Seabrook Island, SC truck route planning & crash data
Plan safer truck routes in Seabrook Island: commercial truck and garbage truck crashes in Seabrook Island and Charleston County, dangerous roads, seasonality and route safety data for fleets. Patterns use Charleston County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3.4 deaths per 100 garbage-truck crashes vs 2.3 for all trucks.
Deadliest roads
How Charleston County compares with South Carolina
Charleston County against South Carolina and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Charleston County stands out
Full comparison
| Measure (2015–2025) | Charleston County | South Carolina | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 53.5 | 61.6 | 49.7 | 13% below the state |
| Deaths per 100 crashes | 2.3 | 3.9 | 3.4 | 41% below the state |
| Injuries per crash | 0.72 | 0.64 | 0.49 | 1.1× the state |
| Garbage-truck share | 3.4% | 2.1% | 2.3% | 1.6× the state |
| On snow, slush or ice | 0.4% | 0.4% | 6.2% | 20% below the state |
| Morning rush (6–10 am) | 29.4% | 24.0% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 8.3% | 11.4% | 13.8% | 27% below the state |
| Winter months (Nov–Mar) | 40.0% | 40.5% | 41.9% | same |
| After dark | 12.9% | 21.5% | 24.8% | 40% below the state |
Compared with South Carolina, Charleston County is lower on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. It stands out for higher injuries per crash, garbage-truck share and morning rush (6–10 am).
The headline for Charleston County: 1 in 29 of truck crashes here involve garbage trucks: 3.4%, vs 2.1% in South Carolina.
Overview
Since 2015, 2,566 crashes involving commercial trucks have been reported in Charleston County. They injured 1,839 people and killed 58.
In complete reporting years that works out to about one truck crash every 2 days.
Seabrook Island had 3 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Charleston County numbers.
When crashes happen
The worst month is May with 9.7% of truck crashes; the quietest is November at 7.2%.
The five winter months (November to March) hold 40.0% of truck crashes, against 40.5% across South Carolina.
By time of day, 8–9 am stands out with 8.7% of truck crashes.
Road surface: 0.4% of truck crashes were on snow, slush or ice (South Carolina: 0.4%).
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Seabrook Island happened on SR-20 (1); no road leads clearly.
Garbage & waste trucks
Garbage trucks account for 87 of the truck crashes here, or 3.4%, compared with 2.1% in South Carolina.
Their busiest month is October, with 15% of garbage-truck crashes.
Deaths per 100 garbage-truck crashes: 3.4, vs 2.3 for all truck crashes.
Route planning tips for Seabrook Island fleets
- Review driver schedules for May, the month with the most truck crashes.
- Garbage-truck crashes here peak in October; review collection routes for that month.
- Morning starts matter: 29.4% of truck crashes fall between 6 and 10 am, higher than South Carolina.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Charleston County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-20 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Charleston County) |
|---|---|
| I-26 | 100 |
| Ashley Phosphate Rd | 67 |
| Long Point Rd | 44 |
| Main Rd | 28 |
| River Rd | 28 |
| Remount Rd | 28 |
| Ladson Rd | 26 |
| W Montague Ave | 21 |
Seabrook Island at a glance
| Population | 2,135 |
| Land area | 5.9 sq mi |
| Density | 360 per sq mi |
| Median household income (ZIP 29487) | $105,592 |
| Median home value (ZIP 29487) | $492,661 |
Waste facilities and haulers nearby
Historical data: truck crashes in Charleston 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 | 191 | — | 3.0 |
| 2000s | 154 | -19% | 3.9 |
| 2010s | 209 | +35% | 3.8 |
| 2020s | 216 | +3% | 4.6 |
Reported truck crashes averaged 191 a year in the 1990s and 216 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 5.0 a year in 2016–19 and 4.6 a year in 2020–24.
Nearby places
Questions fleets ask about Seabrook Island
How many truck crashes happen in Seabrook Island?
Charleston County has had 2,566 reported truck crashes since 2015, injuring 1,839 people and killing 58.
What is the worst month for truck crashes in Seabrook Island?
Truck crashes in Charleston County peak in May, with 9.7% of the year's crashes.
How many garbage truck accidents happen in Seabrook Island?
Since 2015, Charleston County has reported 87 garbage-truck crashes, or 3.4% of its truck crashes.
How does Seabrook Island compare with South Carolina for truck crashes?
The yearly rate is 53.5 truck crashes per 100,000 residents in Charleston County, vs 61.6 for South Carolina.
What is the best way to plan truck routes in Seabrook Island?
The free Route Planner takes your stops and returns a route risk score, safer alternatives and low-bridge warnings.
2026 is a partial year. Updated October 2026.