Dilley, TX truck route planning & crash data
Plan safer truck routes in Dilley: commercial truck and garbage truck crashes in Dilley and Frio County, dangerous roads, seasonality and route safety data for fleets. Patterns use Frio County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 428 truck crashes since 2015.
Deadliest roads
How Frio County compares with Texas
Frio County against Texas and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Frio County stands out
Full comparison
| Measure (2015–2025) | Frio County | Texas | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 187.7 | 62.9 | 49.7 | 3.0× the state |
| Deaths per 100 crashes | 8.9 | 4.1 | 3.4 | 2.2× the state |
| Injuries per crash | 0.62 | 0.58 | 0.49 | same |
| Garbage-truck share | 0.0% | 1.1% | 2.3% | 100% below the state |
| On snow, slush or ice | 0.7% | 1.7% | 6.2% | 55% below the state |
| Morning rush (6–10 am) | 17.4% | 22.6% | 23.7% | 23% below the state |
| In rain, sleet or snow | 11.7% | 11.3% | 13.8% | same |
| Winter months (Nov–Mar) | 37.2% | 40.8% | 41.9% | 9% below the state |
| After dark | 34.7% | 27.0% | 24.8% | 1.3× the state |
Compared with Texas, Frio County is lower on garbage-truck share, on snow, slush or ice and morning rush (6–10 am). It stands out for higher crashes per 100k residents / yr, deaths per 100 crashes and after dark.
The headline for Frio County: 0 garbage-truck share of crashes is 0.0%, against 1.1% for Texas.
Overview
Since 2015, 428 crashes involving commercial trucks have been reported in Frio County. They injured 266 people and killed 36.
In complete reporting years that works out to about one truck crash every 10 days.
Dilley had 23 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Frio County numbers.
When crashes happen
August has the most truck crashes, 13.3% of the yearly total, while December has the fewest (5.8%).
November through March accounts for 37.2% of truck crashes here, compared with 40.8% in Texas.
More truck crashes happen at 4–5 pm than at any other hour (8.2%).
Snow, slush or ice was on the road in 0.7% of truck crashes, compared with 1.7% in Texas.
Where crashes happen
The deadliest road for trucks within 10 miles of Dilley is I-35, with 5 fatal large-truck crashes since 2015. After it: Fm 117 (1) and US-85 (1).
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 0.2%, compared with 1.1% in Texas.
Route planning tips for Dilley fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Frio County.
- Look at alternatives to I-35 at busy times: it leads this area in fatal truck crashes.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Frio County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-35 | 5 |
| Fm 117 | 1 |
| US-85 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Frio County) |
|---|---|
| I-35 | 9 |
| N 35 Hwy | 3 |
| N Ih 35 | 3 |
| Sh 85 | 3 |
| N Interstate 35 Hwy | 2 |
| S 7500 South Interstate 35 Frontage Rd | 2 |
| S Ih 35 | 2 |
| W 1900 Comal St | 2 |
Dilley at a glance
| Population | 3,953 |
| Land area | 2.3 sq mi |
| Density | 1,696 per sq mi |
| Median household income (ZIP 78017) | $59,808 |
| Median home value (ZIP 78017) | $97,935 |
Waste facilities and haulers nearby
Historical data: truck crashes in Frio County since the 1990s
Combines the FMCSA crash file (all reported truck crashes, real coverage from about 1990) with NHTSA FARS (fatal crashes involving a large truck, 1982–2024).
| Decade | Truck crashes / yr | Change | Fatal crashes / yr (FARS) |
|---|---|---|---|
| 1990s | 10 | — | 0.8 |
| 2000s | 17 | +63% | 0.8 |
| 2010s | 36 | +115% | 1.3 |
| 2020s | 35 | -3% | 2.4 |
Reported truck crashes averaged 10 a year in the 1990s and 35 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 1.2 a year in 2016–19 and 2.4 a year in 2020–24.
Nearby places
Questions fleets ask about Dilley
How many truck accidents are there in Dilley?
Frio County has had 428 reported truck crashes since 2015, injuring 266 people and killing 36.
What is the most dangerous road for trucks in Dilley?
NHTSA data shows I-35 with 5 fatal large-truck crashes within 10 miles of Dilley since 2015, the highest of any road.
Which month has the most truck crashes in Dilley?
Truck crashes in Frio County peak in August, with 13.3% of the year's crashes.
How many garbage truck crashes are there in Dilley?
1 crash involving garbage or refuse trucks have been reported in Frio County since 2015, 0.2% of all truck crashes.
How does Dilley compare with Texas for truck crashes?
Per 100,000 residents, Frio County has 187.7 truck crashes a year; Texas has 62.9.
How do I plan a garbage truck route in Dilley?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.