ZIP 37688 (Shady Valley, TN) truck route planning & crash data
Plan safer truck routes around ZIP 37688: commercial truck and garbage truck crashes here and in Johnson 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 79 truck crashes since 2015.
Deadliest roads
How Johnson County compares with Tennessee
Johnson County against Tennessee and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Johnson County stands out
Full comparison
| Measure (2015–2025) | Johnson County | Tennessee | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 35.9 | 60.1 | 49.7 | 40% below the state |
| Deaths per 100 crashes | 6.8 | 3.9 | 3.4 | 1.7× the state |
| Injuries per crash | 0.58 | 0.48 | 0.49 | 1.2× the state |
| Garbage-truck share | 2.7% | 1.9% | 2.3% | 1.4× the state |
| On snow, slush or ice | 2.7% | 2.3% | 6.2% | 1.2× the state |
| Morning rush (6–10 am) | 26.0% | 21.8% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 15.1% | 14.9% | 13.8% | same |
| Winter months (Nov–Mar) | 50.7% | 40.5% | 41.9% | 1.3× the state |
| After dark | 17.8% | 25.9% | 24.8% | 31% below the state |
Johnson County sits below Tennessee on crashes per 100k residents / yr and after dark. It stands out for higher deaths per 100 crashes, injuries per crash and garbage-truck share.
Johnson County at a glance: January the month with the most truck crashes: 16.5% of the year's total.
Overview
Since 2015, 79 crashes involving commercial trucks have been reported in Johnson County. They injured 46 people and killed 5.
Across the years with complete reporting, that is roughly one truck crash every 55 days.
When crashes happen
Truck crashes peak in January (16.5% of the year) and are lowest in May (2.5%).
Winter months (Nov–Mar) carry 50.7% of truck crashes, vs 40.5% for Tennessee.
More truck crashes happen at 9–10 am than at any other hour (10.1%).
Road surface: 2.7% of truck crashes were on snow, slush or ice (Tennessee: 2.3%).
Where crashes happen
Fatal large-truck crashes within 10 miles of ZIP 37688 since 2015 were spread across roads: CR-0670 (1), CR-PLEASANT Valley Rd (1), SR-75 (1), SR-91 (1) and US-58 (1).
Garbage & waste trucks
2 crashes involved a garbage or refuse truck, a 2.5% share (Tennessee: 1.9%).
Route planning tips for ZIP 37688 fleets
- Review driver schedules for January, the month with the most truck crashes.
- 26.0% of truck crashes happen between 6 and 10 am, above Tennessee; consider earlier or later starts where possible.
- Icy and snowy roads show up in 2.7% of truck crashes here, more than Tennessee; schedule winter checks early.
- 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 Johnson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-0670 | 1 |
| CR-PLEASANT Valley Rd | 1 |
| SR-75 | 1 |
| SR-91 | 1 |
| US-58 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Johnson County) |
|---|---|
| SR-91N | 10 |
| SR-67W | 10 |
| SR-421S | 9 |
| US-421 | 8 |
| Roan Creek Rd | 5 |
| SR-421N | 5 |
| Tn-91 | 5 |
| Tn-67 | 4 |
ZIP 37688 at a glance
| Population | 1,138 |
| Density | 8 per sq mi |
| Median household income | $53,333 |
| Median home value | $160,421 |
| Home ownership | 86% |
Waste facilities and haulers nearby
Historical data: truck crashes in Johnson 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 | 2 | — | 0.3 |
| 2000s | 5 | +112% | 0.5 |
| 2010s | 6 | +9% | 0.4 |
| 2020s | 6 | +6% | 0.2 |
Reported truck crashes averaged 2 a year in the 1990s and 6 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 0.8 a year in 2016–19 and 0.2 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 37688
How common are truck crashes in ZIP 37688?
Johnson County has had 79 reported truck crashes since 2015, injuring 46 people and killing 5.
When do most truck crashes happen in ZIP 37688?
January has the most truck crashes in Johnson County, 16.5% of the yearly total.
How many garbage truck crashes are there in ZIP 37688?
2 crashes involving garbage or refuse trucks have been reported in Johnson County since 2015, 2.5% of all truck crashes.
What is the truck crash rate in ZIP 37688 compared with Tennessee?
The yearly rate is 35.9 truck crashes per 100,000 residents in Johnson County, vs 60.1 for Tennessee.
How do I plan a garbage truck route in ZIP 37688?
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.