Lamro, SD truck route planning & crash data
Plan safer truck routes in Lamro: commercial truck and garbage truck crashes in Lamro and Tripp County, dangerous roads, seasonality and route safety data for fleets. Patterns use Tripp County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 34 truck crashes since 2015.
Deadliest roads
How Tripp County compares with South Dakota
Tripp County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Tripp County stands out
Full comparison
| Measure (2015–2025) | Tripp County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 50.9 | 42.0 | 49.7 | 1.2× the state |
| Deaths per 100 crashes | 3.1 | 5.2 | 3.4 | 40% below the state |
| Injuries per crash | 0.28 | 0.13 | 0.49 | 2.2× the state |
| Garbage-truck share | 3.1% | 1.6% | 2.3% | 1.9× the state |
| On snow, slush or ice | 18.8% | 28.6% | 6.2% | 35% below the state |
| Morning rush (6–10 am) | 12.5% | 22.2% | 23.7% | 44% below the state |
| In rain, sleet or snow | 12.5% | 17.5% | 13.8% | 29% below the state |
| Winter months (Nov–Mar) | 40.6% | 48.8% | 41.9% | 17% below the state |
| After dark | 18.8% | 22.8% | 24.8% | 18% below the state |
Tripp County has lower values than South Dakota for deaths per 100 crashes, on snow, slush or ice and morning rush (6–10 am). It stands out for higher crashes per 100k residents / yr, injuries per crash and garbage-truck share.
Tripp County at a glance: October the month with the most truck crashes: 23.5% of the year's total.
Overview
Police reported 34 crashes involving commercial trucks in Tripp County since 2015: 10 people were injured and 1 were killed.
Across the years with complete reporting, that is roughly one truck crash every 125 days.
Lamro had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Tripp County numbers.
When crashes happen
Truck crashes peak in October (23.5% of the year) and are lowest in February (0.0%).
The five winter months (November to March) hold 40.6% of truck crashes, against 48.8% across South Dakota.
By time of day, 12–1 pm stands out with 11.8% of truck crashes.
Snow, slush or ice was on the road in 18.8% of truck crashes, compared with 28.6% in South Dakota.
Where crashes happen
Roads with fatal crashes involving a large truck within 10 miles of Lamro since 2015: 315th Ave (1). No single road stands out.
Garbage & waste trucks
Garbage and refuse trucks were involved in 1 crash, 2.9% of the total, against 1.6% across South Dakota.
Route planning tips for Lamro fleets
- Build extra time into October 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 Tripp County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| 315th Ave | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Tripp County) |
|---|---|
| Sd Hwy 44 | 8 |
| US-18 | 7 |
| Sd Hwy 49 | 4 |
| Ave | 2 |
| US-183 | 2 |
| SR-18 | 1 |
| Sd Hwy 53 | 1 |
| Us 18 Ef | 1 |
Lamro at a glance
| Population | 463 |
| Land area | 33.6 sq mi |
| Density | 14 per sq mi |
| Median household income (ZIP 57580) | $59,547 |
| Median home value (ZIP 57580) | $133,949 |
Waste facilities and haulers nearby
Historical data: truck crashes in Tripp 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 | — | 0.0 |
| 2000s | 3 | -20% | 0.3 |
| 2010s | 2 | -12% | 0.1 |
| 2020s | 3 | +45% | 0.6 |
From the 1990s to the 2020s, yearly reported truck crashes went from 3 to 3. Some of the change may reflect how crashes were reported. Fatal crashes involving a large truck averaged 0.0 a year in 2016–19 and 0.6 a year in 2020–24.
Nearby places
Questions fleets ask about Lamro
How many truck crashes happen in Lamro?
Tripp County has had 34 reported truck crashes since 2015, injuring 10 people and killing 1.
When do most truck crashes happen in Lamro?
The worst month is October: 23.5% of truck crashes in Tripp County happen then.
Are garbage truck crashes common in Lamro?
1 crash involving garbage or refuse trucks have been reported in Tripp County since 2015, 2.9% of all truck crashes.
How do truck crashes in Lamro compare with South Dakota?
Per 100,000 residents, Tripp County has 50.9 truck crashes a year; South Dakota has 42.0.
How can I plan a safer truck route in Lamro?
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.