Rockport Colony, SD truck route planning & crash data
Plan safer truck routes in Rockport Colony: commercial truck and garbage truck crashes in Rockport Colony and Hanson County, dangerous roads, seasonality and route safety data for fleets. Patterns use Hanson County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 76 truck crashes since 2015.
Deadliest roads
How Hanson County compares with South Dakota
Hanson County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Hanson County stands out
Full comparison
| Measure (2015–2025) | Hanson County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 196.1 | 42.0 | 49.7 | 4.7× the state |
| Deaths per 100 crashes | 5.3 | 5.2 | 3.4 | same |
| Injuries per crash | 0.08 | 0.13 | 0.49 | 38% below the state |
| Garbage-truck share | 1.3% | 1.6% | 2.3% | 17% below the state |
| On snow, slush or ice | 41.3% | 28.6% | 6.2% | 1.4× the state |
| Morning rush (6–10 am) | 24.0% | 22.2% | 23.7% | 1.1× the state |
| In rain, sleet or snow | 17.3% | 17.5% | 13.8% | same |
| Winter months (Nov–Mar) | 57.3% | 48.8% | 41.9% | 1.2× the state |
| After dark | 32.0% | 22.8% | 24.8% | 1.4× the state |
Hanson County sits below South Dakota on injuries per crash and garbage-truck share. Where it is higher: crashes per 100k residents / yr, on snow, slush or ice and morning rush (6–10 am).
The headline for Hanson County: January 15.8% of truck crashes happen in January, more than any other month.
Overview
Since 2015, 76 crashes involving commercial trucks have been reported in Hanson County. They injured 6 people and killed 4.
In complete reporting years that works out to about one truck crash every 54 days.
With 0 truck crashes reported in Rockport Colony since 2015, this page uses Hanson County numbers for its patterns and comparisons.
When crashes happen
January has the most truck crashes, 15.8% of the yearly total, while July has the fewest (3.9%).
Winter months (Nov–Mar) carry 57.3% of truck crashes, vs 48.8% for South Dakota.
By time of day, 3–4 pm stands out with 11.8% of truck crashes.
Road surface: 41.3% of truck crashes were on snow, slush or ice (South Dakota: 28.6%).
Where crashes happen
Within this area, I-90 had the most fatal crashes involving a large truck since 2015 (3). Next come SR-37 (2) and SR-42 (1).
Garbage & waste trucks
1 crash involved a garbage or refuse truck, a 1.3% share (South Dakota: 1.6%).
Route planning tips for Rockport Colony fleets
- Build extra time into January routes: it has the most truck crashes here.
- Look at alternatives to I-90 at busy times: it leads this area in fatal truck crashes.
- 24.0% of truck crashes happen between 6 and 10 am, above South Dakota; consider earlier or later starts where possible.
- Icy and snowy roads show up in 41.3% of truck crashes here, more than South Dakota; schedule winter checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
This report uses the FMCSA crash file (reported crashes of trucks over 10,000 lb) and NHTSA FARS (fatal crashes). It reports the numbers without guessing at reasons.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Hanson County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-90 | 3 |
| SR-37 | 2 |
| SR-42 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Hanson County) |
|---|---|
| I-90 | 45 |
| Sd Hwy 38 | 8 |
| Sd Hwy 25 | 7 |
| Ave | 4 |
| Sd Hwy 42 | 4 |
| Sd Hwy 262 | 1 |
Rockport Colony at a glance
| Land area | 0.2 sq mi |
| Median household income (ZIP 57311) | $103,839 |
| Median home value (ZIP 57311) | $178,824 |
Waste facilities and haulers nearby
Historical data: truck crashes in Hanson 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 | — | 0.2 |
| 2000s | 5 | +71% | 0.1 |
| 2010s | 7 | +42% | 0.6 |
| 2020s | 7 | +5% | 0.2 |
Reported truck crashes averaged 3 a year in the 1990s and 7 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.2 a year in 2016–19, 0.2 a year in 2020–24.
Nearby places
Questions fleets ask about Rockport Colony
How many truck crashes happen in Rockport Colony?
Hanson County has had 76 reported truck crashes since 2015, injuring 6 people and killing 4.
Which road has the most fatal truck crashes in Rockport Colony?
NHTSA data shows I-90 with 3 fatal large-truck crashes within 10 miles of Rockport Colony since 2015, the highest of any road.
When do most truck crashes happen in Rockport Colony?
The worst month is January: 15.8% of truck crashes in Hanson County happen then.
How many garbage truck accidents happen in Rockport Colony?
Garbage trucks were involved in 1 reported crash in Hanson County since 2015 (1.3% of truck crashes).
How does Rockport Colony compare with South Dakota for truck crashes?
The yearly rate is 196.1 truck crashes per 100,000 residents in Hanson County, vs 42.0 for South Dakota.
What is the best way to plan truck routes in Rockport Colony?
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.