ZIP 37881 (Thorn Hill, TN) truck route planning & crash data
Plan safer truck routes around ZIP 37881: commercial truck and garbage truck crashes here and in Grainger 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
1 of 111 truck crashes since 2015.
Deadliest roads
How Grainger County compares with Tennessee
Grainger County against Tennessee and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Grainger County stands out
Full comparison
| Measure (2015–2025) | Grainger County | Tennessee | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 35.5 | 60.1 | 49.7 | 41% below the state |
| Deaths per 100 crashes | 7.1 | 3.9 | 3.4 | 1.8× the state |
| Injuries per crash | 0.51 | 0.48 | 0.49 | same |
| Garbage-truck share | 1.0% | 1.9% | 2.3% | 47% below the state |
| On snow, slush or ice | 0.0% | 2.3% | 6.2% | 100% below the state |
| Morning rush (6–10 am) | 30.6% | 21.8% | 23.7% | 1.4× the state |
| In rain, sleet or snow | 20.4% | 14.9% | 13.8% | 1.4× the state |
| Winter months (Nov–Mar) | 35.7% | 40.5% | 41.9% | 12% below the state |
| After dark | 27.6% | 25.9% | 24.8% | same |
Compared with Tennessee, Grainger County is lower on crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice. It stands out for higher deaths per 100 crashes, morning rush (6–10 am) and in rain, sleet or snow.
Grainger County at a glance: 0.0% on snowy, slushy or icy roads, against 2.3% across Tennessee.
Overview
Grainger County has recorded 111 truck crashes since 2015, with 52 people injured and 7 killed.
In complete reporting years that works out to about one truck crash every 41 days.
When crashes happen
September has the most truck crashes, 14.4% of the yearly total, while January has the fewest (4.5%).
Winter months (Nov–Mar) carry 35.7% of truck crashes, vs 40.5% for Tennessee.
The busiest hour is 6–7 am, with 9.0% of truck crashes.
0.0% of truck crashes here happened on snow, slush or ice, against 2.3% across Tennessee.
Where crashes happen
US-25E leads within 10 miles of ZIP 37881 with 3 fatal crashes involving a large truck since 2015. After it: US-11W (2), CR-MCCOY Rd (1) and SR-131 (1).
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 0.9% share (Tennessee: 1.9%).
Route planning tips for ZIP 37881 fleets
- Review driver schedules for September, the month with the most truck crashes.
- Check whether your routes use US-25E, the road with the most fatal truck crashes in this area.
- Morning starts matter: 30.6% of truck crashes fall between 6 and 10 am, higher than Tennessee.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Grainger County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-25E | 3 |
| US-11W | 2 |
| CR-MCCOY Rd | 1 |
| SR-131 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Grainger County) |
|---|---|
| SR-25E | 27 |
| US-25E | 15 |
| Rutledge Pike | 13 |
| SR-131 | 6 |
| Highway 11W South | 5 |
| Lakeshore Dr | 5 |
| Tn-131 | 5 |
| US-11W | 5 |
ZIP 37881 at a glance
| Population | 1,677 |
| Density | 9 per sq mi |
| Median household income | $37,443 |
| Median home value | $144,503 |
| Home ownership | 80% |
Waste facilities and haulers nearby
Historical data: truck crashes in Grainger 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 | 7 | — | 0.8 |
| 2000s | 7 | +0% | 0.8 |
| 2010s | 7 | +0% | 0.5 |
| 2020s | 12 | +64% | 0.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 7 to 12. Some of the change may reflect how crashes were reported. NHTSA counts 0.5 fatal large-truck crashes a year in 2016–19 and 0.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 37881
How many truck crashes happen in ZIP 37881?
111 truck crashes have been reported in Grainger County since 2015, with 7 deaths and 52 injuries.
What is the most dangerous road for trucks in ZIP 37881?
Since 2015, US-25E has had the most fatal large-truck crashes within 10 miles of ZIP 37881: 3.
What is the worst month for truck crashes in ZIP 37881?
Truck crashes in Grainger County peak in September, with 14.4% of the year's crashes.
How many garbage truck crashes are there in ZIP 37881?
Since 2015, Grainger County has reported 1 garbage-truck crash, or 0.9% of its truck crashes.
How do truck crashes in ZIP 37881 compare with Tennessee?
The yearly rate is 35.5 truck crashes per 100,000 residents in Grainger County, vs 60.1 for Tennessee.
How do I plan a garbage truck route in ZIP 37881?
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.