ZIP 29474 (Round O, SC) truck route planning & crash data
Plan safer truck routes around ZIP 29474: 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 sits below South Carolina on 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% of truck crashes happened on snow, slush or ice, vs 0.4% in South Carolina.
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%).
November through March accounts for 42.7% of truck crashes here, compared with 40.5% in South Carolina.
The busiest hour is 9–10 am, with 6.7% of truck crashes.
Road surface: 0.9% of truck crashes were on snow, slush or ice (South Carolina: 0.4%).
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 29474 is US-17, with 4 fatal large-truck crashes since 2015. Next come SR-64 (2), I-95 (1) and US-15 (1).
Garbage & waste trucks
4 crashes involved a garbage or refuse truck, a 0.5% share (South Carolina: 2.1%).
Route planning tips for ZIP 29474 fleets
- Build extra time into September routes: it has the most truck crashes here.
- Where you can, review stops along US-17; it has the most fatal large-truck crashes nearby.
- Icy and snowy roads show up in 0.9% of truck crashes here, more than South Carolina; schedule winter checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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) |
|---|---|
| US-17 | 4 |
| SR-64 | 2 |
| I-95 | 1 |
| US-15 | 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 29474 at a glance
| Population | 1,420 |
| Density | 5 per sq mi |
| Median household income | $40,781 |
| Median home value | $165,921 |
| Home ownership | 77% |
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 |
Reported truck crashes averaged 50 a year in the 1990s and 80 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. 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 29474
How common are truck crashes in ZIP 29474?
Since 2015, 823 crashes involving commercial trucks were reported in Colleton County (591 injured, 51 killed).
Which road has the most fatal truck crashes in ZIP 29474?
NHTSA data shows US-17 with 4 fatal large-truck crashes within 10 miles of ZIP 29474 since 2015, the highest of any road.
When do most truck crashes happen in ZIP 29474?
September has the most truck crashes in Colleton County, 11.1% of the yearly total.
How many garbage truck crashes are there in ZIP 29474?
Since 2015, Colleton County has reported 4 garbage-truck crashes, or 0.5% of its truck crashes.
How do truck crashes in ZIP 29474 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.
How can I plan a safer truck route in ZIP 29474?
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.