ZIP 37308 (Birchwood, TN) truck route planning & crash data
Plan safer truck routes around ZIP 37308: commercial truck and garbage truck crashes here and in Hamilton 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
1.1 deaths per 100 garbage-truck crashes vs 2.6 for all trucks.
Deadliest roads
How Hamilton County compares with Tennessee
Hamilton County against Tennessee and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Hamilton County stands out
Full comparison
| Measure (2015–2025) | Hamilton County | Tennessee | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 69.5 | 60.1 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 2.6 | 3.9 | 3.4 | 33% below the state |
| Injuries per crash | 0.43 | 0.48 | 0.49 | 10% below the state |
| Garbage-truck share | 3.1% | 1.9% | 2.3% | 1.6× the state |
| On snow, slush or ice | 0.6% | 2.3% | 6.2% | 75% below the state |
| Morning rush (6–10 am) | 22.2% | 21.8% | 23.7% | same |
| In rain, sleet or snow | 18.4% | 14.9% | 13.8% | 1.2× the state |
| Winter months (Nov–Mar) | 38.7% | 40.5% | 41.9% | same |
| After dark | 23.1% | 25.9% | 24.8% | 11% below the state |
Hamilton County has lower values than Tennessee for deaths per 100 crashes, injuries per crash and on snow, slush or ice. It runs above Tennessee on crashes per 100k residents / yr, garbage-truck share and in rain, sleet or snow.
The headline for Hamilton County: 1 in 32 crashes involve a garbage truck (94 since 2015), vs 1.9% across Tennessee.
Overview
Hamilton County has recorded 3,122 truck crashes since 2015, with 1,345 people injured and 80 killed.
That averages about 1 truck crash a day in fully reported years.
When crashes happen
June has the most truck crashes, 9.5% of the yearly total, while January has the fewest (6.3%).
Winter months (Nov–Mar) carry 38.7% of truck crashes, vs 40.5% for Tennessee.
By time of day, 8–9 am stands out with 7.5% of truck crashes.
0.6% of truck crashes here happened on snow, slush or ice, against 2.3% across Tennessee.
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 37308 since 2015 were spread across roads: SR-306 (2), SR-58 (2), CR-ARMSTRONG Rd (1), SR-111 (1) and SR-312 (1).
Garbage & waste trucks
94 crashes involved a garbage or refuse truck, a 3.0% share (Tennessee: 1.9%).
The most garbage-truck crashes happen in June (13%).
They recorded 1.1 deaths per 100 crashes, against 2.6 for all trucks.
Route planning tips for ZIP 37308 fleets
- Plan June schedules with more margin; it is the worst month for truck crashes in Hamilton County.
- For residential and commercial waste routes, look again at June schedules: garbage-truck crashes peak then.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Hamilton County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-306 | 2 |
| SR-58 | 2 |
| CR-ARMSTRONG Rd | 1 |
| SR-111 | 1 |
| SR-312 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Hamilton County) |
|---|---|
| I-24 | 625 |
| I-75 | 554 |
| SR-153 | 72 |
| Amnicola Hwy | 59 |
| Bonny Oaks Dr | 45 |
| SR-58 | 39 |
| SR-27 | 35 |
| Lee Hwy | 35 |
ZIP 37308 at a glance
| Population | 3,188 |
| Density | 33 per sq mi |
| Median household income | $80,394 |
| Median home value | $260,178 |
| Home ownership | 88% |
Waste facilities and haulers nearby
Historical data: truck crashes in Hamilton 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 | 37 | — | 4.0 |
| 2000s | 131 | +253% | 4.5 |
| 2010s | 213 | +63% | 2.8 |
| 2020s | 282 | +32% | 6.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 37 to 282. Some of the change may reflect how crashes were reported. NHTSA counts 3.5 fatal large-truck crashes a year in 2016–19 and 6.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 37308
How many truck accidents are there in ZIP 37308?
Since 2015, 3,122 crashes involving commercial trucks were reported in Hamilton County (1,345 injured, 80 killed).
What is the worst month for truck crashes in ZIP 37308?
Truck crashes in Hamilton County peak in June, with 9.5% of the year's crashes.
How many garbage truck accidents happen in ZIP 37308?
94 crashes involving garbage or refuse trucks have been reported in Hamilton County since 2015, 3.0% of all truck crashes.
What is the truck crash rate in ZIP 37308 compared with Tennessee?
The yearly rate is 69.5 truck crashes per 100,000 residents in Hamilton County, vs 60.1 for Tennessee.
What is the best way to plan truck routes in ZIP 37308?
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.