Johnson Siding, SD truck route planning & crash data
Plan safer truck routes in Johnson Siding: commercial truck and garbage truck crashes in Johnson Siding and Pennington County, dangerous roads, seasonality and route safety data for fleets. Patterns use Pennington County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
10 of 399 truck crashes since 2015.
Deadliest roads
How Pennington County compares with South Dakota
Pennington County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Pennington County stands out
Full comparison
| Measure (2015–2025) | Pennington County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 29.1 | 42.0 | 49.7 | 31% below the state |
| Deaths per 100 crashes | 3.0 | 5.2 | 3.4 | 42% below the state |
| Injuries per crash | 0.10 | 0.13 | 0.49 | 23% below the state |
| Garbage-truck share | 2.4% | 1.6% | 2.3% | 1.5× the state |
| On snow, slush or ice | 28.8% | 28.6% | 6.2% | same |
| Morning rush (6–10 am) | 21.0% | 22.2% | 23.7% | same |
| In rain, sleet or snow | 20.0% | 17.5% | 13.8% | 1.1× the state |
| Winter months (Nov–Mar) | 48.2% | 48.8% | 41.9% | same |
| After dark | 27.2% | 22.8% | 24.8% | 1.2× the state |
Pennington County has lower values than South Dakota for crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash. It stands out for higher garbage-truck share, in rain, sleet or snow and after dark.
The headline for Pennington County: 1 in 41 of truck crashes here involve garbage trucks: 2.4%, vs 1.6% in South Dakota.
Overview
Since 2015, 399 crashes involving commercial trucks have been reported in Pennington County. They injured 38 people and killed 11.
That averages about one truck crash every 11 days in fully reported years.
Only 0 truck crashes were reported in Johnson Siding since 2015; patterns below come from Pennington County as a whole.
When crashes happen
Truck crashes peak in January (11.8% of the year) and are lowest in February (5.3%).
The five winter months (November to March) hold 48.2% of truck crashes, against 48.8% across South Dakota.
More truck crashes happen at 2–3 pm than at any other hour (8.8%).
Snow, slush or ice was on the road in 28.8% 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 Johnson Siding since 2015: I-90 (2). No single road stands out.
Garbage & waste trucks
Garbage and refuse trucks were involved in 10 crashes, 2.5% of the total, against 1.6% across South Dakota.
Route planning tips for Johnson Siding fleets
- Review driver schedules for January, the month with the most truck crashes.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
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 Pennington County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-90 | 2 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Pennington County) |
|---|---|
| I-90 | 194 |
| US-16 | 39 |
| Sd Hwy 44 | 26 |
| Sd Hwy 79 | 16 |
| Ave | 7 |
| Sd Hwy 445 | 7 |
| Us Hwy 16 B | 5 |
| Cambell St | 4 |
Johnson Siding at a glance
| Land area | 3.7 sq mi |
| Median household income (ZIP 57702) | $91,457 |
| Median home value (ZIP 57702) | $395,131 |
Waste facilities and haulers nearby
Historical data: truck crashes in Pennington 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 | — | 0.7 |
| 2000s | 24 | +2% | 1.0 |
| 2010s | 25 | +5% | 0.5 |
| 2020s | 42 | +67% | 1.0 |
In the 1990s about 23 truck crashes a year were reported; in the 2020s, about 42. Reporting coverage also changed between these periods. NHTSA counts 1.0 fatal large-truck crashes a year in 2016–19 and 1.0 a year in 2020–24.
Nearby places
Questions fleets ask about Johnson Siding
How many truck accidents are there in Johnson Siding?
Pennington County has had 399 reported truck crashes since 2015, injuring 38 people and killing 11.
What is the worst month for truck crashes in Johnson Siding?
January has the most truck crashes in Pennington County, 11.8% of the yearly total.
How many garbage truck crashes are there in Johnson Siding?
Since 2015, Pennington County has reported 10 garbage-truck crashes, or 2.5% of its truck crashes.
What is the truck crash rate in Johnson Siding compared with South Dakota?
Per 100,000 residents, Pennington County has 29.1 truck crashes a year; South Dakota has 42.0.
How can I plan a safer truck route in Johnson Siding?
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.