Williamsburg County, SC truck route planning & crash data
Plan safer truck routes in Williamsburg County: 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
3 of 319 truck crashes since 2015.
Deadliest roads
How Williamsburg County compares with South Carolina
Williamsburg County against South Carolina and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Williamsburg County stands out
Full comparison
| Measure (2015–2025) | Williamsburg County | South Carolina | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 98.8 | 61.6 | 49.7 | 1.6× the state |
| Deaths per 100 crashes | 5.1 | 3.9 | 3.4 | 1.3× the state |
| Injuries per crash | 0.67 | 0.64 | 0.49 | same |
| Garbage-truck share | 1.0% | 2.1% | 2.3% | 53% below the state |
| On snow, slush or ice | 0.3% | 0.4% | 6.2% | 23% below the state |
| Morning rush (6–10 am) | 27.1% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 8.8% | 11.4% | 13.8% | 23% below the state |
| Winter months (Nov–Mar) | 45.1% | 40.5% | 41.9% | 1.1× the state |
| After dark | 16.3% | 21.5% | 24.8% | 24% below the state |
Williamsburg County sits below South Carolina on garbage-truck share, on snow, slush or ice and in rain, sleet or snow. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and morning rush (6–10 am).
The headline for Williamsburg County: 1 in 98 of truck crashes here involve garbage trucks: 1.0%, vs 2.1% in South Carolina.
Overview
Williamsburg County has recorded 319 truck crashes since 2015, with 214 people injured and 17 killed.
That averages about one truck crash every 12 days in fully reported years.
When crashes happen
The worst month is March with 12.5% of truck crashes; the quietest is February at 6.0%.
November through March accounts for 45.1% 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 (11.0%).
Road surface: 0.3% of truck crashes were on snow, slush or ice (South Carolina: 0.4%).
Where crashes happen
The deadliest road for trucks in Williamsburg County is SR-41, with 6 fatal large-truck crashes since 2015. After it: US-52 (3), SR-261 (2) and SR-28 (1).
Garbage & waste trucks
3 crashes involved a garbage or refuse truck, a 0.9% share (South Carolina: 2.1%).
Route planning tips for Williamsburg County fleets
- Review driver schedules for March, the month with the most truck crashes.
- Check whether your routes use SR-41, the road with the most fatal truck crashes in this area.
- The morning rush (6–10 am) holds 27.1% of truck crashes here, more than South Carolina; adjust start times where you can.
- 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.
Crash reporting for 2020 is incomplete; those years are shown in grey and not used for rates.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Williamsburg County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (in Williamsburg County) |
|---|---|
| SR-41 | 6 |
| US-52 | 3 |
| SR-261 | 2 |
| SR-28 | 1 |
| SR-39 | 1 |
| SR-527 | 1 |
| Ssr-159 Dewey Cox Rd | 1 |
| US-521 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Williamsburg County) |
|---|---|
| County Line Rd | 26 |
| Williamsburg County Hwy | 15 |
| Seaboard Rd | 14 |
| Hemingway Hwy | 9 |
| Santee Rd | 9 |
| US-521 | 8 |
| Easler Hwy | 7 |
| Sumter Hwy | 7 |
Williamsburg County at a glance
| Population | 29,865 |
| Land area | 934.2 sq mi |
| Density | 32 per sq mi |
| Median household income (ZIP average) | $46,767 |
Waste facilities and haulers nearby
Historical data: truck crashes in Williamsburg 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 | 24 | — | 1.0 |
| 2000s | 21 | -11% | 1.3 |
| 2010s | 26 | +25% | 1.8 |
| 2020s | 27 | +4% | 1.4 |
In the 1990s about 24 truck crashes a year were reported; in the 2020s, about 27. Reporting coverage also changed between these periods. Fatal large-truck crashes: 2.2 a year in 2016–19, 1.4 a year in 2020–24.
Cities, towns & communities in Williamsburg County
ZIP codes in Williamsburg County
Nearby counties
Questions fleets ask about Williamsburg County
How common are truck crashes in Williamsburg County?
Williamsburg County has had 319 reported truck crashes since 2015, injuring 214 people and killing 17.
Where do fatal truck crashes happen most in Williamsburg County?
Since 2015, SR-41 has had the most fatal large-truck crashes in Williamsburg County: 6.
What is the worst month for truck crashes in Williamsburg County?
March has the most truck crashes in Williamsburg County, 12.5% of the yearly total.
Are garbage truck crashes common in Williamsburg County?
Garbage trucks were involved in 3 reported crashes in Williamsburg County since 2015 (0.9% of truck crashes).
How do truck crashes in Williamsburg County compare with South Carolina?
Per 100,000 residents, Williamsburg County has 98.8 truck crashes a year; South Carolina has 61.6.
What is the best way to plan truck routes in Williamsburg County?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
Crash reporting to FMCSA was incomplete in 2020; those years are greyed out and left out of rates. 2026 is a partial year. Updated October 2026.