Derma, MS truck route planning & crash data
Plan safer truck routes in Derma: commercial truck and garbage truck crashes in Derma and Calhoun County, dangerous roads, seasonality and route safety data for fleets. Patterns use Calhoun County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 98 truck crashes since 2015.
Deadliest roads
How Calhoun County compares with Mississippi
Calhoun County against Mississippi and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Calhoun County stands out
Full comparison
| Measure (2015–2025) | Calhoun County | Mississippi | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 66.3 | 65.0 | 49.7 | same |
| Deaths per 100 crashes | 1.1 | 5.1 | 3.4 | 78% below the state |
| Injuries per crash | 0.55 | 0.54 | 0.49 | same |
| Garbage-truck share | 1.1% | 1.6% | 2.3% | 33% below the state |
| On snow, slush or ice | 2.1% | 1.7% | 6.2% | 1.3× the state |
| Morning rush (6–10 am) | 28.0% | 23.7% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 5.4% | 12.5% | 13.8% | 57% below the state |
| Winter months (Nov–Mar) | 35.5% | 40.8% | 41.9% | 13% below the state |
| After dark | 15.0% | 24.0% | 24.8% | 37% below the state |
Compared with Mississippi, Calhoun County is lower on deaths per 100 crashes, garbage-truck share and in rain, sleet or snow. Where it is higher: on snow, slush or ice and morning rush (6–10 am).
Calhoun County at a glance: 1.1 deaths for every 100 truck crashes, against 5.1 across Mississippi.
Overview
Police reported 98 crashes involving commercial trucks in Calhoun County since 2015: 55 people were injured and 1 were killed.
In complete reporting years that works out to about one truck crash every 43 days.
Only 1 truck crash was reported in Derma since 2015; patterns below come from Calhoun County as a whole.
33% of truck crash reports in Calhoun County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in July (12.2% of the year) and are lowest in June (4.1%).
The five winter months (November to March) hold 35.5% of truck crashes, against 40.8% across Mississippi.
More truck crashes happen at 3–4 pm than at any other hour (14.3%).
Road surface: 2.1% of truck crashes were on snow, slush or ice (Mississippi: 1.7%).
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Derma happened on SR-8 (1); no road leads clearly.
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 1.0% share (Mississippi: 1.6%).
Route planning tips for Derma fleets
- Build extra time into July routes: it has the most truck crashes here.
- 28.0% of truck crashes happen between 6 and 10 am, above Mississippi; consider earlier or later starts where possible.
- With 2.1% of truck crashes on snow, slush or ice (above Mississippi), plan winter equipment checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Crash counts come from the FMCSA crash file (police-reported crashes involving trucks over 10,000 lb); fatal-crash locations come from NHTSA FARS. Text on this page states only what these numbers show.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Calhoun County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| SR-8 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Calhoun County) |
|---|---|
| Calhoun Street | 1 |
| County Rd 300 | 1 |
| County Road 275 | 1 |
| County Road 306 | 1 |
| County Road 423 | 1 |
| County Road 435 | 1 |
| Cr 423 | 1 |
| E Sweet Potato St | 1 |
Derma at a glance
| Population | 921 |
| Land area | 1.8 sq mi |
| Density | 520 per sq mi |
| Median household income (ZIP 38839) | $40,536 |
Historical data: truck crashes in Calhoun 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 | — | 0.5 |
| 2000s | 6 | +300% | 0.4 |
| 2010s | 7 | +2% | 0.2 |
| 2020s | 9 | +36% | 0.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 2 to 9. Some of the change may reflect how crashes were reported. NHTSA counts 0.0 fatal large-truck crashes a year in 2016–19 and 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Derma
How many truck accidents are there in Derma?
98 truck crashes have been reported in Calhoun County since 2015, with 1 deaths and 55 injuries.
Which month has the most truck crashes in Derma?
The worst month is July: 12.2% of truck crashes in Calhoun County happen then.
How many garbage truck crashes are there in Derma?
1 crash involving garbage or refuse trucks have been reported in Calhoun County since 2015, 1.0% of all truck crashes.
How do truck crashes in Derma compare with Mississippi?
The yearly rate is 66.3 truck crashes per 100,000 residents in Calhoun County, vs 65.0 for Mississippi.
What is the best way to plan truck routes in Derma?
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.