ZIP 38476 (Primm Springs, TN) truck route planning & crash data
Plan safer truck routes around ZIP 38476: 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
0.0 deaths per 100 garbage-truck crashes vs 3.8 for all trucks.
Deadliest roads
How Williamson County compares with Tennessee
Williamson County against Tennessee 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 | Tennessee | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 39.5 | 60.1 | 49.7 | 34% below the state |
| Deaths per 100 crashes | 3.8 | 3.9 | 3.4 | same |
| Injuries per crash | 0.46 | 0.48 | 0.49 | same |
| Garbage-truck share | 2.6% | 1.9% | 2.3% | 1.3× the state |
| On snow, slush or ice | 1.9% | 2.3% | 6.2% | 19% below the state |
| Morning rush (6–10 am) | 25.2% | 21.8% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 11.9% | 14.9% | 13.8% | 21% below the state |
| Winter months (Nov–Mar) | 39.1% | 40.5% | 41.9% | same |
| After dark | 23.2% | 25.9% | 24.8% | 11% below the state |
Williamson County sits below Tennessee on crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow. Where it is higher: garbage-truck share and morning rush (6–10 am).
The headline for Williamson County: 1 in 39 of truck crashes here involve garbage trucks: 2.6%, vs 1.9% in Tennessee.
Overview
Since 2015, 1,263 crashes involving commercial trucks have been reported in Williamson County. They injured 587 people and killed 47.
In complete reporting years that works out to about one truck crash every 3 days.
When crashes happen
The worst month is October with 10.1% of truck crashes; the quietest is February at 5.9%.
The five winter months (November to March) hold 39.1% of truck crashes, against 40.5% across Tennessee.
The busiest hour is 3–4 pm, with 7.5% of truck crashes.
1.9% of truck crashes here happened on snow, slush or ice, against 2.3% across Tennessee.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 38476 happened on SR-840 (2) and SR-50 (1); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 34 of the truck crashes here, or 2.7%, compared with 1.9% in Tennessee.
Their busiest month is April, with 15% of garbage-truck crashes.
Deaths per 100 garbage-truck crashes: 0.0, vs 3.8 for all truck crashes.
Route planning tips for ZIP 38476 fleets
- Build extra time into October routes: it has the most truck crashes here.
- Garbage-truck crashes here peak in April; review collection routes for that month.
- 25.2% of truck crashes happen between 6 and 10 am, above Tennessee; consider earlier or later starts where possible.
- 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) |
|---|---|
| SR-840 | 2 |
| SR-50 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Williamson County) |
|---|---|
| I-65 | 409 |
| I-840 | 188 |
| I-40 | 78 |
| Lewisburg Pike | 31 |
| Murfreesboro Rd | 27 |
| Wilson Pike | 24 |
| Franklin Rd | 18 |
| I-65 Hwy | 15 |
ZIP 38476 at a glance
| Population | 1,228 |
| Density | 12 per sq mi |
| Median household income | $83,654 |
| Home ownership | 88% |
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 | 26 | — | 1.5 |
| 2000s | 44 | +70% | 1.6 |
| 2010s | 75 | +69% | 1.8 |
| 2020s | 119 | +59% | 3.0 |
In the 1990s about 26 truck crashes a year were reported; in the 2020s, about 119. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 3.0 a year in 2016–19 and 3.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 38476
How many truck crashes happen in ZIP 38476?
1,263 truck crashes have been reported in Williamson County since 2015, with 47 deaths and 587 injuries.
What is the worst month for truck crashes in ZIP 38476?
October has the most truck crashes in Williamson County, 10.1% of the yearly total.
How many garbage truck accidents happen in ZIP 38476?
34 crashes involving garbage or refuse trucks have been reported in Williamson County since 2015, 2.7% of all truck crashes.
How does ZIP 38476 compare with Tennessee for truck crashes?
Per 100,000 residents, Williamson County has 39.5 truck crashes a year; Tennessee has 60.1.
How can I plan a safer truck route in ZIP 38476?
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.