ZIP 37321 (Dayton, TN) truck route planning & crash data
Plan safer truck routes around ZIP 37321: commercial truck and garbage truck crashes here and in Rhea 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
4 of 166 truck crashes since 2015.
Deadliest roads
How Rhea County compares with Tennessee
Rhea County against Tennessee and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Rhea County stands out
Full comparison
| Measure (2015–2025) | Rhea County | Tennessee | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 39.8 | 60.1 | 49.7 | 34% below the state |
| Deaths per 100 crashes | 3.9 | 3.9 | 3.4 | same |
| Injuries per crash | 0.53 | 0.48 | 0.49 | 1.1× the state |
| Garbage-truck share | 2.0% | 1.9% | 2.3% | same |
| On snow, slush or ice | 0.0% | 2.3% | 6.2% | 100% below the state |
| Morning rush (6–10 am) | 21.7% | 21.8% | 23.7% | same |
| In rain, sleet or snow | 10.5% | 14.9% | 13.8% | 30% below the state |
| Winter months (Nov–Mar) | 39.5% | 40.5% | 41.9% | same |
| After dark | 15.1% | 25.9% | 24.8% | 42% below the state |
Rhea County has lower values than Tennessee for crashes per 100k residents / yr, on snow, slush or ice and in rain, sleet or snow. Where it is higher: injuries per crash.
Rhea County at a glance: 0.0% on snowy, slushy or icy roads, against 2.3% across Tennessee.
Overview
Rhea County has recorded 166 truck crashes since 2015, with 86 people injured and 6 killed.
In complete reporting years that works out to about one truck crash every 26 days.
When crashes happen
The worst month is July with 12.7% of truck crashes; the quietest is June at 5.4%.
Winter months (Nov–Mar) carry 39.5% of truck crashes, vs 40.5% for Tennessee.
More truck crashes happen at 1–2 pm than at any other hour (10.2%).
Road surface: 0.0% of truck crashes were on snow, slush or ice (Tennessee: 2.3%).
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 37321 since 2015 were spread across roads: SR-58 (2) and SR-30 (1).
Garbage & waste trucks
Garbage trucks account for 4 of the truck crashes here, or 2.4%, compared with 1.9% in Tennessee.
Route planning tips for ZIP 37321 fleets
- Build extra time into July routes: it has the most truck crashes here.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Rhea County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-58 | 2 |
| SR-30 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Rhea County) |
|---|---|
| Rhea County Hwy | 49 |
| Wassom Memorial Hwy | 20 |
| Old Washington Hwy | 13 |
| Dayton Mountain Hwy | 9 |
| Watts Bar Hwy | 7 |
| SR-68 | 7 |
| Old Dixie Hwy | 5 |
| Ogden Rd | 4 |
ZIP 37321 at a glance
| Population | 21,084 |
| Density | 71 per sq mi |
| Median household income | $54,684 |
| Median home value | $192,595 |
| Home ownership | 67% |
Waste facilities and haulers nearby
Historical data: truck crashes in Rhea 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 | 9 | — | 0.7 |
| 2000s | 11 | +18% | 0.9 |
| 2010s | 12 | +9% | 0.9 |
| 2020s | 13 | +7% | 0.4 |
From the 1990s to the 2020s, yearly reported truck crashes went from 9 to 13. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.5 a year in 2016–19, 0.4 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 37321
How many truck crashes happen in ZIP 37321?
166 truck crashes have been reported in Rhea County since 2015, with 6 deaths and 86 injuries.
Which month has the most truck crashes in ZIP 37321?
July has the most truck crashes in Rhea County, 12.7% of the yearly total.
How many garbage truck accidents happen in ZIP 37321?
Garbage trucks were involved in 4 reported crashes in Rhea County since 2015 (2.4% of truck crashes).
What is the truck crash rate in ZIP 37321 compared with Tennessee?
The yearly rate is 39.8 truck crashes per 100,000 residents in Rhea County, vs 60.1 for Tennessee.
How can I plan a safer truck route in ZIP 37321?
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.