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
9.6%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.3 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.
6.9%
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.
$47,855
Our data indicates an estimated average traffic volume of 2,235 vehicles per day in Union County, South Carolina that results in 558,719 vehicle-miles traveled per day (≈204 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 32.3 minutes, which already accounts for delays at signals, intersections, and congestion.
Analytical insight
When compared to the South Carolina state averages: Union's average daily traffic volume is 68% lower than the state average - 2,235 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 558,719 vehicle-miles traveled per day (≈204 million per year), roughly 0.4% of South Carolina's statewide total. The average trip takes 32.3 minutes, 3% lower than the state level. Congestion runs 62% lower than the state level, at a ratio of 6.9% - smoother traffic flow - crucial for traffic control improvement and logistics planning. Union carries more traffic than 16% of counties in South Carolina. On travel time, Union runs longer than 13% 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.
4,537
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
12.0%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
33.0 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.
7.7%
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.
$48,955
A significant volume of traffic in Union County, South Carolina utilizes the highway network. The average highway carries 4,537 vehicles per day, 166% more than the average non-highway road in the same area, which carries 1,705 vehicles per day. That average covers 62 highway road miles divided in 769 segments (average segment length 428 ft), together carrying 249,750 vehicle-miles traveled per day (≈91.2 million per year). Trucks constitute 12.0% of highway traffic.
Analytical insight
The concentration of trucks on highways (12.0%) is 12% lower than the state average for similar road classifications. This indicates Union serves as a primarily local traffic hub. For logistics operators, this validates the importance of local access. Union's highway truck share (12.0%) is higher than 33% of counties in South Carolina. By raw truck volume, Union carries more highway trucks than 7% of counties in South Carolina.
Non-highway traffic
Traffic
Traffic
The average number of vehicles that travel each day over any road in the road network.
1,705
Trucks
Trucks
The percentage of the total traffic volume composed of heavy vehicles.
7.7%
Average travel time
Average travel time
The average time of travel averaged among all vehicles traveling on the road network.
32.1 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.
51.1 yrs
Drivers’ average income
Drivers’ average income
Average income of residents in the geographic areas where the vehicle trips originated.
$47,135
The non-highway road network in Union County, South Carolina supports a substantial volume of traffic. The average non-highway road carries 1,705 vehicles per day, 62% less than the average highway in the same area, which carries 4,537 vehicles per day. That average covers 204 non-highway road miles divided in 3,335 segments (average segment length 323 ft), together carrying 308,969 vehicle-miles traveled per day (≈113 million per year). Trucks constitute 7.7% of non-highway traffic.
Analytical insight
The concentration of trucks on non-highway roads is 36% lower than on highways. Non-highway congestion (6.7%) runs 60% lower than the state average, pointing to smoother local traffic flow. Union's overall average travel time exceeds 13% of counties in South Carolina. 4% of counties in South Carolina see lower average driver income among trip origins than Union. Union's median driver age is higher than 89% of counties in South Carolina.
Time-of-Day & Seasonal Patterns
Analytical insight
In Union County, South Carolina, the peak hour concentrates about 7% of the day's traffic.
Traffic Flow Profile Comparison
Metric
Union
South Carolina
Average
Difference
Traffic
2,235
7,040
-68.2%
Truck % (Total Traffic)
9.6%
9.5%
+1.5%
Truck % (Highway)
12.0%
13.7%
-12.1%
Avg. Travel Time
32.3 min
33.3 min
-3.0%
Frequently Asked Questions
The average daily traffic volume is calculated at 2,235 vehicles per day, providing a baseline for daily operations and site assessment.
The driver population in Union skews older than 89% of counties in South Carolina.
Drivers on Union roads have a median age of 51 years, and the median household income of the neighborhoods trips originate from averages $47,855 - useful context for retail siting and customer profiling.
The average travel time for drivers is 32.3 minutes, offering a standard metric for commute and delivery route planning.
Approximately 9% of highway traffic and 4% of non-highway traffic consists of vehicles whose trip originates outside Union 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.
Weekday peaks occur between 7:00 AM and 8:00 AM in the morning and between 4:00 PM and 7:00 PM in the evening - about 79% above the daily average.
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)
