ZIP 78615 (Coupland, TX) truck route planning & crash data
Plan safer truck routes around ZIP 78615: 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 has lower values than Texas for 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 78615: 1.9× fatal truck crashes within 10 miles of ZIP 78615 per year, 2020–24 vs 2016–19 (2.8 vs 1.5).
Overview
Williamson County has recorded 3,299 truck crashes since 2015, with 1,603 people injured and 90 killed.
That averages about 1 truck crash a day in fully reported years.
When crashes happen
August has the most truck crashes, 9.3% of the yearly total, while December has the fewest (7.2%).
Winter months (Nov–Mar) carry 39.5% of truck crashes, vs 40.8% for Texas.
More truck crashes happen at 7–8 am than at any other hour (8.0%).
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 78615 is SR-95, with 6 fatal large-truck crashes since 2015. After it: Fm 973 (5), US-290 (5) and US-79 (3).
Garbage & waste trucks
50 crashes involved a garbage or refuse truck, a 1.5% share (Texas: 1.1%).
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 78615 fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Williamson County.
- Look at alternatives to SR-95 at busy times: it leads this area in fatal truck crashes.
- Waste haulers: March is the peak month for garbage-truck crashes in Williamson County.
- 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.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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) |
|---|---|
| SR-95 | 6 |
| Fm 973 | 5 |
| US-290 | 5 |
| US-79 | 3 |
| CR-458 Pfluger Berkman | 1 |
| County Line Rd | 1 |
| Fm1660 | 1 |
| SR-79 | 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 78615 at a glance
| Population | 1,637 |
| Density | 12 per sq mi |
| Median household income | $80,938 |
| Median home value | $447,136 |
| 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 |
From the 1990s to the 2020s, yearly reported truck crashes went from 112 to 328. Some of the change may reflect how crashes were reported. 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 78615
How common are truck crashes in ZIP 78615?
Since 2015, 3,299 crashes involving commercial trucks were reported in Williamson County (1,603 injured, 90 killed).
Which road has the most fatal truck crashes in ZIP 78615?
SR-95 had 6 fatal crashes involving a large truck within 10 miles of ZIP 78615 since 2015, more than any other road.
When do most truck crashes happen in ZIP 78615?
Truck crashes in Williamson County peak in August, with 9.3% of the year's crashes.
How many garbage truck crashes are there in ZIP 78615?
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 78615 compared with Texas?
The yearly rate is 39.0 truck crashes per 100,000 residents in Williamson County, vs 62.9 for Texas.
How can I plan a safer truck route in ZIP 78615?
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.