Patterson, LA truck route planning & crash data
Plan safer truck routes in Patterson: commercial truck and garbage truck crashes in Patterson and St. Mary Parish, dangerous roads, seasonality and route safety data for fleets. Patterns use St. Mary Parish numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4 of 316 truck crashes since 2015.
Deadliest roads
How St. Mary Parish compares with Louisiana
St. Mary Parish against Louisiana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where St. Mary Parish stands out
Full comparison
| Measure (2015–2025) | St. Mary Parish | Louisiana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 61.1 | 81.5 | 49.7 | 25% below the state |
| Deaths per 100 crashes | 4.5 | 3.0 | 3.4 | 1.5× the state |
| Injuries per crash | 0.90 | 0.77 | 0.49 | 1.2× the state |
| Garbage-truck share | 1.1% | 2.2% | 2.3% | 52% below the state |
| On snow, slush or ice | 1.1% | 0.8% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 25.9% | 23.6% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 10.5% | 10.5% | 13.8% | same |
| Winter months (Nov–Mar) | 37.4% | 40.3% | 41.9% | 7% below the state |
| After dark | 18.2% | 23.9% | 24.8% | 24% below the state |
St. Mary Parish sits below Louisiana on crashes per 100k residents / yr, garbage-truck share and winter months (nov–mar). Where it is higher: deaths per 100 crashes, injuries per crash and on snow, slush or ice.
St. Mary Parish at a glance: 1 in 95 of truck crashes here involve garbage trucks: 1.1%, vs 2.2% in Louisiana.
Overview
Police reported 316 crashes involving commercial trucks in St. Mary Parish since 2015: 282 people were injured and 14 were killed.
In complete reporting years that works out to about one truck crash every 13 days.
With 6 truck crashes reported in Patterson since 2015, this page uses St. Mary Parish numbers for its patterns and comparisons.
When crashes happen
Truck crashes peak in September (12.7% of the year) and are lowest in December (4.4%).
The five winter months (November to March) hold 37.4% of truck crashes, against 40.3% across Louisiana.
More truck crashes happen at 9–10 am than at any other hour (8.2%).
1.1% of truck crashes here happened on snow, slush or ice, against 0.8% across Louisiana.
Where crashes happen
US-90 leads within 10 miles of Patterson with 5 fatal crashes involving a large truck since 2015. After it: SR-182 (1) and US-190 (1).
Garbage & waste trucks
Garbage trucks account for 4 of the truck crashes here, or 1.3%, compared with 2.2% in Louisiana.
Route planning tips for Patterson fleets
- Review driver schedules for September, the month with the most truck crashes.
- Check whether your routes use US-90, the road with the most fatal truck crashes in this area.
- Morning starts matter: 25.9% of truck crashes fall between 6 and 10 am, higher than Louisiana.
- With 1.1% of truck crashes on snow, slush or ice (above Louisiana), plan winter equipment 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.
Reporting was incomplete in 2023, so those years are greyed out and left out of rates and comparisons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in St. Mary Parish
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-90 | 5 |
| SR-182 | 1 |
| US-190 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (St. Mary Parish) |
|---|---|
| US-90 | 198 |
| La-182 | 33 |
| La-70 | 13 |
| La-317 | 9 |
| La-3211 | 5 |
| La-83 | 4 |
| Victor Ii | 3 |
| La-87 | 3 |
Patterson at a glance
| Population | 5,614 |
| Land area | 2.5 sq mi |
| Density | 2,224 per sq mi |
| Median household income (ZIP 70392) | $57,959 |
| Median home value (ZIP 70392) | $145,156 |
Waste facilities and haulers nearby
Historical data: truck crashes in St. Mary Parish 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 | 18 | — | 2.0 |
| 2000s | 36 | +103% | 1.3 |
| 2010s | 37 | +3% | 1.1 |
| 2020s | 26 | -28% | 1.0 |
Reported truck crashes averaged 18 a year in the 1990s and 26 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 1.0 a year in 2016–19 and 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Patterson
How many truck crashes happen in Patterson?
Since 2015, 316 crashes involving commercial trucks were reported in St. Mary Parish (282 injured, 14 killed).
Where do fatal truck crashes happen most in Patterson?
NHTSA data shows US-90 with 5 fatal large-truck crashes within 10 miles of Patterson since 2015, the highest of any road.
When do most truck crashes happen in Patterson?
Truck crashes in St. Mary Parish peak in September, with 12.7% of the year's crashes.
How many garbage truck crashes are there in Patterson?
Garbage trucks were involved in 4 reported crashes in St. Mary Parish since 2015 (1.3% of truck crashes).
How does Patterson compare with Louisiana for truck crashes?
The yearly rate is 61.1 truck crashes per 100,000 residents in St. Mary Parish, vs 81.5 for Louisiana.
How do I plan a garbage truck route in Patterson?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
Crash reporting to FMCSA was incomplete in 2023; those years are greyed out and left out of rates. 2026 is a partial year. Updated October 2026.