Duncan, SC truck route planning & crash data
Plan safer truck routes in Duncan: commercial truck and garbage truck crashes, 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
10 of 386 truck crashes since 2015.
Deadliest roads
How Duncan compares with South Carolina
Duncan against South Carolina and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Duncan stands out
Full comparison
| Measure (2015–2025) | Duncan | South Carolina | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 726.2 | 61.6 | 49.7 | 11.8× the state |
| Deaths per 100 crashes | 1.1 | 3.9 | 3.4 | 72% below the state |
| Injuries per crash | 0.50 | 0.64 | 0.49 | 22% below the state |
| Garbage-truck share | 2.7% | 2.1% | 2.3% | 1.3× the state |
| On snow, slush or ice | 1.6% | 0.4% | 6.2% | 3.7× the state |
| Morning rush (6–10 am) | 27.0% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 12.8% | 11.4% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 40.6% | 40.5% | 41.9% | same |
| After dark | 24.0% | 21.5% | 24.8% | 1.1× the state |
Duncan has lower values than South Carolina for deaths per 100 crashes and injuries per crash. Where it is higher: crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice.
Duncan at a glance: 1.6% share of truck crashes on snow, slush or ice (South Carolina: 0.4%).
Overview
Duncan has recorded 386 truck crashes since 2015, with 186 people injured and 4 killed.
Across the years with complete reporting, that is roughly one truck crash every 11 days.
When crashes happen
Truck crashes peak in May (11.1% of the year) and are lowest in December (6.7%).
The five winter months (November to March) hold 40.6% of truck crashes, against 40.5% across South Carolina.
The busiest hour is 3–4 pm, with 10.1% of truck crashes.
1.6% of truck crashes here happened on snow, slush or ice, against 0.4% across South Carolina.
Where crashes happen
Within this area, I-85 had the most fatal crashes involving a large truck since 2015 (13). After it: I-26 (8), SR-14 (3) and US-176 (3).
Garbage & waste trucks
Garbage and refuse trucks were involved in 10 crashes, 2.6% of the total, against 2.1% across South Carolina.
Route planning tips for Duncan fleets
- Plan May schedules with more margin; it is the worst month for truck crashes in Duncan.
- Check whether your routes use I-85, the road with the most fatal truck crashes in this area.
- The morning rush (6–10 am) holds 27.0% of truck crashes here, more than South Carolina; adjust start times where you can.
- With 1.6% 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
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Duncan
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-85 | 13 |
| I-26 | 8 |
| SR-14 | 3 |
| US-176 | 3 |
| US-29 | 3 |
| SR-101 | 2 |
| SR-290 | 2 |
| SR-292 | 2 |
| CR-GATEWAY Drive | 1 |
| SR-23 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Duncan) |
|---|---|
| I-85 | 101 |
| E Main St | 11 |
| Howell Rd | 5 |
| Berry Shoals Rd | 5 |
| SR-101 | 5 |
| Rogers Bridge Rd | 5 |
| Reidville Rd | 4 |
| Spartangreen Blvd | 4 |
Duncan at a glance
| Population | 4,594 |
| Land area | 6.6 sq mi |
| Density | 694 per sq mi |
| Median household income (ZIP 29334) | $81,413 |
| Median home value (ZIP 29334) | $296,377 |
Waste facilities and haulers nearby
Historical data: truck crashes in Duncan 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 | — | — | 6.0 |
| 2000s | — | — | 3.8 |
| 2010s | 23 | — | 4.9 |
| 2020s | 37 | +62% | 7.2 |
From the 2010s to the 2020s, yearly reported truck crashes went from 23 to 37. Some of the change may reflect how crashes were reported. NHTSA counts 5.5 fatal large-truck crashes a year in 2016–19 and 7.2 a year in 2020–24.
Nearby places
Questions fleets ask about Duncan
How many truck accidents are there in Duncan?
386 truck crashes have been reported in Duncan since 2015, with 4 deaths and 186 injuries.
Where do fatal truck crashes happen most in Duncan?
Since 2015, I-85 has had the most fatal large-truck crashes within 10 miles of Duncan: 13.
When do most truck crashes happen in Duncan?
Truck crashes in Duncan peak in May, with 11.1% of the year's crashes.
How many garbage truck crashes are there in Duncan?
Garbage trucks were involved in 10 reported crashes in Duncan since 2015 (2.6% of truck crashes).
How does Duncan compare with South Carolina for truck crashes?
Per 100,000 residents, Duncan has 726.2 truck crashes a year; South Carolina has 61.6.
What is the best way to plan truck routes in Duncan?
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.