Alliance, SD truck route planning & crash data
Plan safer truck routes in Alliance: commercial truck and garbage truck crashes in Alliance and Moody County, dangerous roads, seasonality and route safety data for fleets. Patterns use Moody County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
0 of 83 truck crashes since 2015.
Deadliest roads
How Moody County compares with South Dakota
Moody County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Moody County stands out
Full comparison
| Measure (2015–2025) | Moody County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 107.2 | 42.0 | 49.7 | 2.6× the state |
| Deaths per 100 crashes | 2.6 | 5.2 | 3.4 | 50% below the state |
| Injuries per crash | 0.03 | 0.13 | 0.49 | 77% below the state |
| Garbage-truck share | 0.0% | 1.6% | 2.3% | 100% below the state |
| On snow, slush or ice | 37.7% | 28.6% | 6.2% | 1.3× the state |
| Morning rush (6–10 am) | 26.0% | 22.2% | 23.7% | 1.2× the state |
| In rain, sleet or snow | 20.8% | 17.5% | 13.8% | 1.2× the state |
| Winter months (Nov–Mar) | 67.5% | 48.8% | 41.9% | 1.4× the state |
| After dark | 28.6% | 22.8% | 24.8% | 1.3× the state |
Moody County has lower values than South Dakota for deaths per 100 crashes, injuries per crash and garbage-truck share. It runs above South Dakota on crashes per 100k residents / yr, on snow, slush or ice and morning rush (6–10 am).
The headline for Moody County: March the month with the most truck crashes: 18.1% of the year's total.
Overview
Since 2015, 83 crashes involving commercial trucks have been reported in Moody County. They injured 2 people and killed 2.
In complete reporting years that works out to about one truck crash every 52 days.
Alliance had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Moody County numbers.
When crashes happen
March has the most truck crashes, 18.1% of the yearly total, while August has the fewest (2.4%).
Winter months (Nov–Mar) carry 67.5% of truck crashes, vs 48.8% for South Dakota.
The busiest hour is 9–10 am, with 9.6% of truck crashes.
Road surface: 37.7% of truck crashes were on snow, slush or ice (South Dakota: 28.6%).
Where crashes happen
Since 2015, fatal crashes with a large truck within 10 miles of Alliance happened on 482nd Ave (1) and SR-23 (1); no road leads clearly.
Garbage & waste trucks
Since 2015, no garbage-truck crashes were reported for Moody County.
Route planning tips for Alliance fleets
- Review driver schedules for March, the month with the most truck crashes.
- Morning starts matter: 26.0% of truck crashes fall between 6 and 10 am, higher than South Dakota.
- Icy and snowy roads show up in 37.7% of truck crashes here, more than South Dakota; schedule winter checks early.
- 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 Moody County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| 482nd Ave | 1 |
| SR-23 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Moody County) |
|---|---|
| I-29 | 55 |
| Sd Hwy 34 | 6 |
| Sd Hwy 32 | 3 |
| Ave | 2 |
| 241St Street | 1 |
| N Main Ave | 1 |
| SR-34 | 1 |
| Sd Highway 32 | 1 |
Alliance at a glance
| Population | 95 |
| Land area | 21.8 sq mi |
| Density | 4 per sq mi |
| Median household income (ZIP 57065) | $70,000 |
| Median home value (ZIP 57065) | $194,803 |
Historical data: truck crashes in Moody 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 | 6 | — | 0.3 |
| 2000s | 4 | -27% | 0.2 |
| 2010s | 8 | +77% | 0.4 |
| 2020s | 7 | -10% | 0.2 |
From the 1990s to the 2020s, yearly reported truck crashes went from 6 to 7. Some of the change may reflect how crashes were reported. Fatal large-truck crashes: 0.0 a year in 2016–19, 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Alliance
How many truck accidents are there in Alliance?
83 truck crashes have been reported in Moody County since 2015, with 2 deaths and 2 injuries.
Which month has the most truck crashes in Alliance?
The worst month is March: 18.1% of truck crashes in Moody County happen then.
How many garbage truck crashes are there in Alliance?
0 crashes involving garbage or refuse trucks have been reported in Moody County since 2015, 0.0% of all truck crashes.
What is the truck crash rate in Alliance compared with South Dakota?
The yearly rate is 107.2 truck crashes per 100,000 residents in Moody County, vs 42.0 for South Dakota.
How can I plan a safer truck route in Alliance?
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.