ZIP 38321 (Cedar Grove, TN) truck route planning & crash data
Plan safer truck routes around ZIP 38321: commercial truck and garbage truck crashes here and in Carroll 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
2 of 173 truck crashes since 2015.
Deadliest roads
How Carroll County compares with Tennessee
Carroll County against Tennessee and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Carroll County stands out
Full comparison
| Measure (2015–2025) | Carroll County | Tennessee | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 49.3 | 60.1 | 49.7 | 18% below the state |
| Deaths per 100 crashes | 13.3 | 3.9 | 3.4 | 3.4× the state |
| Injuries per crash | 0.56 | 0.48 | 0.49 | 1.2× the state |
| Garbage-truck share | 0.6% | 1.9% | 2.3% | 68% below the state |
| On snow, slush or ice | 0.6% | 2.3% | 6.2% | 73% below the state |
| Morning rush (6–10 am) | 22.8% | 21.8% | 23.7% | same |
| In rain, sleet or snow | 10.1% | 14.9% | 13.8% | 32% below the state |
| Winter months (Nov–Mar) | 34.8% | 40.5% | 41.9% | 14% below the state |
| After dark | 19.6% | 25.9% | 24.8% | 24% below the state |
Carroll County sits below Tennessee on crashes per 100k residents / yr, garbage-truck share and on snow, slush or ice. Where it is higher: deaths per 100 crashes and injuries per crash.
What stands out in Carroll County: 13.3 deaths for every 100 truck crashes, against 3.9 across Tennessee.
Overview
Since 2015, 173 crashes involving commercial trucks have been reported in Carroll County. They injured 113 people and killed 23.
Across the years with complete reporting, that is roughly one truck crash every 25 days.
When crashes happen
October has the most truck crashes, 11.6% of the yearly total, while November has the fewest (4.6%).
Winter months (Nov–Mar) carry 34.8% of truck crashes, vs 40.5% for Tennessee.
More truck crashes happen at 8–9 am than at any other hour (8.7%).
0.6% of truck crashes here happened on snow, slush or ice, against 2.3% across Tennessee.
Where crashes happen
Within this area, I-40 had the most fatal crashes involving a large truck since 2015 (8). After it: US-412 (2), CR-CLARKSBURG-WESTPORT Rd (1) and SR-22 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 2 crashes, 1.2% of the total, against 1.9% across Tennessee.
Route planning tips for ZIP 38321 fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Carroll County.
- Look at alternatives to I-40 at busy times: it leads this area in fatal truck crashes.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Carroll County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-40 | 8 |
| US-412 | 2 |
| CR-CLARKSBURG-WESTPORT Rd | 1 |
| SR-22 | 1 |
| US-70 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Carroll County) |
|---|---|
| SR-22 | 20 |
| US-70 | 18 |
| SR-70 | 17 |
| I-40 | 13 |
| Broad St | 8 |
| SR-77 | 7 |
| SR-79 | 7 |
| Tn-22 | 7 |
ZIP 38321 at a glance
| Population | 2,397 |
| Density | 10 per sq mi |
| Median household income | $56,474 |
| Median home value | $155,325 |
| Home ownership | 83% |
Waste facilities and haulers nearby
Historical data: truck crashes in Carroll 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 | 8 | — | 1.0 |
| 2000s | 10 | +21% | 1.1 |
| 2010s | 12 | +20% | 0.9 |
| 2020s | 15 | +23% | 1.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 8 to 15. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.5 a year in 2016–19, 1.6 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 38321
How many truck accidents are there in ZIP 38321?
Carroll County has had 173 reported truck crashes since 2015, injuring 113 people and killing 23.
Where do fatal truck crashes happen most in ZIP 38321?
I-40 had 8 fatal crashes involving a large truck within 10 miles of ZIP 38321 since 2015, more than any other road.
Which month has the most truck crashes in ZIP 38321?
October has the most truck crashes in Carroll County, 11.6% of the yearly total.
How many garbage truck crashes are there in ZIP 38321?
2 crashes involving garbage or refuse trucks have been reported in Carroll County since 2015, 1.2% of all truck crashes.
What is the truck crash rate in ZIP 38321 compared with Tennessee?
Per 100,000 residents, Carroll County has 49.3 truck crashes a year; Tennessee has 60.1.
How can I plan a safer truck route in ZIP 38321?
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.