Slater-Marietta, SC truck route planning & crash data
Plan safer truck routes in Slater-Marietta: commercial truck and garbage truck crashes in Slater-Marietta and Greenville County, dangerous roads, seasonality and route safety data for fleets. Patterns use Greenville County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
5.7 deaths per 100 garbage-truck crashes vs 3.2 for all trucks.
Deadliest roads
How Greenville County compares with South Carolina
Greenville County against South Carolina and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Greenville County stands out
Full comparison
| Measure (2015–2025) | Greenville County | South Carolina | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 46.4 | 61.6 | 49.7 | 25% below the state |
| Deaths per 100 crashes | 3.2 | 3.9 | 3.4 | 18% below the state |
| Injuries per crash | 0.58 | 0.64 | 0.49 | 9% below the state |
| Garbage-truck share | 3.0% | 2.1% | 2.3% | 1.4× the state |
| On snow, slush or ice | 0.4% | 0.4% | 6.2% | same |
| Morning rush (6–10 am) | 23.2% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 12.0% | 11.4% | 13.8% | same |
| Winter months (Nov–Mar) | 39.7% | 40.5% | 41.9% | same |
| After dark | 19.2% | 21.5% | 24.8% | 11% below the state |
Greenville County sits below South Carolina on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. It runs above South Carolina on garbage-truck share.
The headline for Slater-Marietta: US-25 most fatal truck crashes within 10 miles of Slater-Marietta: 8 since 2015.
Overview
Greenville County has recorded 3,046 truck crashes since 2015, with 1,734 people injured and 95 killed.
That averages about 1 truck crash a day in fully reported years.
Only 0 truck crashes were reported in Slater-Marietta since 2015; patterns below come from Greenville County as a whole.
When crashes happen
Truck crashes peak in April (9.1% of the year) and are lowest in August (7.4%).
Winter months (Nov–Mar) carry 39.7% of truck crashes, vs 40.5% for South Carolina.
The busiest hour is 8–9 am, with 7.5% of truck crashes.
0.4% of truck crashes here happened on snow, slush or ice, against 0.4% across South Carolina.
Where crashes happen
Within this area, US-25 had the most fatal crashes involving a large truck since 2015 (8). It is followed by US-276 (3), SR-11 (2) and SR-186 (1).
Garbage & waste trucks
91 crashes involved a garbage or refuse truck, a 3.0% share (South Carolina: 2.1%).
Garbage-truck crashes peak in May (11% of them).
They recorded 5.7 deaths per 100 crashes, against 3.2 for all trucks.
Route planning tips for Slater-Marietta fleets
- Review driver schedules for April, the month with the most truck crashes.
- Check whether your routes use US-25, the road with the most fatal truck crashes in this area.
- Waste haulers: May is the peak month for garbage-truck crashes in Greenville County.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Greenville County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-25 | 8 |
| US-276 | 3 |
| SR-11 | 2 |
| SR-186 | 1 |
| SR-22 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Greenville County) |
|---|---|
| I-85 | 199 |
| White Horse Rd | 125 |
| Augusta Rd | 75 |
| Wade Hampton Blvd | 25 |
| Pelham Rd | 25 |
| US-25 | 23 |
| I-385 | 22 |
| Fairview Rd | 20 |
Slater-Marietta at a glance
| Land area | 4.3 sq mi |
| Median household income (ZIP 29683) | $44,299 |
Waste facilities and haulers nearby
Historical data: truck crashes in Greenville 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 | 246 | — | 5.2 |
| 2000s | 192 | -22% | 5.3 |
| 2010s | 249 | +30% | 6.0 |
| 2020s | 245 | -2% | 8.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 246 to 245. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 8.0 a year in 2016–19 and 8.0 a year in 2020–24.
Nearby places
Questions fleets ask about Slater-Marietta
How common are truck crashes in Slater-Marietta?
Greenville County has had 3,046 reported truck crashes since 2015, injuring 1,734 people and killing 95.
What is the most dangerous road for trucks in Slater-Marietta?
US-25 had 8 fatal crashes involving a large truck within 10 miles of Slater-Marietta since 2015, more than any other road.
Which month has the most truck crashes in Slater-Marietta?
The worst month is April: 9.1% of truck crashes in Greenville County happen then.
Are garbage truck crashes common in Slater-Marietta?
91 crashes involving garbage or refuse trucks have been reported in Greenville County since 2015, 3.0% of all truck crashes.
How does Slater-Marietta compare with South Carolina for truck crashes?
The yearly rate is 46.4 truck crashes per 100,000 residents in Greenville County, vs 61.6 for South Carolina.
What is the best way to plan truck routes in Slater-Marietta?
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.