ZIP 37031 (Castalian Springs, TN) truck route planning & crash data
Plan safer truck routes around ZIP 37031: commercial truck and garbage truck crashes here and in Sumner 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
18 of 864 truck crashes since 2015.
Deadliest roads
How Sumner County compares with Tennessee
Sumner County against Tennessee and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Sumner County stands out
Full comparison
| Measure (2015–2025) | Sumner County | Tennessee | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 34.0 | 60.1 | 49.7 | 43% below the state |
| Deaths per 100 crashes | 2.1 | 3.9 | 3.4 | 46% below the state |
| Injuries per crash | 0.47 | 0.48 | 0.49 | same |
| Garbage-truck share | 2.1% | 1.9% | 2.3% | 1.1× the state |
| On snow, slush or ice | 2.1% | 2.3% | 6.2% | 8% below the state |
| Morning rush (6–10 am) | 26.1% | 21.8% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 13.0% | 14.9% | 13.8% | 13% below the state |
| Winter months (Nov–Mar) | 41.2% | 40.5% | 41.9% | same |
| After dark | 19.8% | 25.9% | 24.8% | 24% below the state |
Compared with Tennessee, Sumner County is lower on crashes per 100k residents / yr, deaths per 100 crashes and on snow, slush or ice. Where it is higher: garbage-truck share and morning rush (6–10 am).
ZIP 37031 at a glance: US-231 deadliest road: 4 fatal truck crashes within 10 miles of ZIP 37031 since 2015.
Overview
Since 2015, 864 crashes involving commercial trucks have been reported in Sumner County. They injured 427 people and killed 17.
Across the years with complete reporting, that is roughly one truck crash every 5 days.
When crashes happen
Truck crashes peak in November (9.6% of the year) and are lowest in December (6.5%).
Winter months (Nov–Mar) carry 41.2% of truck crashes, vs 40.5% for Tennessee.
By time of day, 7–8 am stands out with 7.9% of truck crashes.
2.1% 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 37031 is US-231, with 4 fatal large-truck crashes since 2015. Next come SR-109 (2), US-31E (2) and CR-N Dickerson Chapel Rd (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 18 crashes, 2.1% of the total, against 1.9% across Tennessee.
Route planning tips for ZIP 37031 fleets
- Plan November schedules with more margin; it is the worst month for truck crashes in Sumner County.
- Look at alternatives to US-231 at busy times: it leads this area in fatal truck crashes.
- The morning rush (6–10 am) holds 26.1% of truck crashes here, more than Tennessee; adjust start times where you can.
- 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 Sumner County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| US-231 | 4 |
| SR-109 | 2 |
| US-31E | 2 |
| CR-N Dickerson Chapel Rd | 1 |
| Mu-N Belvedere Dr | 1 |
| SR-10 | 1 |
| SR-25 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Sumner County) |
|---|---|
| I-65 | 236 |
| SR-109N | 33 |
| SR-386 | 27 |
| SR-109 | 23 |
| SR-31E | 22 |
| Nashville Pike | 21 |
| Tn-109 | 20 |
| SR-25 | 20 |
ZIP 37031 at a glance
| Population | 3,926 |
| Density | 40 per sq mi |
| Median household income | $98,114 |
| Median home value | $355,700 |
| Home ownership | 94% |
Waste facilities and haulers nearby
Historical data: truck crashes in Sumner 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 | 12 | — | 2.2 |
| 2000s | 45 | +262% | 2.7 |
| 2010s | 57 | +27% | 1.1 |
| 2020s | 82 | +42% | 1.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 12 to 82. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 0.8 a year in 2016–19 and 1.8 a year in 2020–24.
Nearby ZIP codes
Questions fleets ask about ZIP 37031
How many truck accidents are there in ZIP 37031?
Since 2015, 864 crashes involving commercial trucks were reported in Sumner County (427 injured, 17 killed).
What is the most dangerous road for trucks in ZIP 37031?
NHTSA data shows US-231 with 4 fatal large-truck crashes within 10 miles of ZIP 37031 since 2015, the highest of any road.
What is the worst month for truck crashes in ZIP 37031?
The worst month is November: 9.6% of truck crashes in Sumner County happen then.
Are garbage truck crashes common in ZIP 37031?
Garbage trucks were involved in 18 reported crashes in Sumner County since 2015 (2.1% of truck crashes).
How do truck crashes in ZIP 37031 compare with Tennessee?
Sumner County records 34.0 truck crashes per 100,000 residents a year, against 60.1 across Tennessee.
How do I plan a garbage truck route in ZIP 37031?
Use the free Route Planner: enter your stops to get a risk score, safer alternatives and the low bridges on your route.
2026 is a partial year. Updated October 2026.