Irwin, SC truck route planning & crash data
Plan safer truck routes in Irwin: commercial truck and garbage truck crashes in Irwin and Chester County, dangerous roads, seasonality and route safety data for fleets. Patterns use Chester County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3 of 530 truck crashes since 2015.
Deadliest roads
How Chester County compares with South Carolina
Chester County against South Carolina and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Chester County stands out
Full comparison
| Measure (2015–2025) | Chester County | South Carolina | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 140.6 | 61.6 | 49.7 | 2.3× the state |
| Deaths per 100 crashes | 6.4 | 3.9 | 3.4 | 1.6× the state |
| Injuries per crash | 0.61 | 0.64 | 0.49 | same |
| Garbage-truck share | 0.6% | 2.1% | 2.3% | 72% below the state |
| On snow, slush or ice | 0.8% | 0.4% | 6.2% | 1.8× the state |
| Morning rush (6–10 am) | 23.8% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 11.6% | 11.4% | 13.8% | same |
| Winter months (Nov–Mar) | 38.8% | 40.5% | 41.9% | same |
| After dark | 21.8% | 21.5% | 24.8% | same |
Chester 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 on snow, slush or ice.
Chester County at a glance: 0.8% of truck crashes happened on snow, slush or ice, vs 0.4% in South Carolina.
Overview
Since 2015, 530 crashes involving commercial trucks have been reported in Chester County. They injured 319 people and killed 33.
Across the years with complete reporting, that is roughly one truck crash every 8 days.
Irwin had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Chester County numbers.
When crashes happen
The worst month is May with 11.9% of truck crashes; the quietest is December at 5.7%.
Winter months (Nov–Mar) carry 38.8% of truck crashes, vs 40.5% for South Carolina.
By time of day, 9–10 am stands out with 8.1% of truck crashes.
0.8% of truck crashes here happened on snow, slush or ice, against 0.4% across South Carolina.
Where crashes happen
Within this area, US-21 had the most fatal crashes involving a large truck since 2015 (5). After it: SR-200 (3), US-521 (3) and SR-9 (2).
Garbage & waste trucks
Garbage trucks account for 3 of the truck crashes here, or 0.6%, compared with 2.1% in South Carolina.
Route planning tips for Irwin fleets
- Build extra time into May routes: it has the most truck crashes here.
- Where you can, review stops along US-21; it has the most fatal large-truck crashes nearby.
- With 0.8% of truck crashes on snow, slush or ice (above South Carolina), plan winter equipment checks early.
- 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 Chester County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-21 | 5 |
| SR-200 | 3 |
| US-521 | 3 |
| SR-9 | 2 |
| SR-02 | 1 |
| SR-5 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Chester County) |
|---|---|
| I-77 | 94 |
| Lancaster Hwy | 37 |
| Catawba River Rd | 14 |
| Pinckney Rd | 10 |
| Great Falls Hwy | 8 |
| Saluda Rd | 5 |
| Old Richburg Rd | 5 |
| J A Cochran Byp | 5 |
Irwin at a glance
| Land area | 3.0 sq mi |
| Median household income (ZIP 29714) | $70,475 |
| Median home value (ZIP 29714) | $188,809 |
Waste facilities and haulers nearby
Historical data: truck crashes in Chester 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 | 42 | — | 2.0 |
| 2000s | 37 | -12% | 1.7 |
| 2010s | 38 | +4% | 1.7 |
| 2020s | 45 | +18% | 2.0 |
Reported truck crashes averaged 42 a year in the 1990s and 45 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 3.0 fatal large-truck crashes a year in 2016–19 and 2.0 a year in 2020–24.
Nearby places
Questions fleets ask about Irwin
How many truck crashes happen in Irwin?
Chester County has had 530 reported truck crashes since 2015, injuring 319 people and killing 33.
Where do fatal truck crashes happen most in Irwin?
NHTSA data shows US-21 with 5 fatal large-truck crashes within 10 miles of Irwin since 2015, the highest of any road.
Which month has the most truck crashes in Irwin?
Truck crashes in Chester County peak in May, with 11.9% of the year's crashes.
Are garbage truck crashes common in Irwin?
3 crashes involving garbage or refuse trucks have been reported in Chester County since 2015, 0.6% of all truck crashes.
What is the truck crash rate in Irwin compared with South Carolina?
Chester County records 140.6 truck crashes per 100,000 residents a year, against 61.6 across South Carolina.
How can I plan a safer truck route in Irwin?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.