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TrafficThe average number of vehicles that travel each day over any road in the road network. | vehicles per day4,601 |
|---|---|
TrucksThe percentage of the total traffic volume composed of heavy vehicles. | 13.1% |
Average travel timeThe average time of travel averaged among all vehicles traveling on the road network. | 32.2 min |
Congestion ratioThe rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 12.8% |
Drivers’ average ageAverage age of residents in the geographic areas where the vehicle trips originated. | 45.6 yrs |
Drivers’ average incomeAverage income of residents in the geographic areas where the vehicle trips originated. | $70,070 |
Our data shows 4,601 vehicles per day on the average road in San Patricio County, Texas, and 2,156,705 vehicle-miles traveled per day (≈787 million per year) across its 477 miles of monitored roads. Trucks are 13.1% of traffic, more than the 9.8% across Texas.
At 4,601 vehicles per day, the average monitored road in San Patricio carries 33% less traffic than the state average of 6,895, suggesting less demand on each road - lighter roads for freight, but less passing trade for roadside retail. In total volume terms, its road network carries about 0.3% of Texas's statewide total of vehicle-miles. 74% of counties in Texas see less traffic than San Patricio's 4,601 vehicles per day.
The average trip takes 32.2 minutes, on par with the state level. 74% of counties in Texas have a longer average travel time than San Patricio's 32.2 minutes.
Congestion runs 22% lower than the state level, at a ratio of 12.8%, which means smoother traffic flow - relevant for traffic control and delivery planning.
| Traffic | vehicles per day9,336 |
|---|---|
| Trucks | 16.0% |
| Average travel time | 39.5 min |
| Congestion ratio | 18.0% |
| Drivers’ average age | 45.0 yrs |
| Drivers’ average income | $69,549 |
Highways carry more than half of all travel in San Patricio County, Texas (67% of vehicle-miles). The average highway carries 9,336 vehicles per day, 151% more than the average non-highway road in the same area, which carries 3,717 vehicles per day.
Highways make up 35% of the monitored road miles (169 miles, 594 segments), so they carry more than their share: 1,448,781 vehicle-miles traveled per day (≈529 million per year).
77% of counties in Texas move less traffic on their highways.
The concentration of trucks on highways (16.0%) is 17% higher than the state average for similar road classifications. Highways here lean toward freight, so highway access is a real asset for logistics operators.
San Patricio's highway truck share (16.0%) is higher than 53% of counties in Texas. 54% of counties in Texas see fewer highway trucks per day than San Patricio's roughly 1,496.
| Traffic | vehicles per day3,717 |
|---|---|
| Trucks | 7.0% |
| Average travel time | 30.8 min |
| Congestion ratio | 11.9% |
| Drivers’ average age | 46.7 yrs |
| Drivers’ average income | $70,749 |
Local roads carry a significant share of travel in San Patricio County, Texas: 33% of all vehicle-miles. On the average non-highway road, that comes to 3,717 vehicles per day.
Spread over 308 miles and 3,183 segments, 65% of the road network, local roads carry a lighter load per mile: 707,924 vehicle-miles traveled per day (≈258 million per year). About 1 in 14 vehicles on non-highway roads is a truck (7.0%).
Non-highway roads carry a truck concentration that's 56% lower than the highway network.
Non-highway congestion (11.9%) runs 26% lower than the state average, pointing to smoother local traffic flow.
Trip origins here have higher average income than 53% of counties in Texas. 51% of counties in Texas have an older driver population than San Patricio.
Of the four measures, truck share differs most: San Patricio County runs 34% above the Texas average. Its average daily traffic per road, by contrast, is 33% below.
| Metric | San Patricio County | Texas average | Difference |
|---|---|---|---|
| Traffic | 4,601 | 6,895 | -33.3% |
| Truck % (Total Traffic) | 13.1% | 9.8% | +33.7% |
| Truck % (Highway) | 16.0% | 13.8% | +16.5% |
| Avg. Travel Time | 32.2 min | 32.6 min | -1.3% |
Set against the average of the 4 areas nearest to it, San Patricio County sees 19.2% shorter typical trips; it has the third busiest roads of the five.
| Area | Average daily traffic | Truck share | Daily vehicle-miles | Average travel time | Congestion ratio |
|---|---|---|---|---|---|
| San Patricio County | 4,601 | 13.1% | 2,156,705 | 32.2 min | 12.8% |
| Nueces County, Texas | 7,968 | 8.5% | 7,963,548 | 30.4 min | 23.1% |
| Refugio County, Texas | 3,354 | 20.0% | 790,728 | 57.5 min | 8.2% |
| Aransas County, Texas | 4,895 | 6.4% | 580,746 | 29.1 min | 16.2% |
| Bee County, Texas | 2,876 | 10.7% | 697,647 | 42.3 min | 9.1% |
| Texas average | 6,895 | 9.8% | N/A | 32.6 min | 16.4% |
San Patricio County sits in the top quarter of the Texas field on highway travel volume, at #54 of 227.
| Measure | San Patricio County | Texas rank |
|---|---|---|
| Traffic volume (AADT) | 4,601 | #66 of 254 |
| Highway vehicle-miles per day | 1,448,781 | #54 of 227 |
| Truck share on highways | 16.0% | #108 of 227 |
| Highway trucks per day | 1,496 | #106 of 227 |
| Average travel time | 32.2 min | #188 of 254 |
| Average driver income | $70,070 | #119 of 254 |
| Average driver age | 45.6 yrs | #129 of 254 |
The top three roads on this list in San Patricio County average 29,986 vehicles a day, 6.5 times the county average of 4,601 across all its monitored roads.
US 181 tops the list with 36,201 vehicles a day, 3,275 of them trucks (9.1%). I 37 carries the most trucks on the list, 5,278 a day (21.3% of its traffic), although it ranks #4 for all traffic.
I 37 carries longer journeys than most roads here, with a median trip of 46.3 minutes against 32.2 county-wide.
Trucks make up 21.3% of traffic on I 37, against 13.1% across all roads in the county.
Only named roads are listed. Some unnamed segments, such as ramps or unlabeled carriageways, may carry as much traffic as the roads shown.
US 181 is one of the more congested roads here: trips take 43% longer than at free-flow speed, against 13% county-wide.
I37 carries through traffic: the median trip using it lasts 43.8 minutes, against 32.2 for the county.
TX 35 carries 5.6 times the county average on its busiest stretch, where the median trip lasts 34.3 minutes.
Delays build on I 37: its congestion ratio of 39% over free-flow time is well above the county's 13%.
At 3.8 times the county average, TX 361 draws drivers from neighborhoods averaging $77,718 in household income.
Only named roads are listed. Some unnamed segments, such as ramps or unlabeled carriageways, may carry as much traffic as the roads shown.
The busiest stretch of US 77 carries 3.8 times the county average; trucks are 13.1% of it, in line with the county-wide 13.1%.
The average monitored road in San Patricio carries 4,601 vehicles per day, 33% less than the Texas average of 6,895.
San Patricio's average travel time of 32.2 minutes is shorter than 74% of counties in Texas.
Drivers on San Patricio roads have a median age of 46 years, older than the Texas average of 42, and the median household income of the neighborhoods trips originate from averages $70,070, 23% below the Texas average.
Approximately 37% of highway traffic and 18% of non-highway traffic consists of vehicles whose trip originates outside San Patricio County, Texas. A sizeable share of highway traffic comes from outside, mixed with local trips on the same roads.
Trucks make up about 13.1% of all traffic in San Patricio County, Texas, rising to 16.0% on highways, where long-haul freight concentrates.
Weekday traffic has two busy windows: AM peak 7:00 AM–8:00 AM and PM peak 4:00 PM–7:00 PM - about 67% above the daily average.
The average trip in San Patricio takes 32.2 minutes, about the same as the Texas average, delays at signals and congestion included.
About 36,201 vehicles per day in both directions on its busiest stretch, including 3,275 trucks (9.1%). Traffic is lower on its quieter stretches; TrafficZoom shows the count for every segment.
About 5,278 trucks per day on its busiest stretch, 21.3% of its 24,809 vehicles.

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 San Patricio County, Texas.
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