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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day2,446 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 26.0% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 36.9 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 7.9% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 41.0 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $65,361 |
Our data shows 2,446 vehicles per day on the average road in Frio County, Texas, and 1,339,866 vehicle-miles traveled per day (≈489 million per year) across its 374 miles of monitored roads. Freight weighs heavily here: trucks are 26.0% of traffic, against 9.8% across Texas.
At 2,446 vehicles per day, the average monitored road in Frio carries 65% less traffic than the state average of 6,895, suggesting less demand on each road - very light roads: easy truck access, but little passing trade for roadside retail. Across the whole network, that travel is about 0.2% of Texas's statewide total. 62% of counties in Texas see more traffic than Frio's 2,446 vehicles per day.
At 36.9 minutes, the average travel time is 13% higher than the state level. Its average travel time of 36.9 minutes is longer than 66% of counties in Texas.
Congestion runs 51% lower than the state level, at a ratio of 7.9%, which means smoother traffic flow - delays are rare enough to plan travel times almost to the minute.
| Traffic | vehicles per day8,730 |
|---|---|
| Trucks | 31.6% |
| Average travel time | 65.9 min |
| Congestion ratio | 20.5% |
| Drivers’ average age | 40.7 yrs |
| Drivers’ average income | $64,439 |
Highways carry most of the traffic in Frio County, Texas: 72% of all vehicle-miles. The average highway carries 8,730 vehicles per day, 374% more than the average non-highway road in the same area, which carries 1,842 vehicles per day.
Highways make up 26% of the monitored road miles (97 miles, 190 segments), so they carry more than their share: 966,705 vehicle-miles traveled per day (≈353 million per year).
By highway travel volume, Frio outranks 69% of counties in Texas.
Highway truck concentration here runs 129% higher than the state average, at 31.6%. That marks Frio as a major freight corridor, where highway access is what logistics operators compete on.
By truck concentration, highways here outrank 92% of counties in Texas. 88% of counties in Texas see fewer highway trucks per day than Frio's roughly 2,754.
| Traffic | vehicles per day1,842 |
|---|---|
| Trucks | 11.7% |
| Average travel time | 34.1 min |
| Congestion ratio | 6.7% |
| Drivers’ average age | 42.0 yrs |
| Drivers’ average income | $66,710 |
Local roads carry a smaller share of travel in Frio County, Texas, 28% of vehicle-miles; most driving happens on highways. The average non-highway road carries 1,842 vehicles per day.
Spread over 278 miles and 1,973 segments, 74% of the road network, local roads carry a lighter load per mile: 373,161 vehicle-miles traveled per day (≈136 million per year). Trucks make up 11.7% of non-highway traffic, about 1 in 9 vehicles.
Non-highway roads carry a truck concentration that's 63% lower than the highway network.
At 58% lower than the state level, the non-highway congestion ratio of 6.7% signals easier movement on local roads.
66% of counties in Texas see higher average driver income among trip origins than Frio. 89% of counties in Texas have an older driver population than Frio.
Of the four measures, truck share differs most: Frio County runs 166% above the Texas average. Its highway truck share is also 129% above.
| Metric | Frio County | Texas average | Difference |
|---|---|---|---|
| Traffic | 2,446 | 6,895 | -64.5% |
| Truck % (Total Traffic) | 26.0% | 9.8% | +166.2% |
| Truck % (Highway) | 31.6% | 13.8% | +129.5% |
| Avg. Travel Time | 36.9 min | 32.6 min | +13.1% |
Nothing in this table sets Frio County sharply apart from the 4 areas nearest to it, though it has the quietest roads of the five.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| Frio County | 2,446 | 26.0% | 1,339,866 | 36.9 min | 7.9% |
| La Salle County, Texas | 2,691 | 32.1% | 1,304,408 | 56.5 min | 9.1% |
| Atascosa County, Texas | 4,218 | 19.2% | 2,081,324 | 32.7 min | 13.3% |
| Medina County, Texas | 3,681 | 12.6% | 1,585,883 | 31.1 min | 8.9% |
| Zavala County, Texas | 2,487 | 21.9% | 431,058 | 45.7 min | 7.6% |
| Texas average | 6,895 | 9.8% | N/A | 32.6 min | 16.4% |
Truck share on highways places Frio County #18 of 227 in Texas - the top quarter of the state.
| Measure | Frio County | Texas rank |
|---|---|---|
| Traffic volume (AADT) | 2,446 | #157 of 254 |
| Highway vehicle-miles per day | 966,705 | #72 of 227 |
| Truck share on highways | 31.6% | #18 of 227 |
| Highway trucks per day | 2,754 | #29 of 227 |
| Average travel time | 36.9 min | #86 of 254 |
| Average driver income | $65,361 | #169 of 254 |
| Average driver age | 41.0 yrs | #226 of 254 |
Frio County ranks #18 of 227 on truck share on highways but #226 of 254 on average driver age - the two describe the same roads and are worth reading together rather than either on its own.
On their busiest stretches, the three busiest roads in Frio County carry 13,434 vehicles a day on average, 5.5 times the typical road in the county (2,446).
Purple Heart Trail is the busiest road, at 22,524 vehicles a day, 7,162 of them trucks (31.8%). That is 2.3 times the next road, I 35 (9,798). It tops the truck ranking too, with the most trucks.
US 57 carries longer journeys than most roads here, with a median trip of 76.4 minutes against 36.9 county-wide.
Few trucks use Comal Street: 7.1% of its traffic, under half the county's 26.0%.
Purple Heart Trail is one of the more congested roads here: trips take 23% longer than at free-flow speed, against 8% county-wide.
Delays build on I 35: its congestion ratio of 29% over free-flow time is well above the county's 8%.
On its busiest stretch, Comal Street carries 3.3 times the county average; trucks are 7.1% of it, below the county-wide 26.0%.
Oak Street peaks at 7,660 vehicles a day, 3.1 times the county average; trucks are 7.1% of it, below the county-wide 26.0%.
US 57 carries 2.6 times the county average at its busiest, 1,899 of them trucks (30.2%, above the county-wide 26.0%).
The average monitored road in Frio carries 2,446 vehicles per day, 65% less than the Texas average of 6,895.
The driver population in Frio skews younger than 89% of counties in Texas.
The average trip in Frio takes 36.9 minutes, 13% longer than the Texas average of 32.6 minutes, delays at signals and congestion included.
Approximately 54% of highway traffic and 8% of non-highway traffic consists of vehicles whose trip originates outside Frio County, Texas. A sizeable share of highway traffic comes from outside, mixed with local trips on the same roads.
Drivers on Frio roads have a median age of 41 years, and the median household income of the neighborhoods trips originate from averages $65,361, 28% below the Texas average.
Trucks make up about 26.0% of all traffic in Frio County, Texas, rising to 31.6% on highways, where long-haul freight concentrates.
Purple Heart Trail carries the most, 22,524 vehicles per day on its busiest stretch, followed by I 35 (9,798), Comal Street (7,981), Oak Street (7,660), US 57 (6,281). Figures are AADT, both directions combined.
Purple Heart Trail, with about 7,162 trucks per day on its busiest stretch, 31.8% of its 22,524 vehicles.
About 22,524 vehicles per day in both directions on its busiest stretch, including 7,162 trucks (31.8%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.

Mobile device location data (anonymized and aggregated)

Road sensor networks and traffic counters

Historical traffic pattern databases
The same traffic breakdown for the areas closest to Frio County, Texas.
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