ZIP 29518 (Cades, SC) truck route planning & crash data
Plan safer truck routes around ZIP 29518: commercial truck and garbage truck crashes here and in Williamsburg 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
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 has lower values than South Carolina for 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).
What stands out in 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.
In complete reporting years that works out to about one truck crash every 12 days.
When crashes happen
March has the most truck crashes, 12.5% of the yearly total, while February has the fewest (6.0%).
Winter months (Nov–Mar) carry 45.1% of truck crashes, vs 40.5% for South Carolina.
The busiest hour is 11 am–12 pm, with 11.0% of truck crashes.
Road surface: 0.3% of truck crashes were on snow, slush or ice (South Carolina: 0.4%).
Where crashes happen
US-52 leads within 10 miles of ZIP 29518 with 4 fatal crashes involving a large truck since 2015. After it: US-378 (3), SR-261 (1) 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 ZIP 29518 fleets
- Build extra time into March routes: it has the most truck crashes here.
- Where you can, review stops along US-52; it has the most fatal large-truck crashes nearby.
- 27.1% of truck crashes happen between 6 and 10 am, above South Carolina; 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.
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 (within 10 miles) |
|---|---|
| US-52 | 4 |
| US-378 | 3 |
| SR-261 | 1 |
| SR-28 | 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 |
ZIP 29518 at a glance
| Population | 1,121 |
| Density | 9 per sq mi |
| Median household income | $61,923 |
| Home ownership | 77% |
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 |
Reported truck crashes averaged 24 a year in the 1990s and 27 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 2.2 a year in 2016–19, 1.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 29518
How common are truck crashes in ZIP 29518?
319 truck crashes have been reported in Williamsburg County since 2015, with 17 deaths and 214 injuries.
What is the most dangerous road for trucks in ZIP 29518?
Since 2015, US-52 has had the most fatal large-truck crashes within 10 miles of ZIP 29518: 4.
When do most truck crashes happen in ZIP 29518?
Truck crashes in Williamsburg County peak in March, with 12.5% of the year's crashes.
How many garbage truck accidents happen in ZIP 29518?
Garbage trucks were involved in 3 reported crashes in Williamsburg County since 2015 (0.9% of truck crashes).
How does ZIP 29518 compare with South Carolina for truck crashes?
The yearly rate is 98.8 truck crashes per 100,000 residents in Williamsburg County, vs 61.6 for South Carolina.
What is the best way to plan truck routes in ZIP 29518?
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.