Signal, SD truck route planning & crash data
Plan safer truck routes in Signal: commercial truck and garbage truck crashes in Signal and Charles Mix County, dangerous roads, seasonality and route safety data for fleets. Patterns use Charles Mix County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 53 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Charles Mix County compares with South Dakota
Charles Mix County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Charles Mix County stands out
Full comparison
| Measure (2015–2025) | Charles Mix County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 46.7 | 42.0 | 49.7 | 1.1× the state |
| Deaths per 100 crashes | 6.2 | 5.2 | 3.4 | 1.2× the state |
| Injuries per crash | 0.12 | 0.13 | 0.49 | 8% below the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 8.3% | 28.6% | 6.2% | 71% below the state |
| Morning rush (6–10 am) | 14.6% | 22.2% | 23.7% | 34% below the state |
| In rain, sleet or snow | 8.3% | 17.5% | 13.8% | 53% below the state |
| Winter months (Nov–Mar) | 39.6% | 48.8% | 41.9% | 19% below the state |
| After dark | 14.6% | 22.8% | 24.8% | 36% below the state |
Charles Mix County sits below South Dakota on injuries per crash, garbage-truck share and on snow, slush or ice. It runs above South Dakota on crashes per 100k residents / yr and deaths per 100 crashes.
What stands out in Charles Mix County: 0 of truck crashes here involve garbage trucks: 0.0%, vs 1.6% in South Dakota.
Overview
Charles Mix County has recorded 53 truck crashes since 2015, with 7 people injured and 5 killed.
Across the years with complete reporting, that is roughly one truck crash every 84 days.
Signal had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Charles Mix County numbers.
When crashes happen
The worst month is July with 11.3% of truck crashes; the quietest is March at 5.7%.
Winter months (Nov–Mar) carry 39.6% of truck crashes, vs 48.8% for South Dakota.
By time of day, 3–4 pm stands out with 17.0% of truck crashes.
8.3% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
NHTSA lists no located fatal large-truck crashes within 10 miles of Signal since 2015.
Garbage & waste trucks
No crashes involving garbage or refuse trucks have been reported in Charles Mix County since 2015.
Route planning tips for Signal fleets
- Build extra time into July routes: it has the most truck crashes here.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Charles Mix County
By hour of day
Most dangerous roads for trucks
No fatal crashes involving a large truck with a road name were recorded within 10 miles since 2015.
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Charles Mix County) |
|---|---|
| Sd Hwy 46 | 13 |
| US-18 | 11 |
| Sd Hwy 50 | 9 |
| Ave | 6 |
| Sd Hwy 44 | 6 |
| Sd Hwy 45 | 2 |
| Front Ave | 1 |
| US-281 | 1 |
Signal at a glance
| Population | 59 |
| Land area | 47.6 sq mi |
| Density | 1 per sq mi |
| Median household income (ZIP 57317) | $50,833 |
| Median home value (ZIP 57317) | $92,307 |
Waste facilities and haulers nearby
Historical data: truck crashes in Charles Mix 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 | 3 | — | 0.2 |
| 2000s | 4 | +42% | 0.3 |
| 2010s | 3 | -13% | 0.1 |
| 2020s | 5 | +42% | 0.8 |
Reported truck crashes averaged 3 a year in the 1990s and 5 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.0 fatal large-truck crashes a year in 2016–19 and 0.8 a year in 2020–24.
Nearby places
Questions fleets ask about Signal
How common are truck crashes in Signal?
53 truck crashes have been reported in Charles Mix County since 2015, with 5 deaths and 7 injuries.
When do most truck crashes happen in Signal?
Truck crashes in Charles Mix County peak in July, with 11.3% of the year's crashes.
How many garbage truck accidents happen in Signal?
0 crashes involving garbage or refuse trucks have been reported in Charles Mix County since 2015, 0.0% of all truck crashes.
How do truck crashes in Signal compare with South Dakota?
Charles Mix County records 46.7 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
How can I plan a safer truck route in Signal?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.