Williamston, SC truck route planning & crash data
Plan safer truck routes in Williamston: commercial truck and garbage truck crashes in Williamston and Anderson County, dangerous roads, seasonality and route safety data for fleets. Patterns use Anderson County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
6.7 deaths per 100 garbage-truck crashes vs 3.4 for all trucks.
Deadliest roads
How Anderson County compares with South Carolina
Anderson County against South Carolina and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Anderson County stands out
Full comparison
| Measure (2015–2025) | Anderson County | South Carolina | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 64.4 | 61.6 | 49.7 | same |
| Deaths per 100 crashes | 3.4 | 3.9 | 3.4 | 13% below the state |
| Injuries per crash | 0.53 | 0.64 | 0.49 | 17% below the state |
| Garbage-truck share | 1.9% | 2.1% | 2.3% | 9% below the state |
| On snow, slush or ice | 0.5% | 0.4% | 6.2% | same |
| Morning rush (6–10 am) | 22.8% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 15.3% | 11.4% | 13.8% | 1.3× the state |
| Winter months (Nov–Mar) | 41.0% | 40.5% | 41.9% | same |
| After dark | 25.5% | 21.5% | 24.8% | 1.2× the state |
Compared with South Carolina, Anderson County is lower on deaths per 100 crashes, injuries per crash and garbage-truck share. It stands out for higher in rain, sleet or snow and after dark.
Williamston at a glance: I-85 most fatal truck crashes within 10 miles of Williamston: 7 since 2015.
Overview
Anderson County has recorded 1,652 truck crashes since 2015, with 866 people injured and 55 killed.
In complete reporting years that works out to about one truck crash every 3 days.
With 137 truck crashes reported in Williamston since 2015, this page uses Anderson County numbers for its patterns and comparisons.
When crashes happen
September has the most truck crashes, 9.9% of the yearly total, while November has the fewest (6.9%).
November through March accounts for 41.0% of truck crashes here, compared with 40.5% in South Carolina.
More truck crashes happen at 11 am–12 pm than at any other hour (6.9%).
Snow, slush or ice was on the road in 0.5% of truck crashes, compared with 0.4% in South Carolina.
Where crashes happen
The deadliest road for trucks within 10 miles of Williamston is I-85, with 7 fatal large-truck crashes since 2015. Next come US-25 (4), SR-20 (3) and SR-418 (3).
Garbage & waste trucks
Garbage trucks account for 31 of the truck crashes here, or 1.9%, compared with 2.1% in South Carolina.
Garbage-truck crashes peak in October (16% of them).
They recorded 6.7 deaths per 100 crashes, against 3.4 for all trucks.
Route planning tips for Williamston fleets
- Build extra time into September routes: it has the most truck crashes here.
- Where you can, review stops along I-85; it has the most fatal large-truck crashes nearby.
- Waste haulers: October is the peak month for garbage-truck crashes in Anderson County.
- 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 Anderson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-85 | 7 |
| US-25 | 4 |
| SR-20 | 3 |
| SR-418 | 3 |
| SR-247 | 2 |
| SR-8 | 2 |
| US-29 | 2 |
| SR-50 | 1 |
| SR-70 | 1 |
| SR-81 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Anderson County) |
|---|---|
| I-85 | 218 |
| SR-29 | 28 |
| US-29 | 22 |
| Pearman Dairy Rd | 22 |
| Clemson Blvd | 11 |
| Easley Hwy | 11 |
| Liberty Hwy | 10 |
| Masters Blvd | 10 |
Williamston at a glance
| Population | 4,285 |
| Land area | 3.8 sq mi |
| Density | 1,120 per sq mi |
| Median household income (ZIP 29697) | $68,764 |
| Median home value (ZIP 29697) | $190,727 |
Waste facilities and haulers nearby
Historical data: truck crashes in Anderson 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 | 133 | — | 4.1 |
| 2000s | 117 | -12% | 3.8 |
| 2010s | 122 | +4% | 3.8 |
| 2020s | 139 | +13% | 3.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 133 to 139. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 5.0 a year in 2016–19 and 3.2 a year in 2020–24.
Nearby places
Questions fleets ask about Williamston
How common are truck crashes in Williamston?
1,652 truck crashes have been reported in Anderson County since 2015, with 55 deaths and 866 injuries.
What is the most dangerous road for trucks in Williamston?
Since 2015, I-85 has had the most fatal large-truck crashes within 10 miles of Williamston: 7.
What is the worst month for truck crashes in Williamston?
The worst month is September: 9.9% of truck crashes in Anderson County happen then.
How many garbage truck crashes are there in Williamston?
Garbage trucks were involved in 31 reported crashes in Anderson County since 2015 (1.9% of truck crashes).
What is the truck crash rate in Williamston compared with South Carolina?
Anderson County records 64.4 truck crashes per 100,000 residents a year, against 61.6 across South Carolina.
How can I plan a safer truck route in Williamston?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.