Thornhill, KY truck route planning & crash data
Plan safer truck routes in Thornhill: commercial truck and garbage truck crashes in Thornhill and Jefferson County, dangerous roads, seasonality and route safety data for fleets. Patterns use Jefferson County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
4.4 deaths per 100 garbage-truck crashes vs 2.4 for all trucks.
Deadliest roads
How Jefferson County compares with Kentucky
Jefferson County against Kentucky and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Jefferson County stands out
Full comparison
| Measure (2015–2025) | Jefferson County | Kentucky | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 54.8 | 68.4 | 49.7 | 20% below the state |
| Deaths per 100 crashes | 2.4 | 3.5 | 3.4 | 31% below the state |
| Injuries per crash | 0.56 | 0.46 | 0.49 | 1.2× the state |
| Garbage-truck share | 2.8% | 2.6% | 2.3% | same |
| On snow, slush or ice | 2.2% | 5.0% | 6.2% | 56% below the state |
| Morning rush (6–10 am) | 25.0% | 22.9% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 15.3% | 17.5% | 13.8% | 13% below the state |
| Winter months (Nov–Mar) | 40.4% | 41.0% | 41.9% | same |
| After dark | 22.8% | 24.4% | 24.8% | same |
Jefferson County has lower values than Kentucky for crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. Where it is higher: injuries per crash and morning rush (6–10 am).
The headline for Thornhill: I-65 most fatal truck crashes within 10 miles of Thornhill: 18 since 2015.
Overview
Since 2015, 5,148 crashes involving commercial trucks have been reported in Jefferson County. They injured 2,856 people and killed 126.
In complete reporting years that works out to about 1 truck crash a day.
Only 0 truck crashes were reported in Thornhill since 2015; patterns below come from Jefferson County as a whole.
When crashes happen
August has the most truck crashes, 9.7% of the yearly total, while December has the fewest (7.2%).
Winter months (Nov–Mar) carry 40.4% of truck crashes, vs 41.0% for Kentucky.
The busiest hour is 8–9 am, with 7.5% of truck crashes.
2.2% of truck crashes here happened on snow, slush or ice, against 5.0% across Kentucky.
Where crashes happen
Within this area, I-65 had the most fatal crashes involving a large truck since 2015 (18). It is followed by I-64 (13), I-264 (9) and I-71 (7).
Garbage & waste trucks
Garbage trucks account for 146 of the truck crashes here, or 2.8%, compared with 2.6% in Kentucky.
The most garbage-truck crashes happen in June (12%).
Deaths per 100 garbage-truck crashes: 4.4, vs 2.4 for all truck crashes.
Route planning tips for Thornhill fleets
- Plan August schedules with more margin; it is the worst month for truck crashes in Jefferson County.
- Look at alternatives to I-65 at busy times: it leads this area in fatal truck crashes.
- Garbage-truck crashes here peak in June; review collection routes for that month.
- 25.0% of truck crashes happen between 6 and 10 am, above Kentucky; consider earlier or later starts where possible.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Jefferson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-65 | 18 |
| I-64 | 13 |
| I-264 | 9 |
| I-71 | 7 |
| I-265 | 6 |
| SR-1747 | 3 |
| US-31E | 3 |
| SR-3084 | 2 |
| US-150 | 2 |
| Bishop Lane | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Jefferson County) |
|---|---|
| I-0065 | 991 |
| I-0264 | 555 |
| I-0064 | 506 |
| I-0265 | 358 |
| I-0071 | 327 |
| US-0031W | 166 |
| Ky1934 | 150 |
| Ky1747 | 129 |
Thornhill at a glance
| Population | 187 |
| Land area | 0.0 sq mi |
| Density | 4,156 per sq mi |
| Median household income (ZIP 40025) | $250,001 |
| Median home value (ZIP 40025) | $1,357,713 |
Waste facilities and haulers nearby
Historical data: truck crashes in Jefferson 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 | 233 | — | 6.7 |
| 2000s | 296 | +27% | 6.3 |
| 2010s | 427 | +44% | 7.3 |
| 2020s | 406 | -5% | 10.4 |
Reported truck crashes averaged 233 a year in the 1990s and 406 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 10.5 a year in 2016–19, 10.4 a year in 2020–24.
Nearby places
Questions fleets ask about Thornhill
How many truck accidents are there in Thornhill?
5,148 truck crashes have been reported in Jefferson County since 2015, with 126 deaths and 2,856 injuries.
Where do fatal truck crashes happen most in Thornhill?
I-65 had 18 fatal crashes involving a large truck within 10 miles of Thornhill since 2015, more than any other road.
When do most truck crashes happen in Thornhill?
August has the most truck crashes in Jefferson County, 9.7% of the yearly total.
How many garbage truck accidents happen in Thornhill?
Garbage trucks were involved in 146 reported crashes in Jefferson County since 2015 (2.8% of truck crashes).
What is the truck crash rate in Thornhill compared with Kentucky?
Per 100,000 residents, Jefferson County has 54.8 truck crashes a year; Kentucky has 68.4.
How can I plan a safer truck route in Thornhill?
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.