ZIP 70471 (Mandeville, LA) truck route planning & crash data
Plan safer truck routes around ZIP 70471: commercial truck and garbage truck crashes here and in St. Tammany Parish, 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 |
Compared with Louisiana, St. Tammany Parish is lower on 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 ZIP 70471: 1.9× change in fatal truck crashes a year within 10 miles of ZIP 70471 (1.8 → 3.4).
Overview
Since 2015, 2,107 crashes involving commercial trucks have been reported in St. Tammany Parish. They injured 1,235 people and killed 68.
Across the years with complete reporting, that is roughly one truck crash every 2 days.
When crashes happen
August has the most truck crashes, 9.6% of the yearly total, while April has the fewest (7.1%).
November through March accounts for 39.7% of truck crashes here, compared with 40.3% in Louisiana.
More truck crashes happen at 1–2 pm than at any other hour (7.7%).
Snow, slush or ice was on the road in 0.6% of truck crashes, compared with 0.8% in Louisiana.
Where crashes happen
I-12 leads within 10 miles of ZIP 70471 with 13 fatal crashes involving a large truck since 2015. It is followed by US-190 (4), SR-435 (2) and SR-59 (2).
Garbage & waste trucks
Garbage trucks account for 46 of the truck crashes here, or 2.2%, compared with 2.2% in Louisiana.
The most garbage-truck crashes happen in May (13%).
Per 100 crashes, garbage trucks recorded 7.1 deaths compared with 3.3 for all trucks.
Route planning tips for ZIP 70471 fleets
- Build extra time into August routes: it has the most truck crashes here.
- Check whether your routes use I-12, the road with the most fatal truck crashes in this area.
- For residential and commercial waste routes, look again at May schedules: garbage-truck crashes peak then.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 (within 10 miles) |
|---|---|
| I-12 | 13 |
| US-190 | 4 |
| SR-435 | 2 |
| SR-59 | 2 |
| CR-LOWE Davis Road | 1 |
| SR-21 | 1 |
| SR-22 | 1 |
| SR-25 | 1 |
| SR-437 | 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 |
ZIP 70471 at a glance
| Population | 24,199 |
| Density | 323 per sq mi |
| Median household income | $96,501 |
| Median home value | $392,712 |
| Home ownership | 74% |
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 crashes involving a large truck averaged 3.5 a year in 2016–19 and 7.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 70471
How many truck crashes happen in ZIP 70471?
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 ZIP 70471?
NHTSA data shows I-12 with 13 fatal large-truck crashes within 10 miles of ZIP 70471 since 2015, the highest of any road.
When do most truck crashes happen in ZIP 70471?
August has the most truck crashes in St. Tammany Parish, 9.6% of the yearly total.
How many garbage truck accidents happen in ZIP 70471?
46 crashes involving garbage or refuse trucks have been reported in St. Tammany Parish since 2015, 2.2% of all truck crashes.
What is the truck crash rate in ZIP 70471 compared with Louisiana?
St. Tammany Parish records 64.7 truck crashes per 100,000 residents a year, against 81.5 across Louisiana.
What is the best way to plan truck routes in ZIP 70471?
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.