Mayfield Colony, SD truck route planning & crash data
Plan safer truck routes in Mayfield Colony: commercial truck and garbage truck crashes in Mayfield Colony and Clark County, dangerous roads, seasonality and route safety data for fleets. Patterns use Clark County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 26 truck crashes since 2015.
Deadliest roads
No fatal large-truck crashes with a road name recorded here since 2015.
How Clark County compares with South Dakota
Clark County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Clark County stands out
Full comparison
| Measure (2015–2025) | Clark County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 52.6 | 42.0 | 49.7 | 1.3× the state |
| Deaths per 100 crashes | 26.1 | 5.2 | 3.4 | 5.0× the state |
| Injuries per crash | 0.26 | 0.13 | 0.49 | 2.0× the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 13.0% | 28.6% | 6.2% | 54% below the state |
| Morning rush (6–10 am) | 21.7% | 22.2% | 23.7% | same |
| In rain, sleet or snow | 8.7% | 17.5% | 13.8% | 50% below the state |
| Winter months (Nov–Mar) | 34.8% | 48.8% | 41.9% | 29% below the state |
| After dark | 17.4% | 22.8% | 24.8% | 24% below the state |
Clark County has lower values than South Dakota for garbage-truck share, on snow, slush or ice and in rain, sleet or snow. It runs above South Dakota on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Clark County: 26.1 deaths per 100 truck crashes, vs 5.2 in South Dakota.
Overview
Clark County has recorded 26 truck crashes since 2015, with 6 people injured and 7 killed.
That averages about one truck crash every 175 days in fully reported years.
Only 0 truck crashes were reported in Mayfield Colony since 2015; patterns below come from Clark County as a whole.
When crashes happen
The worst month is October with 26.9% of truck crashes; the quietest is June at 0.0%.
November through March accounts for 34.8% of truck crashes here, compared with 48.8% in South Dakota.
By time of day, 9–10 am stands out with 15.4% of truck crashes.
Road surface: 13.0% of truck crashes were on snow, slush or ice (South Dakota: 28.6%).
Where crashes happen
No fatal crash involving a large truck has a recorded location within 10 miles of Mayfield Colony since 2015.
Garbage & waste trucks
FMCSA lists no garbage-truck crashes in Clark County since 2015.
Route planning tips for Mayfield Colony fleets
- Review driver schedules for October, the month with the most truck crashes.
- Use the free Route Planner to score your route and spot low bridges before drivers head out.
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 Clark 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 (Clark County) |
|---|---|
| US-212 | 8 |
| Sd Hwy 20 | 4 |
| Sd Hwy 25 | 4 |
| Ave | 3 |
| Sd Hwy 28 | 3 |
| 424Th Ave | 1 |
Mayfield Colony at a glance
| Land area | 0.3 sq mi |
| Median household income (ZIP 57271) | $85,524 |
| Median home value (ZIP 57271) | $262,572 |
Historical data: truck crashes in Clark 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 | 1 | — | 0.3 |
| 2000s | 2 | +57% | 0.2 |
| 2010s | 3 | +23% | 0.1 |
| 2020s | 2 | -14% | 0.4 |
Reported truck crashes averaged 1 a year in the 1990s and 2 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 0.2 fatal large-truck crashes a year in 2016–19 and 0.4 a year in 2020–24.
Nearby places
Questions fleets ask about Mayfield Colony
How many truck accidents are there in Mayfield Colony?
26 truck crashes have been reported in Clark County since 2015, with 7 deaths and 6 injuries.
Which month has the most truck crashes in Mayfield Colony?
October has the most truck crashes in Clark County, 26.9% of the yearly total.
How many garbage truck accidents happen in Mayfield Colony?
Since 2015, Clark County has reported 0 garbage-truck crashes, or 0.0% of its truck crashes.
What is the truck crash rate in Mayfield Colony compared with South Dakota?
The yearly rate is 52.6 truck crashes per 100,000 residents in Clark County, vs 42.0 for South Dakota.
How can I plan a safer truck route in Mayfield Colony?
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.