Unity, SC truck route planning & crash data
Plan safer truck routes in Unity: commercial truck and garbage truck crashes in Unity and Lancaster County, dangerous roads, seasonality and route safety data for fleets. Patterns use Lancaster County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0.0 deaths per 100 garbage-truck crashes vs 5.8 for all trucks.
Deadliest roads
How Lancaster County compares with South Carolina
Lancaster County against South Carolina and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Lancaster County stands out
Full comparison
| Measure (2015–2025) | Lancaster County | South Carolina | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 39.2 | 61.6 | 49.7 | 36% below the state |
| Deaths per 100 crashes | 5.8 | 3.9 | 3.4 | 1.5× the state |
| Injuries per crash | 0.57 | 0.64 | 0.49 | 11% below the state |
| Garbage-truck share | 4.4% | 2.1% | 2.3% | 2.0× the state |
| On snow, slush or ice | 0.4% | 0.4% | 6.2% | same |
| Morning rush (6–10 am) | 29.7% | 24.0% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 8.5% | 11.4% | 13.8% | 25% below the state |
| Winter months (Nov–Mar) | 40.7% | 40.5% | 41.9% | same |
| After dark | 15.8% | 21.5% | 24.8% | 27% below the state |
Lancaster County sits below South Carolina on crashes per 100k residents / yr, injuries per crash and in rain, sleet or snow. Where it is higher: deaths per 100 crashes, garbage-truck share and morning rush (6–10 am).
What stands out in Lancaster County: 1 in 23 crashes involve a garbage truck (22 since 2015), vs 2.1% across South Carolina.
Overview
Police reported 517 crashes involving commercial trucks in Lancaster County since 2015: 299 people were injured and 28 were killed.
Across the years with complete reporting, that is roughly one truck crash every 8 days.
Only 0 truck crashes were reported in Unity since 2015; patterns below come from Lancaster County as a whole.
When crashes happen
The worst month is October with 13.3% of truck crashes; the quietest is July at 5.8%.
Winter months (Nov–Mar) carry 40.7% of truck crashes, vs 40.5% for South Carolina.
More truck crashes happen at 9–10 am than at any other hour (9.5%).
Snow, slush or ice was on the road in 0.4% of truck crashes, compared with 0.4% in South Carolina.
Where crashes happen
Within this area, SR-522 had the most fatal crashes involving a large truck since 2015 (4). Next come SR-9 (3), SR-200 (2) and SR-02 (1).
Garbage & waste trucks
22 crashes involved a garbage or refuse truck, a 4.3% share (South Carolina: 2.1%).
Garbage-truck crashes peak in March (14% of them).
They recorded 0.0 deaths per 100 crashes, against 5.8 for all trucks.
Route planning tips for Unity fleets
- Build extra time into October routes: it has the most truck crashes here.
- Where you can, review stops along SR-522; it has the most fatal large-truck crashes nearby.
- Garbage-truck crashes here peak in March; review collection routes for that month.
- 29.7% 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 Lancaster County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-522 | 4 |
| SR-9 | 3 |
| SR-200 | 2 |
| SR-02 | 1 |
| SR-5 | 1 |
| Ssr-1137 S Potter Rd | 1 |
| Ssr-2146 Plyler Mill Rd | 1 |
| US-521 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Lancaster County) |
|---|---|
| Charlotte Hwy | 42 |
| Flat Creek Rd | 30 |
| Pageland Hwy | 28 |
| Shiloh Unity Rd | 16 |
| Rock Hill Hwy | 14 |
| Great Falls Hwy | 12 |
| Kershaw Camden Hwy | 12 |
| Monroe Hwy | 12 |
Unity at a glance
| Land area | 2.1 sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Lancaster 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 | 45 | — | 2.2 |
| 2000s | 37 | -18% | 0.9 |
| 2010s | 36 | -0% | 1.5 |
| 2020s | 48 | +30% | 2.0 |
From the 1990s to the 2020s, yearly reported truck crashes went from 45 to 48. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 1.8 a year in 2016–19, 2.0 a year in 2020–24.
Nearby places
Questions fleets ask about Unity
How many truck crashes happen in Unity?
517 truck crashes have been reported in Lancaster County since 2015, with 28 deaths and 299 injuries.
What is the most dangerous road for trucks in Unity?
NHTSA data shows SR-522 with 4 fatal large-truck crashes within 10 miles of Unity since 2015, the highest of any road.
Which month has the most truck crashes in Unity?
Truck crashes in Lancaster County peak in October, with 13.3% of the year's crashes.
Are garbage truck crashes common in Unity?
Garbage trucks were involved in 22 reported crashes in Lancaster County since 2015 (4.3% of truck crashes).
How does Unity compare with South Carolina for truck crashes?
The yearly rate is 39.2 truck crashes per 100,000 residents in Lancaster County, vs 61.6 for South Carolina.
How can I plan a safer truck route in Unity?
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.