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Traffic heat map of Johnson County, Texas: 716 miles of roads shaded from blue (light) to red (heavy traffic)

Johnson County, Texas Traffic Counts

TrafficZoom tracks traffic on 716 road miles in Johnson County, Texas, divided into 17,371 segments averaging 218 ft. The average monitored road here carries 6,026 vehicles a day. Built from cross-verified mobile and road-sensor data, these counts help you size up a retail site, plan logistics routes or assess infrastructure needs.
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 Johnson County, Texas

Traffic

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

vehicles per day6,026
Trucks

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

9.6%
Average travel time

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

34.3 min
Congestion ratio

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

14.6%
Drivers’ average age

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

44.1 yrs
Drivers’ average income

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

$84,186

A typical monitored road in Johnson County, Texas sees 6,026 vehicles per day, while its 716 miles of monitored roads together handle 4,525,820 vehicle-miles traveled per day (≈1.7 billion per year). Trucks are 9.6% of traffic, close to the 9.8% across Texas.

Busier roads than 85% of counties in Texas

At 6,026 vehicles per day, the average road in Johnson carries somewhat less traffic than the state average of 6,895 (13% less) - a critical factor for logistics and site planning. Network-wide, Johnson accounts for about 0.6% of Texas's statewide total of vehicle-miles. 85% of counties in Texas see less traffic than Johnson's 6,026 vehicles per day.

The average trip takes 34.3 minutes, on par with the state level. Its average travel time of 34.3 minutes is shorter than 54% of counties in Texas.

The congestion ratio of 14.6% runs slightly lower than the state level (11% lower) - crucial for traffic control improvement and logistics planning.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Johnson County, Texas

Trafficvehicles per day12,000
Trucks14.5%
Average travel time44.0 min
Congestion ratio27.5%
Drivers’ average age44.0 yrs
Drivers’ average income$84,509

Highways carry a significant share of travel in Johnson County, Texas: 43% of all vehicle-miles. The average highway carries 12,000 vehicles per day, 109% more than the average non-highway road in the same area, which carries 5,751 vehicles per day.

With 20% of the road miles (142 miles in 764 segments), highways punch above their length, carrying 1,960,756 vehicle-miles traveled per day (≈716 million per year).

That is more highway travel volume than 85% of counties in Texas.

More highway trucks than 70% of counties in Texas

At 14.5%, highway truck share is 6% higher than the state average. The highway traffic mix is typical for Texas: neither freight- nor commuter-dominated.

55% of counties in Texas see a higher highway truck share than Johnson's 14.5%. By raw truck volume, Johnson carries more highway trucks than 70% of counties in Texas.

non-highway traffic icon

Non-highway Traffic in Johnson County, Texas

Trafficvehicles per day5,751
Trucks5.8%
Average travel time33.8 min
Congestion ratio14.0%
Drivers’ average age44.2 yrs
Drivers’ average income$84,067

A little more than half of the driving in Johnson County, Texas happens on local roads: 57% of all vehicle-miles. The average non-highway road carries 5,751 vehicles per day.

Local roads make up 80% of the monitored road miles (574 miles in 16,607 segments) but carry less than their share of travel: 2,565,064 vehicle-miles traveled per day (≈936 million per year). The truck share on non-highway roads is 5.8%.

Drivers from higher-income areas than 85% of counties in Texas

Compared to highways, non-highway routes see 60% fewer trucks by share.

Non-highway congestion (14.0%) runs slightly lower than the state level (13% lower).

Trip origins here have higher average income than 85% of counties in Texas. 62% of counties in Texas have an older driver population than Johnson.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
AM peak 7:00 AM–8:00 AM and PM peak 4:00 PM–7:00 PM, with volumes reaching approximately 73% higher than the daily average.
Weekend traffic:
Weekends are busier than weekdays: volumes run about 9% above weekday levels, which usually points to leisure, tourism or shopping traffic.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
March–May is the high season, with volumes +6% versus the annual average.
Lowest month:
August is the quietest month, with volumes -8% versus the annual average - an unusual summer low, when most places are at their busiest.

Data Finding: Hourly & Seasonal Patterns

In Johnson County, Texas, the peak hour concentrates about 7% of the day's traffic, and there is a noticeable seasonal swing of +6% in high season.

Johnson County vs. Texas Traffic Comparison

Johnson County stays close to the Texas average; the largest gap is its average daily traffic per road, 13% below.

MetricJohnson CountyTexas averageDifference
Traffic6,0266,895-12.6%
Truck % (Total Traffic)9.6%9.8%-2.0%
Truck % (Highway)14.5%13.8%+5.7%
Avg. Travel Time34.3 min32.6 min+5.0%

How Johnson County compares

Johnson County against nearby counties

Against the 4 nearest areas, Johnson County moves 35.9% of the total daily travel; it has the third busiest roads of the five. The same kind of road, just less of it: traffic per road matches the areas around it while the network itself is smaller.

Johnson County and the 4 nearest county-level areas by centroid distance, with the Texas average for scale.
AreaAverage daily trafficTruck shareDaily vehicle-milesAverage travel timeCongestion ratio
Johnson County6,0269.6%4,525,82034.3 min14.6%
Tarrant County, Texas8,4757.2%46,022,98232.3 min18.4%
Hood County, Texas6,5056.2%1,295,95729.8 min16.7%
Somervell County, Texas3,8358.5%265,81632.1 min9.5%
Hill County, Texas2,66417.9%2,792,34434.7 min8.6%
Texas average6,8959.8%N/A32.6 min16.4%

Johnson County ranked within Texas

Highway travel volume places Johnson County #34 of 227 in Texas - the top quarter of the state.

Johnson County ranked among 254 county-level areas in Texas (1 = highest); measures without data in every county rank a smaller field, down to 227.
MeasureJohnson CountyTexas rank
Traffic volume (AADT)6,026#40 of 254
Highway vehicle-miles per day1,960,756#34 of 227
Truck share on highways14.5%#126 of 227
Highway trucks per day1,744#69 of 227
Average travel time34.3 min#136 of 254
Average driver income$84,186#40 of 254
Average driver age44.1 yrs#158 of 254

Busiest roads in Johnson County, Texas

On their busiest stretches, the top three roads on this list in Johnson County carry 40,910 vehicles a day on average, 6.8 times the typical road in the county (6,026).

I 35W tops the list with 45,469 vehicles a day, 8,177 of them trucks (18.0%). It tops the truck ranking too, with the most trucks.

Trucks make up 18.0% of traffic on I 35W, against 9.6% across all roads in the county.

Drivers on US 287 come from neighborhoods with an average household income of $114,674, 36% above the county average of $84,186.

I 35W carries longer journeys than most roads here, with a median trip of 48.0 minutes against 34.3 county-wide.

Ranked by daily traffic (AADT)

Only named roads are listed. Some unnamed segments, such as ramps or unlabeled carriageways, may carry as much traffic as the roads shown.

Cars and light vehiclesTrucks
1I 35WMotorway · 45,469vehicles8,177trucks · 18.0%
Road class
Motorway
Congestion ratio
50.8%
Median trip time
48.0 min
Drivers’ median age
43.3 yrs
Drivers’ average income
$83,640

Travel on I 35W's busiest stretch runs 51% over free-flow time, against 15% across the county, so expect slower peak hours.

2US 287Trunk road · 40,004vehicles3,595trucks · 9.0%
Road class
Trunk road
Congestion ratio
48.3%
Median trip time
38.8 min
Drivers’ median age
43.7 yrs
Drivers’ average income
$114,674

US 287 is one of the more congested roads here: trips take 48% longer than at free-flow speed, against 15% county-wide.

3Southwest Wilshire BoulevardPrimary road · 37,256vehicles1,690trucks · 4.5%
Road class
Primary road
Congestion ratio
29.7%
Median trip time
32.2 min
Drivers’ median age
43.6 yrs
Drivers’ average income
$88,848

Southwest Wilshire Boulevard carries 6.2 times the county average at its busiest, 1,690 of them trucks (4.5%, below the county-wide 9.6%).

4Northeast Wilshire BoulevardPrimary road · 34,625vehicles1,787trucks · 5.2%
Road class
Primary road
Congestion ratio
38.0%
Median trip time
32.3 min
Drivers’ median age
43.4 yrs
Drivers’ average income
$88,802

Northeast Wilshire Boulevard carries 5.7 times the county average on its busiest stretch, where the median trip lasts 32.3 minutes.

5US 67Trunk road · 26,488vehicles2,621trucks · 9.9%
Road class
Trunk road
Congestion ratio
29.2%
Median trip time
39.7 min
Drivers’ median age
43.7 yrs
Drivers’ average income
$87,626

US 67 peaks at 26,488 vehicles a day, 4.4 times the county average; trucks are 9.9% of it, in line with the county-wide 9.6%.

Ranked by trucks per day

Cars and light vehiclesTrucks
1I 35WMotorway · #1 by traffic45,469vehicles8,177trucks · 18.0%
2US 287Trunk road · #2 by traffic40,004vehicles3,595trucks · 9.0%
3US 67Trunk road · #5 by traffic26,488vehicles2,621trucks · 9.9%
4US 377Trunk road · 22,665vehicles2,400trucks · 10.6%
Road class
Trunk road
Congestion ratio
25.0%
Median trip time
45.1 min
Drivers’ median age
48.3 yrs
Drivers’ average income
$99,919

US 377 carries through traffic: the median trip using it lasts 45.1 minutes, against 34.3 for the county.

5Northeast Wilshire BoulevardPrimary road · #4 by traffic34,625vehicles1,787trucks · 5.2%
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

JohnsonDepartment 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 Johnson County

The same traffic breakdown for the areas closest to Johnson County, Texas.

Need segment-level traffic data?

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