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Traffic heat map of Union County, Mississippi: 263 miles of roads shaded from blue (light) to red (heavy traffic), busiest on I 22 and Mississippi Highway 15

Union County, Mississippi Traffic Counts

How busy are the roads of Union County, Mississippi? We measure 263 road miles, divided into 2,156 segments, with multi-sourced, cross-verified mobile and sensor data. Its busiest road, I 22, carries 29,952 vehicles a day, 5.1 times the average road. The breakdown below covers volume, trucks, congestion and driver profiles for retailers, logistics planners and engineers.
Data sourced from TrafficZoom's proprietary analytics platform.
Data current as of:
Q3 2026
Updated:
September 29, 2026
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total traffic icon

Total Traffic Volume & Performance in Union County, Mississippi

Traffic

The average number of vehicles that travel each day over any road in the road network.

vehicles per day5,866
Trucks

The percentage of the total traffic volume composed of heavy vehicles.

12.7%
Average travel time

The average time of travel averaged among all vehicles traveling on the road network.

29.6 min
Congestion ratio

The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network.

18.8%
Drivers’ average age

Average age of residents in the geographic areas where the vehicle trips originated.

45.9 yrs
Drivers’ average income

Average income of residents in the geographic areas where the vehicle trips originated.

$62,500

Our data shows 5,866 vehicles per day on the average road in Union County, Mississippi, and 1,429,195 vehicle-miles traveled per day (≈522 million per year) across its 263 miles of monitored roads. Trucks are 12.7% of traffic, close to the 11.1% across Mississippi.

Busier roads than 91% of counties in Mississippi

At 5,866 vehicles per day, the average road in Union carries somewhat more traffic than the state average of 5,319 (10% more) - a factor worth weighing in site selection and logistics planning. Across the whole network, that travel is about 1.4% of Mississippi's statewide total. Union carries more traffic than 91% of counties in Mississippi.

Journey times here (29.6 minutes on average) closely track the state level. On travel time, Union runs shorter than 78% of counties in Mississippi.

At 24% higher than the state level, the 18.8% congestion ratio signals more pronounced congestion - relevant for traffic control and delivery planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Union County, Mississippi

Trafficvehicles per day11,338
Trucks20.8%
Average travel time43.7 min
Congestion ratio26.7%
Drivers’ average age46.2 yrs
Drivers’ average income$65,087

Highways carry a significant share of travel in Union County, Mississippi: 43% of all vehicle-miles. The average highway carries 11,338 vehicles per day, 99% more than the average non-highway road in the same area, which carries 5,690 vehicles per day.

With 21% of the road miles (54 miles in 67 segments), highways punch above their length, carrying 613,257 vehicle-miles traveled per day (≈224 million per year).

By highway travel volume, Union outranks 70% of counties in Mississippi.

Higher highway truck share than 90% of counties in Mississippi

The concentration of trucks on highways (20.8%) is 31% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.

Union's highway truck share (20.8%) is higher than 90% of counties in Mississippi. By raw truck volume, Union carries more highway trucks than 88% of counties in Mississippi.

non-highway traffic icon

Non-highway Traffic in Union County, Mississippi

Trafficvehicles per day5,690
Trucks6.5%
Average travel time29.2 min
Congestion ratio18.6%
Drivers’ average age45.8 yrs
Drivers’ average income$61,138

Local roads carry more than half of all travel in Union County, Mississippi (57% of vehicle-miles). The average non-highway road carries 5,690 vehicles per day.

Spread over 209 miles and 2,089 segments, 79% of the road network, local roads carry a lighter load per mile: 815,938 vehicle-miles traveled per day (≈298 million per year). Trucks make up 6.5% of non-highway traffic, about 1 in 15 vehicles.

Drivers from higher-income areas than 77% of counties in Mississippi

Non-highway roads carry a truck concentration that's 69% lower than the highway network.

At 24% higher than the state level, the non-highway congestion ratio of 18.6% signals more friction on local roads.

77% of counties in Mississippi see lower average driver income among trip origins than Union. Union's median driver age is lower than 58% of counties in Mississippi.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–8:00 AM and a long afternoon plateau from 3:00 PM to 7:00 PM, with volumes reaching approximately 71% higher than the daily average.
Weekend traffic:
Weekend traffic is about as busy as on weekdays (-4%): leisure and through trips largely replace the commute.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
June–August is the high season, with volumes +7% versus the annual average.
Lowest month:
January is the quietest month, with volumes -15% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Union County, Mississippi, the peak hour concentrates about 7% of the day's traffic, and there is a noticeable seasonal swing of +7% in high season.

Union County vs. Mississippi Traffic Comparison

Of the four measures, highway truck share differs most: Union County runs 31% above the Mississippi average.

MetricUnion CountyMississippi averageDifference
Traffic5,8665,319+10.3%
Truck % (Total Traffic)12.7%11.1%+14.3%
Truck % (Highway)20.8%15.9%+31.0%
Avg. Travel Time29.6 min30.7 min-3.5%

How Union County compares

Union County against nearby counties

Compared with its 4 closest neighbours, Union County is 66.0% more congested; it has the second busiest roads of the five.

Union County and the 4 nearest county-level areas by centroid distance, with the Mississippi average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Union County5,86612.7%1,429,19529.6 min18.8%
Pontotoc County, Mississippi4,49310.5%1,222,01031.6 min12.4%
Benton County, Mississippi1,75816.8%468,28134.3 min4.7%
Lee County, Mississippi8,86510.4%3,177,77833.3 min17.9%
Tippah County, Mississippi3,0969.6%485,28230.6 min10.4%
Mississippi average5,31911.1%N/A30.7 min15.2%

Union County ranked within Mississippi

Average daily traffic volume places Union County #8 of 82 in Mississippi - the top quarter of the state.

Union County ranked among 82 county-level areas in Mississippi (1 = highest); measures without data in every county rank a smaller field, down to 78.
MeasureUnion CountyMississippi rank
Traffic volume (AADT)5,866#8 of 82
Highway vehicle-miles per day613,257#24 of 78
Truck share on highways20.8%#9 of 78
Highway trucks per day2,359#10 of 78
Average travel time29.6 min#64 of 82
Average driver income$62,500#20 of 82
Average driver age45.9 yrs#48 of 82

The two ends of this table sit far apart: #8 of 82 on average daily traffic volume, against #64 of 82 on average travel time.

Busiest roads in Union County, Mississippi

On their busiest stretches, the three busiest roads in Union County carry 24,120 vehicles a day on average, 4.1 times the typical road in the county (5,866).

I 22 leads with 29,952 vehicles a day, 7,185 of them trucks (24.0%). It also carries the most trucks.

Trucks make up 24.0% of traffic on I 22, against 12.7% across all roads in the county.

MS 30 is busy with cars rather than freight: only 3.8% of its traffic is trucks, against 12.7% county-wide.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1I 22Motorway · 29,952vehicles7,185trucks · 24.0%
Road class
Motorway
Congestion ratio
32.4%
Median trip time
38.5 min
Drivers’ median age
46.1 yrs
Drivers’ average income
$63,448

I 22 carries 5.1 times the county average on its busiest stretch, where the median trip lasts 38.5 minutes.

2Mississippi Highway 15Primary road · 24,100vehicles1,691trucks · 7.0%
Road class
Primary road
Congestion ratio
27.4%
Median trip time
30.6 min
Drivers’ median age
45.9 yrs
Drivers’ average income
$57,474

Mississippi Highway 15 carries 4.1 times the county average on its busiest stretch, where the median trip lasts 30.6 minutes.

3MS 30Secondary road · 18,307vehicles704trucks · 3.8%
Road class
Secondary road
Congestion ratio
39.8%
Median trip time
27.5 min
Drivers’ median age
46.2 yrs
Drivers’ average income
$62,386

Delays build on MS 30: its congestion ratio of 40% over free-flow time is well above the county's 19%.

4Bankhead StreetSecondary road · 15,363vehicles597trucks · 3.9%
Road class
Secondary road
Congestion ratio
39.9%
Median trip time
27.9 min
Drivers’ median age
46.2 yrs
Drivers’ average income
$62,012

Travel on Bankhead Street's busiest stretch runs 40% over free-flow time, against 19% across the county, so expect slower peak hours.

5MS 15Primary road · 14,727vehicles1,181trucks · 8.0%
Road class
Primary road
Congestion ratio
30.3%
Median trip time
31.4 min
Drivers’ median age
46.1 yrs
Drivers’ average income
$63,290

At 2.5 times the county average, MS 15 draws drivers from neighborhoods averaging $63,290 in household income.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 22Motorway · #1 by traffic29,952vehicles7,185trucks · 24.0%
2Mississippi Highway 15Primary road · #2 by traffic24,100vehicles1,691trucks · 7.0%
3MS 15Primary road · #5 by traffic14,727vehicles1,181trucks · 8.0%
4MS 30Secondary road · #3 by traffic18,307vehicles704trucks · 3.8%
5Bankhead StreetSecondary road · #4 by traffic15,363vehicles597trucks · 3.9%
How to read these road counts
  • The first number is AADT, annual average daily traffic: the vehicles passing a point on an average day, both directions combined and trucks included. On a divided highway both carriageways are added together.
  • Traffic changes along a road, with more near interchanges and towns and less in open country. Every figure for a road describes its busiest stretch in the county, so the two rankings show the same numbers for the same road.
  • The second number is the trucks on that stretch, a part of its AADT. The bar splits the AADT into cars and light vehicles (blue) and trucks (amber).
  • See segment-level AADT for any road on TrafficZoom.

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

UnionDepartment of Transportation

Demographic Baseline for O-D Modeling

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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Counties near Union County

The same traffic breakdown for the areas closest to Union County, Mississippi.

Need segment-level traffic data?

Identify traffic patterns street by street and analyze the exact corridors that matter to your project.