ZIP 78663 (Round Mountain, TX) truck route planning & crash data
Plan safer truck routes around ZIP 78663: commercial truck and garbage truck crashes here and in Blanco County, dangerous roads, seasonality and route safety data for fleets.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 212 truck crashes since 2015.
Deadliest roads
How Blanco County compares with Texas
Blanco County against Texas and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Blanco County stands out
Full comparison
| Measure (2015–2025) | Blanco County | Texas | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 136.1 | 62.9 | 49.7 | 2.2× the state |
| Deaths per 100 crashes | 8.0 | 4.1 | 3.4 | 2.0× the state |
| Injuries per crash | 0.81 | 0.58 | 0.49 | 1.4× the state |
| Garbage-truck share | 0.5% | 1.1% | 2.3% | 55% below the state |
| On snow, slush or ice | 1.0% | 1.7% | 6.2% | 39% below the state |
| Morning rush (6–10 am) | 27.0% | 22.6% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 11.5% | 11.3% | 13.8% | same |
| Winter months (Nov–Mar) | 42.0% | 40.8% | 41.9% | same |
| After dark | 30.5% | 27.0% | 24.8% | 1.1× the state |
Blanco County has lower values than Texas for garbage-truck share and on snow, slush or ice. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
The headline for Blanco County: 8.0 deaths for every 100 truck crashes, against 4.1 across Texas.
Overview
Since 2015, 212 crashes involving commercial trucks have been reported in Blanco County. They injured 171 people and killed 16.
Across the years with complete reporting, that is roughly one truck crash every 20 days.
When crashes happen
March has the most truck crashes, 10.4% of the yearly total, while October has the fewest (5.2%).
November through March accounts for 42.0% of truck crashes here, compared with 40.8% in Texas.
More truck crashes happen at 8–9 am than at any other hour (8.5%).
Snow, slush or ice was on the road in 1.0% of truck crashes, compared with 1.7% in Texas.
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 78663 is US-281, with 4 fatal large-truck crashes since 2015. After it: SR-71 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 1 crash, 0.5% of the total, against 1.1% across Texas.
Route planning tips for ZIP 78663 fleets
- Build extra time into March routes: it has the most truck crashes here.
- Where you can, review stops along US-281; it has the most fatal large-truck crashes nearby.
- Morning starts matter: 27.0% of truck crashes fall between 6 and 10 am, higher than Texas.
- 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 Blanco County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-281 | 4 |
| SR-71 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Blanco County) |
|---|---|
| US-281 | 6 |
| N 100 281 Hwy | 2 |
| Ranch Road 165 | 2 |
| Ranchroad 32 Rd | 2 |
| S 100 281 Hwy | 2 |
| S 1100 Us 281 Hwy | 2 |
| S 1100 Us 281 South Hwy | 2 |
| S 400 Us Hwy | 2 |
ZIP 78663 at a glance
| Population | 503 |
| Density | 2 per sq mi |
| Median household income | $168,125 |
| Home ownership | 83% |
Waste facilities and haulers nearby
Historical data: truck crashes in Blanco 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 | 6 | — | 0.2 |
| 2000s | 10 | +65% | 0.5 |
| 2010s | 13 | +39% | 0.7 |
| 2020s | 20 | +49% | 1.6 |
Reported truck crashes averaged 6 a year in the 1990s and 20 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 1.5 a year in 2016–19 and 1.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 78663
How many truck crashes happen in ZIP 78663?
Since 2015, 212 crashes involving commercial trucks were reported in Blanco County (171 injured, 16 killed).
Where do fatal truck crashes happen most in ZIP 78663?
Since 2015, US-281 has had the most fatal large-truck crashes within 10 miles of ZIP 78663: 4.
Which month has the most truck crashes in ZIP 78663?
The worst month is March: 10.4% of truck crashes in Blanco County happen then.
How many garbage truck crashes are there in ZIP 78663?
1 crash involving garbage or refuse trucks have been reported in Blanco County since 2015, 0.5% of all truck crashes.
What is the truck crash rate in ZIP 78663 compared with Texas?
The yearly rate is 136.1 truck crashes per 100,000 residents in Blanco County, vs 62.9 for Texas.
What is the best way to plan truck routes in ZIP 78663?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.