ZIP 37023 (Big Rock, TN) truck route planning & crash data
Plan safer truck routes around ZIP 37023: commercial truck and garbage truck crashes here and in Stewart 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 68 truck crashes since 2015.
Deadliest roads
How Stewart County compares with Tennessee
Stewart County against Tennessee and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Stewart County stands out
Full comparison
| Measure (2015–2025) | Stewart County | Tennessee | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 38.0 | 60.1 | 49.7 | 37% below the state |
| Deaths per 100 crashes | 11.7 | 3.9 | 3.4 | 3.0× the state |
| Injuries per crash | 0.58 | 0.48 | 0.49 | 1.2× the state |
| Garbage-truck share | 1.7% | 1.9% | 2.3% | 14% below the state |
| On snow, slush or ice | 0.0% | 2.3% | 6.2% | 100% below the state |
| Morning rush (6–10 am) | 23.3% | 21.8% | 23.7% | same |
| In rain, sleet or snow | 6.7% | 14.9% | 13.8% | 55% below the state |
| Winter months (Nov–Mar) | 46.7% | 40.5% | 41.9% | 1.2× the state |
| After dark | 23.3% | 25.9% | 24.8% | 10% below the state |
Compared with Tennessee, Stewart County is lower on crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice. It runs above Tennessee on deaths per 100 crashes, injuries per crash and winter months (nov–mar).
Stewart County at a glance: 11.7 deaths per 100 truck crashes, vs 3.9 in Tennessee.
Overview
Police reported 68 crashes involving commercial trucks in Stewart County since 2015: 38 people were injured and 7 were killed.
Across the years with complete reporting, that is roughly one truck crash every 67 days.
When crashes happen
February has the most truck crashes, 13.2% of the yearly total, while July has the fewest (4.4%).
November through March accounts for 46.7% of truck crashes here, compared with 40.5% in Tennessee.
By time of day, 11 am–12 pm stands out with 13.2% of truck crashes.
Road surface: 0.0% of truck crashes were on snow, slush or ice (Tennessee: 2.3%).
Where crashes happen
Within this area, US-79 had the most fatal crashes involving a large truck since 2015 (4). After it: SR-120 (1).
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 1.5%, compared with 1.9% in Tennessee.
Route planning tips for ZIP 37023 fleets
- Review driver schedules for February, the month with the most truck crashes.
- Where you can, review stops along US-79; it has the most fatal large-truck crashes nearby.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Stewart County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-79 | 4 |
| SR-120 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Stewart County) |
|---|---|
| SR-79 | 15 |
| Donelson Pkwy | 15 |
| SR-149E | 6 |
| US-79 | 6 |
| SR-49 | 4 |
| Tn-149 | 4 |
| Bumpus Mills Rd | 2 |
| SR-120 | 2 |
ZIP 37023 at a glance
| Population | 1,677 |
| Density | 37 per sq mi |
| Median household income | $75,391 |
| Median home value | $214,299 |
| Home ownership | 80% |
Waste facilities and haulers nearby
Historical data: truck crashes in Stewart 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 | 1 | — | 0.2 |
| 2000s | 5 | +253% | 0.3 |
| 2010s | 5 | -2% | 0.3 |
| 2020s | 7 | +49% | 0.6 |
In the 1990s about 1 truck crash a year were reported; in the 2020s, about 7. Reporting coverage also changed between these periods. NHTSA counts 0.8 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 37023
How many truck crashes happen in ZIP 37023?
Stewart County has had 68 reported truck crashes since 2015, injuring 38 people and killing 7.
Which road has the most fatal truck crashes in ZIP 37023?
Since 2015, US-79 has had the most fatal large-truck crashes within 10 miles of ZIP 37023: 4.
When do most truck crashes happen in ZIP 37023?
The worst month is February: 13.2% of truck crashes in Stewart County happen then.
Are garbage truck crashes common in ZIP 37023?
Since 2015, Stewart County has reported 1 garbage-truck crash, or 1.5% of its truck crashes.
How do truck crashes in ZIP 37023 compare with Tennessee?
Stewart County records 38.0 truck crashes per 100,000 residents a year, against 60.1 across Tennessee.
What is the best way to plan truck routes in ZIP 37023?
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.