St. Tammany Parish, LA truck route planning & crash data
Plan safer truck routes in St. Tammany Parish: commercial truck and garbage truck crashes, 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
7.1 deaths per 100 garbage-truck crashes vs 3.3 for all trucks.
Deadliest roads
How St. Tammany Parish compares with Louisiana
St. Tammany Parish against Louisiana and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where St. Tammany Parish stands out
Full comparison
| Measure (2015–2025) | St. Tammany Parish | Louisiana | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 64.7 | 81.5 | 49.7 | 21% below the state |
| Deaths per 100 crashes | 3.3 | 3.0 | 3.4 | 1.1× the state |
| Injuries per crash | 0.59 | 0.77 | 0.49 | 23% below the state |
| Garbage-truck share | 2.1% | 2.2% | 2.3% | same |
| On snow, slush or ice | 0.6% | 0.8% | 6.2% | 25% below the state |
| Morning rush (6–10 am) | 23.1% | 23.6% | 23.7% | same |
| In rain, sleet or snow | 8.9% | 10.5% | 13.8% | 15% below the state |
| Winter months (Nov–Mar) | 39.7% | 40.3% | 41.9% | same |
| After dark | 24.0% | 23.9% | 24.8% | same |
St. Tammany Parish has lower values than Louisiana for crashes per 100k residents / yr, injuries per crash and on snow, slush or ice. It runs above Louisiana on deaths per 100 crashes.
What stands out in St. Tammany Parish: 2.0× yearly fatal truck crashes in St. Tammany Parish: 3.5 in 2016–19, 7.0 in 2020–24.
Overview
St. Tammany Parish has recorded 2,107 truck crashes since 2015, with 1,235 people injured and 68 killed.
Across the years with complete reporting, that is roughly one truck crash every 2 days.
When crashes happen
Truck crashes peak in August (9.6% of the year) and are lowest in April (7.1%).
Winter months (Nov–Mar) carry 39.7% of truck crashes, vs 40.3% for Louisiana.
By time of day, 1–2 pm stands out with 7.7% of truck crashes.
Snow, slush or ice was on the road in 0.6% of truck crashes, compared with 0.8% in Louisiana.
Where crashes happen
The deadliest road for trucks in St. Tammany Parish is I-12, with 22 fatal large-truck crashes since 2015. It is followed by I-10 (10), US-190 (6) and SR-25 (3).
Garbage & waste trucks
Garbage and refuse trucks were involved in 46 crashes, 2.2% of the total, against 2.2% across Louisiana.
The most garbage-truck crashes happen in May (13%).
They recorded 7.1 deaths per 100 crashes, against 3.3 for all trucks.
Route planning tips for St. Tammany Parish fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in St. Tammany Parish.
- Look at alternatives to I-12 at busy times: it leads this area in fatal truck crashes.
- For residential and commercial waste routes, look again at May schedules: garbage-truck crashes peak then.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in St. Tammany Parish
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in St. Tammany Parish) |
|---|---|
| I-12 | 22 |
| I-10 | 10 |
| US-190 | 6 |
| SR-25 | 3 |
| SR-435 | 2 |
| SR-437 | 2 |
| SR-59 | 2 |
| CR-E Forest Dr | 1 |
| CR-LOWE Davis Road | 1 |
| CR-WILLIE Road | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (St. Tammany Parish) |
|---|---|
| I-12 | 795 |
| I-10 | 280 |
| US-190 | 227 |
| I-59 | 114 |
| La-21 | 57 |
| La-59 | 43 |
| US-11 | 35 |
| La-25 | 33 |
St. Tammany Parish at a glance
| Population | 277,615 |
| Land area | 845.3 sq mi |
| Density | 328 per sq mi |
| Median household income (ZIP average) | $83,099 |
Waste facilities and haulers nearby
Historical data: truck crashes in St. Tammany 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 | 56 | — | 4.4 |
| 2000s | 129 | +130% | 4.8 |
| 2010s | 157 | +22% | 3.8 |
| 2020s | 182 | +16% | 7.0 |
Reported truck crashes averaged 56 a year in the 1990s and 182 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 3.5 a year in 2016–19, 7.0 a year in 2020–24.
Cities, towns & communities in St. Tammany Parish
ZIP codes in St. Tammany Parish
Nearby counties
Questions fleets ask about St. Tammany Parish
How common are truck crashes in St. Tammany Parish?
2,107 truck crashes have been reported in St. Tammany Parish since 2015, with 68 deaths and 1,235 injuries.
Which road has the most fatal truck crashes in St. Tammany Parish?
Since 2015, I-12 has had the most fatal large-truck crashes in St. Tammany Parish: 22.
What is the worst month for truck crashes in St. Tammany Parish?
Truck crashes in St. Tammany Parish peak in August, with 9.6% of the year's crashes.
How many garbage truck crashes are there in St. Tammany Parish?
Since 2015, St. Tammany Parish has reported 46 garbage-truck crashes, or 2.2% of its truck crashes.
How do truck crashes in St. Tammany Parish compare with Louisiana?
Per 100,000 residents, St. Tammany Parish has 64.7 truck crashes a year; Louisiana has 81.5.
How can I plan a safer truck route in St. Tammany Parish?
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.