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Traffic heat map of Union County, Florida: 149 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Southeast 6th Street and Main Street

Union County, Florida Traffic Counts

How busy are the roads of Union County, Florida? We measure 149 road miles, divided into 2,327 segments, with multi-sourced, cross-verified mobile and sensor data. Its busiest road, Southeast 6th Street, carries 7,578 vehicles a day, 3.0 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 Volume & Performance in Union County, Florida

Traffic

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

vehicles per day2,500
Trucks

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

11.6%
Average travel time

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

36.5 min
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

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

46.4 yrs
Drivers’ average income

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

$63,692

The average monitored road in Union County, Florida carries 2,500 vehicles per day. Across its 149 miles of monitored roads, that adds up to 324,165 vehicle-miles traveled per day (≈118 million per year). At 11.6%, the truck share runs above the 8.6% across Florida: about 1 in 9 vehicles.

Quieter roads than 92% of counties in Florida

Union sees 75% lower average daily traffic volume than the state average (2,500 vehicles per day against 9,922), suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Network-wide, Union accounts for less than 0.1% of Florida's statewide total of vehicle-miles. Union carries less traffic than 92% of counties in Florida.

At 36.5 minutes, the average travel time is 10% higher than the state level. Its average travel time of 36.5 minutes is longer than 80% of counties in Florida.

The congestion ratio of 10.4% is 56% lower, pointing to smoother traffic flow than the state level - delays are rare enough to plan travel times almost to the minute.

Time-of-Day & Seasonal Patterns

Data Finding: Hourly & Seasonal Patterns

In Union County, Florida, the peak hour concentrates about 9% of the day's traffic.

Union County vs. Florida Traffic Comparison

Union County's biggest difference from the Florida average is its average daily traffic per road, 75% below it. Its truck share, by contrast, is 35% above.

MetricUnion CountyFlorida averageDifference
Traffic2,5009,922-74.8%
Truck % (Total Traffic)11.6%8.6%+35.3%
Avg. Travel Time36.5 min33.2 min+9.9%

How Union County compares

Union County moves the least traffic of its nearby counties

Set against the average of the 4 areas nearest to it, Union County moves 9.2% of the total daily travel and carries 49.2% less traffic on a typical road; it has the quietest roads of the five. Quieter and more local than the areas around it on both counts: less traffic, and less of what there is arriving by truck.

Union County and the 4 nearest county-level areas by centroid distance, with the Florida average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Union County2,50011.6%324,16536.5 min10.4%
Bradford County, Florida3,71414.5%1,043,70336.4 min12.3%
Baker County, Florida3,81019.3%1,238,98126.0 min12.0%
Columbia County, Florida4,66219.1%3,656,46932.8 min11.6%
Alachua County, Florida7,51112.7%8,096,09331.2 min20.6%
Florida average9,9228.6%N/A33.2 min23.8%

Union County ranked within Florida

Union County sits in the bottom quarter of the Florida field on average daily traffic volume, at #62 of 67.

Union County ranked among 67 county-level areas in Florida (1 = highest).
MeasureUnion CountyFlorida rank
Traffic volume (AADT)2,500#62 of 67
Average travel time36.5 min#14 of 67
Average driver income$63,692#45 of 67
Average driver age46.4 yrs#44 of 67

The two ends of this table sit far apart: #14 of 67 on average travel time, against #62 of 67 on average daily traffic volume.

Busiest roads in Union County, Florida

On their busiest stretches, the three busiest roads in Union County carry 7,449 vehicles a day on average, 3.0 times the typical road in the county (2,500).

Southeast 6th Street leads with 7,578 vehicles a day, 1,022 of them trucks (13.5%). Main Street is practically level with it at 7,405. It also carries the most trucks.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Southeast 6th StreetPrimary road · 7,578vehicles1,022trucks · 13.5%
Road class
Primary road
Congestion ratio
21.3%
Median trip time
38.5 min
Drivers’ median age
46.4 yrs
Drivers’ average income
$62,392

Southeast 6th Street is one of the more congested roads here: trips take 21% longer than at free-flow speed, against 10% county-wide.

2Main StreetPrimary road · 7,405vehicles915trucks · 12.4%
Road class
Primary road
Congestion ratio
20.8%
Median trip time
35.2 min
Drivers’ median age
46.7 yrs
Drivers’ average income
$57,635

On its busiest stretch, Main Street carries 3.0 times the county average; trucks are 12.4% of it, above the county-wide 11.6%.

3Southwest 6th StreetPrimary road · 7,364vehicles779trucks · 10.6%
Road class
Primary road
Congestion ratio
21.4%
Median trip time
38.1 min
Drivers’ median age
46.7 yrs
Drivers’ average income
$66,896

Delays build on Southwest 6th Street: its congestion ratio of 21% over free-flow time is well above the county's 10%.

4FL 121Primary road · 7,305vehicles709trucks · 9.7%
Road class
Primary road
Congestion ratio
18.9%
Median trip time
39.1 min
Drivers’ median age
46.2 yrs
Drivers’ average income
$70,253

FL 121 peaks at 7,305 vehicles a day, 2.9 times the county average; trucks are 9.7% of it, below the county-wide 11.6%.

5FL 100Primary road · 6,638vehicles822trucks · 12.4%
Road class
Primary road
Congestion ratio
15.2%
Median trip time
38.5 min
Drivers’ median age
46.6 yrs
Drivers’ average income
$58,499

FL 100 carries 2.7 times the county average at its busiest, 822 of them trucks (12.4%, above the county-wide 11.6%).

Ranked by trucks per day

Cars and light vehiclesTrucks
1Southeast 6th StreetPrimary road · #1 by traffic7,578vehicles1,022trucks · 13.5%
2Main StreetPrimary road · #2 by traffic7,405vehicles915trucks · 12.4%
3FL 100Primary road · #5 by traffic6,638vehicles822trucks · 12.4%
4Southwest 6th StreetPrimary road · #3 by traffic7,364vehicles779trucks · 10.6%
5FL 121Primary road · #4 by traffic7,305vehicles709trucks · 9.7%
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, Florida.

Need segment-level traffic data?

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