ZIP 37923 (Knoxville, TN) truck route planning & crash data
Plan safer truck routes around ZIP 37923: commercial truck and garbage truck crashes here and in Knox 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
3.3 deaths per 100 garbage-truck crashes vs 2.8 for all trucks.
Deadliest roads
How Knox County compares with Tennessee
Knox County against Tennessee and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Knox County stands out
Full comparison
| Measure (2015–2025) | Knox County | Tennessee | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 56.6 | 60.1 | 49.7 | same |
| Deaths per 100 crashes | 2.8 | 3.9 | 3.4 | 28% below the state |
| Injuries per crash | 0.43 | 0.48 | 0.49 | 10% below the state |
| Garbage-truck share | 1.9% | 1.9% | 2.3% | same |
| On snow, slush or ice | 1.3% | 2.3% | 6.2% | 43% below the state |
| Morning rush (6–10 am) | 21.7% | 21.8% | 23.7% | same |
| In rain, sleet or snow | 17.9% | 14.9% | 13.8% | 1.2× the state |
| Winter months (Nov–Mar) | 38.7% | 40.5% | 41.9% | same |
| After dark | 25.9% | 25.9% | 24.8% | same |
Knox County has lower values than Tennessee for deaths per 100 crashes, injuries per crash and on snow, slush or ice. Where it is higher: in rain, sleet or snow.
ZIP 37923 at a glance: I-40 most fatal truck crashes within 10 miles of ZIP 37923: 15 since 2015.
Overview
Knox County has recorded 3,331 truck crashes since 2015, with 1,450 people injured and 87 killed.
In complete reporting years that works out to about 1 truck crash a day.
When crashes happen
Truck crashes peak in October (9.9% of the year) and are lowest in February (6.9%).
November through March accounts for 38.7% of truck crashes here, compared with 40.5% in Tennessee.
More truck crashes happen at 3–4 pm than at any other hour (6.9%).
1.3% of truck crashes here happened on snow, slush or ice, against 2.3% across Tennessee.
Where crashes happen
The deadliest road for trucks within 10 miles of ZIP 37923 is I-40, with 15 fatal large-truck crashes since 2015. After it: US-129 (6), I-75 (4) and SR-169 (4).
Garbage & waste trucks
Garbage trucks account for 62 of the truck crashes here, or 1.9%, compared with 1.9% in Tennessee.
The most garbage-truck crashes happen in December (15%).
They recorded 3.3 deaths per 100 crashes, against 2.8 for all trucks.
Route planning tips for ZIP 37923 fleets
- Plan October schedules with more margin; it is the worst month for truck crashes in Knox County.
- Look at alternatives to I-40 at busy times: it leads this area in fatal truck crashes.
- Garbage-truck crashes here peak in December; review collection routes for that month.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Knox County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-40 | 15 |
| US-129 | 6 |
| I-75 | 4 |
| SR-169 | 4 |
| SR-131 | 3 |
| I-275 | 2 |
| SR-170 | 2 |
| US-11 | 2 |
| US-25W | 2 |
| CR-CANTON Hollow Rd | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Knox County) |
|---|---|
| I-40 | 1,136 |
| I-75 | 183 |
| I-640 | 114 |
| I-40 West | 94 |
| I-40 East | 73 |
| Lovell Rd | 48 |
| Asheville Hwy | 46 |
| Interstate 40 East | 40 |
ZIP 37923 at a glance
| Population | 30,131 |
| Density | 1,049 per sq mi |
| Median household income | $73,699 |
| Median home value | $333,456 |
| Home ownership | 60% |
Waste facilities and haulers nearby
Historical data: truck crashes in Knox 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 | 34 | — | 6.5 |
| 2000s | 162 | +381% | 5.6 |
| 2010s | 220 | +36% | 4.9 |
| 2020s | 311 | +42% | 8.0 |
Reported truck crashes averaged 34 a year in the 1990s and 311 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 6.0 fatal large-truck crashes a year in 2016–19 and 8.0 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 37923
How common are truck crashes in ZIP 37923?
3,331 truck crashes have been reported in Knox County since 2015, with 87 deaths and 1,450 injuries.
Where do fatal truck crashes happen most in ZIP 37923?
I-40 had 15 fatal crashes involving a large truck within 10 miles of ZIP 37923 since 2015, more than any other road.
When do most truck crashes happen in ZIP 37923?
The worst month is October: 9.9% of truck crashes in Knox County happen then.
How many garbage truck crashes are there in ZIP 37923?
Garbage trucks were involved in 62 reported crashes in Knox County since 2015 (1.9% of truck crashes).
How does ZIP 37923 compare with Tennessee for truck crashes?
The yearly rate is 56.6 truck crashes per 100,000 residents in Knox County, vs 60.1 for Tennessee.
How do I plan a garbage truck route in ZIP 37923?
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.