ZIP 78642 (Liberty Hill, TX) truck route planning & crash data
Plan safer truck routes around ZIP 78642: commercial truck and garbage truck crashes here and in Williamson 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
2.0 deaths per 100 garbage-truck crashes vs 2.7 for all trucks.
Deadliest roads
How Williamson County compares with Texas
Williamson County against Texas and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Williamson County stands out
Full comparison
| Measure (2015–2025) | Williamson County | Texas | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 39.0 | 62.9 | 49.7 | 38% below the state |
| Deaths per 100 crashes | 2.7 | 4.1 | 3.4 | 34% below the state |
| Injuries per crash | 0.48 | 0.58 | 0.49 | 17% below the state |
| Garbage-truck share | 1.6% | 1.1% | 2.3% | 1.4× the state |
| On snow, slush or ice | 1.8% | 1.7% | 6.2% | 1.1× the state |
| Morning rush (6–10 am) | 27.4% | 22.6% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 7.6% | 11.3% | 13.8% | 32% below the state |
| Winter months (Nov–Mar) | 39.5% | 40.8% | 41.9% | same |
| After dark | 23.3% | 27.0% | 24.8% | 14% below the state |
Compared with Texas, Williamson County is lower on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. Where it is higher: garbage-truck share, on snow, slush or ice and morning rush (6–10 am).
What stands out in ZIP 78642: SR-29 deadliest road: 5 fatal truck crashes within 10 miles of ZIP 78642 since 2015.
Overview
Police reported 3,299 crashes involving commercial trucks in Williamson County since 2015: 1,603 people were injured and 90 were killed.
In complete reporting years that works out to about 1 truck crash a day.
When crashes happen
The worst month is August with 9.3% of truck crashes; the quietest is December at 7.2%.
November through March accounts for 39.5% of truck crashes here, compared with 40.8% in Texas.
By time of day, 7–8 am stands out with 8.0% of truck crashes.
Road surface: 1.8% of truck crashes were on snow, slush or ice (Texas: 1.7%).
Where crashes happen
SR-29 leads within 10 miles of ZIP 78642 with 5 fatal crashes involving a large truck since 2015. It is followed by US-183 (2), CR-RONALD Reagan Blvd (1) and CR-RONALD W Reagan (1).
Garbage & waste trucks
Garbage trucks account for 50 of the truck crashes here, or 1.5%, compared with 1.1% in Texas.
The most garbage-truck crashes happen in March (12%).
Per 100 crashes, garbage trucks recorded 2.0 deaths compared with 2.7 for all trucks.
Route planning tips for ZIP 78642 fleets
- Review driver schedules for August, the month with the most truck crashes.
- Where you can, review stops along SR-29; it has the most fatal large-truck crashes nearby.
- Waste haulers: March is the peak month for garbage-truck crashes in Williamson County.
- Morning starts matter: 27.4% of truck crashes fall between 6 and 10 am, higher than Texas.
- Icy and snowy roads show up in 1.8% of truck crashes here, more than Texas; schedule winter checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Williamson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-29 | 5 |
| US-183 | 2 |
| CR-RONALD Reagan Blvd | 1 |
| CR-RONALD W Reagan | 1 |
| Mu-Ronald Reagan Blvd | 1 |
| Rm 243 | 1 |
| Ronald W Reagan Blvd | 1 |
| US-183A | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Williamson County) |
|---|---|
| Chandler Rd | 62 |
| University Blvd | 42 |
| Sh 195 | 41 |
| Sh 130 | 31 |
| Williams Dr | 30 |
| I-35 | 28 |
| Limmer Loop | 27 |
| Louis Henna Blvd | 23 |
ZIP 78642 at a glance
| Population | 26,434 |
| Density | 92 per sq mi |
| Median household income | $132,958 |
| Median home value | $508,114 |
| Home ownership | 83% |
Waste facilities and haulers nearby
Historical data: truck crashes in Williamson 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 | 112 | — | 4.4 |
| 2000s | 169 | +50% | 4.9 |
| 2010s | 175 | +4% | 3.5 |
| 2020s | 328 | +87% | 10.0 |
In the 1990s about 112 truck crashes a year were reported; in the 2020s, about 328. Reporting coverage also changed between these periods. Fatal large-truck crashes: 4.0 a year in 2016–19, 10.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 78642
How many truck accidents are there in ZIP 78642?
3,299 truck crashes have been reported in Williamson County since 2015, with 90 deaths and 1,603 injuries.
What is the most dangerous road for trucks in ZIP 78642?
NHTSA data shows SR-29 with 5 fatal large-truck crashes within 10 miles of ZIP 78642 since 2015, the highest of any road.
What is the worst month for truck crashes in ZIP 78642?
The worst month is August: 9.3% of truck crashes in Williamson County happen then.
Are garbage truck crashes common in ZIP 78642?
Garbage trucks were involved in 50 reported crashes in Williamson County since 2015 (1.5% of truck crashes).
How do truck crashes in ZIP 78642 compare with Texas?
The yearly rate is 39.0 truck crashes per 100,000 residents in Williamson County, vs 62.9 for Texas.
What is the best way to plan truck routes in ZIP 78642?
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.