ZIP 29546 (Gresham, SC) truck route planning & crash data
Plan safer truck routes around ZIP 29546: commercial truck and garbage truck crashes here and in Marion 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 258 truck crashes since 2015.
Deadliest roads
How Marion County compares with South Carolina
Marion County against South Carolina and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Marion County stands out
Full comparison
| Measure (2015–2025) | Marion County | South Carolina | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 75.9 | 61.6 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 5.9 | 3.9 | 3.4 | 1.5× the state |
| Injuries per crash | 0.76 | 0.64 | 0.49 | 1.2× the state |
| Garbage-truck share | 1.7% | 2.1% | 2.3% | 21% below the state |
| On snow, slush or ice | 0.0% | 0.4% | 6.2% | 100% below the state |
| Morning rush (6–10 am) | 27.4% | 24.0% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 12.2% | 11.4% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 35.0% | 40.5% | 41.9% | 13% below the state |
| After dark | 21.1% | 21.5% | 24.8% | same |
Marion County sits below South Carolina on garbage-truck share, on snow, slush or ice and winter months (nov–mar). Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
Marion County at a glance: 0.0% of truck crashes happened on snow, slush or ice, vs 0.4% in South Carolina.
Overview
Since 2015, 258 crashes involving commercial trucks have been reported in Marion County. They injured 204 people and killed 14.
Across the years with complete reporting, that is roughly one truck crash every 17 days.
When crashes happen
April has the most truck crashes, 12.0% of the yearly total, while September has the fewest (5.0%).
November through March accounts for 35.0% of truck crashes here, compared with 40.5% in South Carolina.
The busiest hour is 8–9 am, with 8.9% of truck crashes.
0.0% of truck crashes here happened on snow, slush or ice, against 0.4% across South Carolina.
Where crashes happen
US-378 leads within 10 miles of ZIP 29546 with 3 fatal crashes involving a large truck since 2015. After it: SR-24 (1), SR-41 (1) and SR-78 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 4 crashes, 1.6% of the total, against 2.1% across South Carolina.
Route planning tips for ZIP 29546 fleets
- Review driver schedules for April, the month with the most truck crashes.
- Where you can, review stops along US-378; it has the most fatal large-truck crashes nearby.
- 27.4% of truck crashes happen between 6 and 10 am, above South Carolina; consider earlier or later starts where possible.
- 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 Marion County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-378 | 3 |
| SR-24 | 1 |
| SR-41 | 1 |
| SR-78 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Marion County) |
|---|---|
| S Highway 501 | 16 |
| W Hwy 76 | 14 |
| US-76 | 9 |
| US-501 | 7 |
| E Hwy 76 | 5 |
| N Highway 501 | 4 |
| N Hwy 501 | 4 |
| Sc41 | 4 |
ZIP 29546 at a glance
| Population | 2,683 |
| Density | 7 per sq mi |
| Median household income | $32,043 |
| Median home value | $103,373 |
| Home ownership | 70% |
Waste facilities and haulers nearby
Historical data: truck crashes in Marion 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 | 30 | — | 1.9 |
| 2000s | 24 | -20% | 2.1 |
| 2010s | 22 | -8% | 1.1 |
| 2020s | 19 | -14% | 1.2 |
Reported truck crashes averaged 30 a year in the 1990s and 19 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 1.0 a year in 2016–19, 1.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 29546
How common are truck crashes in ZIP 29546?
Since 2015, 258 crashes involving commercial trucks were reported in Marion County (204 injured, 14 killed).
What is the most dangerous road for trucks in ZIP 29546?
US-378 had 3 fatal crashes involving a large truck within 10 miles of ZIP 29546 since 2015, more than any other road.
Which month has the most truck crashes in ZIP 29546?
Truck crashes in Marion County peak in April, with 12.0% of the year's crashes.
How many garbage truck accidents happen in ZIP 29546?
Garbage trucks were involved in 4 reported crashes in Marion County since 2015 (1.6% of truck crashes).
How does ZIP 29546 compare with South Carolina for truck crashes?
Per 100,000 residents, Marion County has 75.9 truck crashes a year; South Carolina has 61.6.
How do I plan a garbage truck route in ZIP 29546?
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.