Split Rock, SD truck route planning & crash data
Plan safer truck routes in Split Rock: commercial truck and garbage truck crashes in Split Rock and Minnehaha County, dangerous roads, seasonality and route safety data for fleets. Patterns use Minnehaha County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
16 of 509 truck crashes since 2015.
Deadliest roads
How Minnehaha County compares with South Dakota
Minnehaha County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Minnehaha County stands out
Full comparison
| Measure (2015–2025) | Minnehaha County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 20.6 | 42.0 | 49.7 | 51% below the state |
| Deaths per 100 crashes | 3.4 | 5.2 | 3.4 | 35% below the state |
| Injuries per crash | 0.12 | 0.13 | 0.49 | 8% below the state |
| Garbage-truck share | 3.4% | 1.6% | 2.3% | 2.1× the state |
| On snow, slush or ice | 26.7% | 28.6% | 6.2% | same |
| Morning rush (6–10 am) | 26.9% | 22.2% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 17.6% | 17.5% | 13.8% | same |
| Winter months (Nov–Mar) | 45.1% | 48.8% | 41.9% | 8% below the state |
| After dark | 19.9% | 22.8% | 24.8% | 13% below the state |
Minnehaha County sits below South Dakota on crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. It runs above South Dakota on garbage-truck share and morning rush (6–10 am).
The headline for Minnehaha County: 1 in 29 crashes involve a garbage truck (16 since 2015), vs 1.6% across South Dakota.
Overview
Minnehaha County has recorded 509 truck crashes since 2015, with 59 people injured and 18 killed.
In complete reporting years that works out to about one truck crash every 9 days.
With 0 truck crashes reported in Split Rock since 2015, this page uses Minnehaha County numbers for its patterns and comparisons.
When crashes happen
The worst month is December with 12.2% of truck crashes; the quietest is April at 5.5%.
Winter months (Nov–Mar) carry 45.1% of truck crashes, vs 48.8% for South Dakota.
The busiest hour is 12–1 pm, with 8.8% of truck crashes.
26.7% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
I-90 leads within 10 miles of Split Rock with 2 fatal crashes involving a large truck since 2015. After it: CR-270TH St (1), E 26th St (1) and I-229 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 16 crashes, 3.1% of the total, against 1.6% across South Dakota.
Route planning tips for Split Rock fleets
- Build extra time into December routes: it has the most truck crashes here.
- Where you can, review stops along I-90; it has the most fatal large-truck crashes nearby.
- 26.9% of truck crashes happen between 6 and 10 am, above South Dakota; consider earlier or later starts where possible.
- 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 Minnehaha County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-90 | 2 |
| CR-270TH St | 1 |
| E 26th St | 1 |
| I-229 | 1 |
| SR-42 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Minnehaha County) |
|---|---|
| I-90 | 113 |
| I-29 | 105 |
| I-229 | 26 |
| Sd Hwy 42 | 14 |
| E Benson Rd | 13 |
| Sd Hwy 11 | 13 |
| N Cliff Ave | 10 |
| E Rice St | 9 |
Split Rock at a glance
| Population | 3,074 |
| Land area | 28.5 sq mi |
| Density | 108 per sq mi |
| Median household income (ZIP 57110) | $88,955 |
| Median home value (ZIP 57110) | $395,880 |
Waste facilities and haulers nearby
Historical data: truck crashes in Minnehaha 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 | 23 | — | 1.3 |
| 2000s | 36 | +61% | 1.2 |
| 2010s | 31 | -16% | 0.8 |
| 2020s | 53 | +73% | 1.8 |
From the 1990s to the 2020s, yearly reported truck crashes went from 23 to 53. Some of the change may reflect how crashes were reported. NHTSA counts 1.8 fatal large-truck crashes a year in 2016–19 and 1.8 a year in 2020–24.
Nearby places
Questions fleets ask about Split Rock
How many truck accidents are there in Split Rock?
509 truck crashes have been reported in Minnehaha County since 2015, with 18 deaths and 59 injuries.
What is the most dangerous road for trucks in Split Rock?
I-90 had 2 fatal crashes involving a large truck within 10 miles of Split Rock since 2015, more than any other road.
What is the worst month for truck crashes in Split Rock?
Truck crashes in Minnehaha County peak in December, with 12.2% of the year's crashes.
Are garbage truck crashes common in Split Rock?
Since 2015, Minnehaha County has reported 16 garbage-truck crashes, or 3.1% of its truck crashes.
How does Split Rock compare with South Dakota for truck crashes?
Minnehaha County records 20.6 truck crashes per 100,000 residents a year, against 42.0 across South Dakota.
What is the best way to plan truck routes in Split Rock?
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.