ZIP 29493 (Williams, SC) truck route planning & crash data
Plan safer truck routes around ZIP 29493: commercial truck and garbage truck crashes here and in Colleton 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
4 of 823 truck crashes since 2015.
Deadliest roads
How Colleton County compares with South Carolina
Colleton County against South Carolina and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Colleton County stands out
Full comparison
| Measure (2015–2025) | Colleton County | South Carolina | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 182.7 | 61.6 | 49.7 | 3.0× the state |
| Deaths per 100 crashes | 6.5 | 3.9 | 3.4 | 1.7× the state |
| Injuries per crash | 0.73 | 0.64 | 0.49 | 1.1× the state |
| Garbage-truck share | 0.5% | 2.1% | 2.3% | 76% below the state |
| On snow, slush or ice | 0.9% | 0.4% | 6.2% | 2.0× the state |
| Morning rush (6–10 am) | 23.1% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 17.2% | 11.4% | 13.8% | 1.5× the state |
| Winter months (Nov–Mar) | 42.7% | 40.5% | 41.9% | same |
| After dark | 32.2% | 21.5% | 24.8% | 1.5× the state |
Colleton County has lower values than South Carolina for garbage-truck share. Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
The headline for Colleton County: 0.9% share of truck crashes on snow, slush or ice (South Carolina: 0.4%).
Overview
Police reported 823 crashes involving commercial trucks in Colleton County since 2015: 591 people were injured and 51 were killed.
That averages about one truck crash every 5 days in fully reported years.
When crashes happen
September has the most truck crashes, 11.1% of the yearly total, while June has the fewest (5.8%).
The five winter months (November to March) hold 42.7% of truck crashes, against 40.5% across South Carolina.
More truck crashes happen at 9–10 am than at any other hour (6.7%).
Snow, slush or ice was on the road in 0.9% of truck crashes, compared with 0.4% in South Carolina.
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of ZIP 29493 happened on SR-24 (1) and US-21 (1); no road leads clearly.
Garbage & waste trucks
4 crashes involved a garbage or refuse truck, a 0.5% share (South Carolina: 2.1%).
Route planning tips for ZIP 29493 fleets
- Plan September schedules with more margin; it is the worst month for truck crashes in Colleton County.
- Icy and snowy roads show up in 0.9% of truck crashes here, more than South Carolina; schedule winter checks early.
- 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 Colleton County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-24 | 1 |
| US-21 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Colleton County) |
|---|---|
| I-95 | 173 |
| Augusta Hwy | 15 |
| Ace Basin Pkwy | 12 |
| Cottageville Hwy | 11 |
| Jefferies Hwy | 11 |
| Bells Hwy | 10 |
| Charleston Hwy | 10 |
| Lowcountry Hwy | 10 |
ZIP 29493 at a glance
| Population | 156 |
| Density | 24 per sq mi |
| Home ownership | 93% |
Waste facilities and haulers nearby
Historical data: truck crashes in Colleton 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 | 50 | — | 3.0 |
| 2000s | 51 | +1% | 2.0 |
| 2010s | 56 | +11% | 2.2 |
| 2020s | 80 | +42% | 2.0 |
In the 1990s about 50 truck crashes a year were reported; in the 2020s, about 80. Reporting coverage also changed between these periods. Fatal crashes involving a large truck averaged 3.0 a year in 2016–19 and 2.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 29493
How common are truck crashes in ZIP 29493?
Colleton County has had 823 reported truck crashes since 2015, injuring 591 people and killing 51.
Which month has the most truck crashes in ZIP 29493?
Truck crashes in Colleton County peak in September, with 11.1% of the year's crashes.
How many garbage truck crashes are there in ZIP 29493?
Since 2015, Colleton County has reported 4 garbage-truck crashes, or 0.5% of its truck crashes.
How do truck crashes in ZIP 29493 compare with South Carolina?
The yearly rate is 182.7 truck crashes per 100,000 residents in Colleton County, vs 61.6 for South Carolina.
What is the best way to plan truck routes in ZIP 29493?
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.