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Traffic heat map of Bexar County, Texas: 2,931 miles of roads shaded from blue (light) to red (heavy traffic), busiest on Pan Am Expressway

Bexar County, Texas Traffic Counts

It has the busiest roads of any county in Texas, averaging 10,939 vehicles a day. This page breaks down traffic in Bexar County, Texas across 2,931 miles of monitored roads split into 77,771 segments, using multi-sourced mobile and sensor data. It goes beyond raw counts to truck flow, congestion and who is driving, so site selection and route planning rest on evidence.
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 Bexar County, Texas

Traffic

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

vehicles per day10,939
Trucks

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

7.3%
Average travel time

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

30.9 min
Congestion ratio

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

22.0%
Drivers’ average age

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

40.7 yrs
Drivers’ average income

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

$87,668

A typical monitored road in Bexar County, Texas sees 10,939 vehicles per day, while its 2,931 miles of monitored roads together handle 41,944,331 vehicle-miles traveled per day (≈15.3 billion per year). About 1 in 14 vehicles is a truck, fewer than the 1 in 10 across Texas.

The busiest roads of any county in Texas

Bexar sees 59% higher average daily traffic volume than the state average (10,939 vehicles per day against 6,895), suggesting more demand on each road - prime passing trade for storefronts, with more competition for road space. Across the whole network, that travel is about 5.7% of Texas's statewide total. In fact, Bexar has the highest average traffic volume of any county in Texas, at 10,939 vehicles per day.

The average trip takes 30.9 minutes, 5% lower than the state level. 88% of counties in Texas have a longer average travel time than Bexar's 30.9 minutes.

Congestion runs 35% higher than the state level, at a ratio of 22.0%, which means more pronounced congestion - expect slower peak-hour deliveries and less predictable arrival times.

Highway vs. Non-Highway Traffic Analysis

highway traffic icon

Highway Traffic in Bexar County, Texas

Trafficvehicles per day29,911
Trucks9.9%
Average travel time33.8 min
Congestion ratio45.9%
Drivers’ average age41.1 yrs
Drivers’ average income$86,821

Highways carry more than half of all travel in Bexar County, Texas (56% of vehicle-miles). The average highway carries 29,911 vehicles per day, 204% more than the average non-highway road in the same area, which carries 9,837 vehicles per day.

Highways make up 22% of the monitored road miles (656 miles, 4,270 segments), so they carry more than their share: 23,465,153 vehicle-miles traveled per day (≈8.6 billion per year).

By highway travel volume, that ranks Bexar in the top 5 counties in Texas.

More highway trucks than 93% of counties in Texas

The concentration of trucks on highways (9.9%) is 28% lower than the state average for similar road classifications. Trucks are a small share of a very large highway flow, so Bexar still moves heavy freight volumes alongside its passenger traffic.

Bexar's highway truck share (9.9%) is lower than 92% of counties in Texas. By raw truck volume, Bexar carries more highway trucks than 93% of counties in Texas.

non-highway traffic icon

Non-highway Traffic in Bexar County, Texas

Trafficvehicles per day9,837
Trucks4.1%
Average travel time30.8 min
Congestion ratio20.6%
Drivers’ average age40.2 yrs
Drivers’ average income$88,516

A significant share of driving in Bexar County, Texas, 44% of vehicle-miles, happens on local roads. A typical local road sees 9,837 vehicles per day.

Local roads make up 78% of the monitored road miles (2,275 miles in 73,501 segments) but carry less than their share of travel: 18,479,178 vehicle-miles traveled per day (≈6.7 billion per year). The truck share on non-highway roads is 4.1%.

Younger drivers than 91% of counties in Texas

The concentration of trucks on non-highway roads is 59% lower than on highways.

Non-highway congestion (20.6%) runs 29% higher than the state average, pointing to slower local traffic flow.

Trip origins here have higher average income than 88% of counties in Texas. The driver population here skews younger than 91% of counties in Texas.

Time-of-Day & Seasonal Patterns

peak hours icon
Peak Traffic Windows
Weekday peaks:
A long morning plateau from 7:00 AM to 12:00 PM and PM peak 4:00 PM–7:00 PM, with volumes reaching approximately 65% higher than the daily average.
Weekend traffic:
Weekends are somewhat quieter: volumes run about 17% below weekday levels, the usual weekend dip.
seasonal traffic icon
Seasonal Fluctuation
Busy season:
Traffic is nearly flat through the year: even March–May, the busiest stretch, runs only +3% versus the annual average.
Lowest month:
January is the quietest month, with volumes -5% versus the annual average - the usual winter low.

Data Finding: Hourly & Seasonal Patterns

In Bexar County, Texas, the peak hour concentrates about 7% of the day's traffic, and traffic stays steady through the year (+3% in high season).

Bexar County vs. Texas Traffic Comparison

The average daily traffic per road sets Bexar County apart: 59% above the Texas average. Its highway truck share, by contrast, is 28% below.

MetricBexar CountyTexas averageDifference
Traffic10,9396,895+58.6%
Truck % (Total Traffic)7.3%9.8%-25.2%
Truck % (Highway)9.9%13.8%-28.1%
Avg. Travel Time30.9 min32.6 min-5.2%

How Bexar County compares

Bexar County moves more traffic than any nearby county

Compared with its 4 closest neighbours, Bexar County moves 15.5 times the total daily travel and carries 116.5% more traffic on a typical road; it has the busiest roads of the five. It is where traffic concentrates in this corner of the map - the local bottleneck, with more vehicles per road AND less room to absorb them.

Bexar 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
Bexar County10,9397.3%41,944,33130.9 min22.0%
Atascosa County, Texas4,21819.2%2,081,32432.7 min13.3%
Wilson County, Texas4,2019.7%1,208,59130.1 min10.8%
Comal County, Texas8,1158.6%5,938,81233.5 min22.4%
Medina County, Texas3,68112.6%1,585,88331.1 min8.9%
Texas average6,8959.8%N/A32.6 min16.4%

Bexar County ranked within Texas

No other county-level area in Texas records a higher average daily traffic volume than Bexar County.

Bexar County ranked among 254 county-level areas in Texas (1 = highest); measures without data in every county rank a smaller field, down to 227.
MeasureBexar CountyTexas rank
Traffic volume (AADT)10,939#1 of 254
Highway vehicle-miles per day23,465,153#4 of 227
Truck share on highways9.9%#209 of 227
Highway trucks per day2,955#17 of 227
Average travel time30.9 min#224 of 254
Average driver income$87,668#32 of 254
Average driver age40.7 yrs#230 of 254

Bexar County ranks #4 of 227 on highway travel volume but #209 of 227 on truck share on highways. It carries some of the heaviest highway traffic in Texas, but very little of it is freight - this is commuter and local car volume, not through-trucking.

Busiest roads in Bexar County, Texas

Traffic concentrates on a few corridors: the three busiest roads average 128,134 vehicles a day, against 10,939 on the average road in Bexar County.

Pan Am Expressway is the busiest road, at 142,425 vehicles a day, 14,630 of them trucks (10.3%). It tops the truck ranking too, with the most trucks.

Freight stands out on Purple Heart Trail and 90th Infantry Division Highway: trucks are 23.3% and 18.7% of the traffic there, against 7.3% county-wide.

Purple Heart Trail carries longer journeys than most roads here, with a median trip of 42.1 minutes against 30.9 county-wide.

Traffic and freight follow different roads here: only 2 of the five busiest roads also make the top 5 for trucks.

Ranked by daily traffic (AADT)

Cars and light vehiclesTrucks
1Pan Am ExpresswayMotorway · 142,425vehicles14,630trucks · 10.3%
Road class
Motorway
Congestion ratio
90.2%
Median trip time
38.5 min
Drivers’ median age
41.0 yrs
Drivers’ average income
$83,512

Travel on Pan Am Expressway's busiest stretch runs 90% over free-flow time, against 22% across the county, so expect slower peak hours.

2McDermott FreewayMotorway · 130,369vehicles9,176trucks · 7.0%
Road class
Motorway
Congestion ratio
67.8%
Median trip time
32.6 min
Drivers’ median age
41.1 yrs
Drivers’ average income
$80,088

At 11.9 times the county average, McDermott Freeway draws drivers from neighborhoods averaging $80,088 in household income.

3McAllister FreewayMotorway · 111,608vehicles8,567trucks · 7.7%
Road class
Motorway
Congestion ratio
65.5%
Median trip time
30.8 min
Drivers’ median age
42.1 yrs
Drivers’ average income
$90,826

A main artery: McAllister Freeway's busiest stretch carries 10.2 times the county average; trucks are 7.7% of it, above the county-wide 7.3%.

4William J Bordelon FreewayMotorway · 106,368vehicles9,206trucks · 8.7%
Road class
Motorway
Congestion ratio
61.4%
Median trip time
32.9 min
Drivers’ median age
41.1 yrs
Drivers’ average income
$69,634

William J Bordelon Freeway is a trunk route for the county, carrying 9.7 times the county average on its busiest stretch; trucks are 8.7% of it, above the county-wide 7.3%.

5Connally LoopMotorway · 99,290vehicles8,994trucks · 9.1%
Road class
Motorway
Congestion ratio
69.2%
Median trip time
33.4 min
Drivers’ median age
40.9 yrs
Drivers’ average income
$76,412

Connally Loop is one of the more congested roads here: trips take 69% longer than at free-flow speed, against 22% county-wide.

Ranked by trucks per day

Cars and light vehiclesTrucks
1Pan Am ExpresswayMotorway · #1 by traffic142,425vehicles14,630trucks · 10.3%
2Jose Lopez FreewayMotorway · 93,442vehicles11,480trucks · 12.3%
Road class
Motorway
Congestion ratio
68.5%
Median trip time
35.2 min
Drivers’ median age
40.5 yrs
Drivers’ average income
$66,783

Jose Lopez Freeway carries 8.5 times the county average at its busiest, 11,480 of them trucks (12.3%, above the county-wide 7.3%).

390th Infantry Division HighwayMotorway · 59,133vehicles11,077trucks · 18.7%
Road class
Motorway
Congestion ratio
50.9%
Median trip time
41.8 min
Drivers’ median age
40.2 yrs
Drivers’ average income
$81,801

Drivers on 90th Infantry Division Highway are on long journeys, a median 41.8 minutes against 30.9 county-wide: a through route more than a local street.

4Purple Heart TrailMotorway · 44,419vehicles10,359trucks · 23.3%
Road class
Motorway
Congestion ratio
50.4%
Median trip time
42.1 min
Drivers’ median age
39.4 yrs
Drivers’ average income
$65,939

At 4.1 times the county average, Purple Heart Trail draws drivers from neighborhoods averaging $65,939 in household income.

5William J Bordelon FreewayMotorway · #4 by traffic106,368vehicles9,206trucks · 8.7%
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

BexarDepartment 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 Bexar County

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

Need segment-level traffic data?

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