ZIP 78729 (Austin, TX) truck route planning & crash data
Plan safer truck routes around ZIP 78729: 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 |
Williamson County sits below Texas 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).
ZIP 78729 at a glance: I-35 deadliest road: 26 fatal truck crashes within 10 miles of ZIP 78729 since 2015.
Overview
Williamson County has recorded 3,299 truck crashes since 2015, with 1,603 people injured and 90 killed.
In complete reporting years that works out to about 1 truck crash a day.
When crashes happen
Truck crashes peak in August (9.3% of the year) and are lowest in December (7.2%).
November through March accounts for 39.5% of truck crashes here, compared with 40.8% in Texas.
The busiest hour is 7–8 am, 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
The deadliest road for trucks within 10 miles of ZIP 78729 is I-35, with 26 fatal large-truck crashes since 2015. Next come SR-45 (3), Fm 734 (2) and Mu-Pflugerville Pkwy (2).
Garbage & waste trucks
Garbage trucks account for 50 of the truck crashes here, or 1.5%, compared with 1.1% in Texas.
Their busiest month is March, with 12% of garbage-truck crashes.
Per 100 crashes, garbage trucks recorded 2.0 deaths compared with 2.7 for all trucks.
Route planning tips for ZIP 78729 fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Williamson County.
- Check whether your routes use I-35, the road with the most fatal truck crashes in this area.
- For residential and commercial waste routes, look again at March schedules: garbage-truck crashes peak then.
- 27.4% of truck crashes happen between 6 and 10 am, above Texas; consider earlier or later starts where possible.
- Icy and snowy roads show up in 1.8% of truck crashes here, more than Texas; schedule winter checks early.
- 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 Williamson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-35 | 26 |
| SR-45 | 3 |
| Fm 734 | 2 |
| Mu-Pflugerville Pkwy | 2 |
| SR-130 | 2 |
| SR-360 | 2 |
| US-183 | 2 |
| 183A Toll/Tx Hill Country Trl | 1 |
| Dessau Rd | 1 |
| Ferguson Ln | 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 78729 at a glance
| Population | 30,460 |
| Density | 1,199 per sq mi |
| Median household income | $86,438 |
| Median home value | $475,813 |
| Home ownership | 38% |
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. NHTSA counts 4.0 fatal large-truck crashes a year in 2016–19 and 10.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 78729
How common are truck crashes in ZIP 78729?
Williamson County has had 3,299 reported truck crashes since 2015, injuring 1,603 people and killing 90.
What is the most dangerous road for trucks in ZIP 78729?
I-35 had 26 fatal crashes involving a large truck within 10 miles of ZIP 78729 since 2015, more than any other road.
What is the worst month for truck crashes in ZIP 78729?
Truck crashes in Williamson County peak in August, with 9.3% of the year's crashes.
Are garbage truck crashes common in ZIP 78729?
Since 2015, Williamson County has reported 50 garbage-truck crashes, or 1.5% of its truck crashes.
What is the truck crash rate in ZIP 78729 compared 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 78729?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.