North Sioux City, SD truck route planning & crash data
Plan safer truck routes in North Sioux City: commercial truck and garbage truck crashes in North Sioux City and Union County, dangerous roads, seasonality and route safety data for fleets. Patterns use Union County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
1 of 188 truck crashes since 2015.
Deadliest roads
How Union County compares with South Dakota
Union County against South Dakota and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Union County stands out
Full comparison
| Measure (2015–2025) | Union County | South Dakota | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 90.4 | 42.0 | 49.7 | 2.2× the state |
| Deaths per 100 crashes | 4.6 | 5.2 | 3.4 | 12% below the state |
| Injuries per crash | 0.09 | 0.13 | 0.49 | 31% below the state |
| Garbage-truck share | 0.6% | 1.6% | 2.3% | 64% below the state |
| On snow, slush or ice | 37.6% | 28.6% | 6.2% | 1.3× the state |
| Morning rush (6–10 am) | 23.7% | 22.2% | 23.7% | same |
| In rain, sleet or snow | 27.2% | 17.5% | 13.8% | 1.5× the state |
| Winter months (Nov–Mar) | 56.1% | 48.8% | 41.9% | 1.1× the state |
| After dark | 28.3% | 22.8% | 24.8% | 1.2× the state |
Union County sits below South Dakota on 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 in rain, sleet or snow.
The headline for Union County: December worst month: 16.0% of truck crashes, vs 8.3% in an average month.
Overview
Union County has recorded 188 truck crashes since 2015, with 17 people injured and 8 killed.
In complete reporting years that works out to about one truck crash every 23 days.
Only 12 truck crashes were reported in North Sioux City since 2015; patterns below come from Union County as a whole.
When crashes happen
Truck crashes peak in December (16.0% of the year) and are lowest in October (2.7%).
Winter months (Nov–Mar) carry 56.1% of truck crashes, vs 48.8% for South Dakota.
By time of day, 1–2 pm stands out with 10.1% of truck crashes.
37.6% of truck crashes here happened on snow, slush or ice, against 28.6% across South Dakota.
Where crashes happen
I-29 leads within 10 miles of North Sioux City with 4 fatal crashes involving a large truck since 2015. Next come US-75 (3), 18th St (1) and CR-152ND St (1).
Garbage & waste trucks
Garbage trucks account for 1 of the truck crashes here, or 0.5%, compared with 1.6% in South Dakota.
Route planning tips for North Sioux City fleets
- Plan December schedules with more margin; it is the worst month for truck crashes in Union County.
- Check whether your routes use I-29, the road with the most fatal truck crashes in this area.
- With 37.6% of truck crashes on snow, slush or ice (above South Dakota), plan winter equipment checks early.
- Paste your stops into the free Route Planner to see the risk score, safer alternatives and low bridges.
About the data
Sources: the FMCSA crash file for all reported truck crashes and NHTSA FARS for fatal crashes with a large truck. Every statement here comes straight from those numbers.
Truck crashes by year: all trucks vs garbage trucks
Seasonality: when trucks crash in Union County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-29 | 4 |
| US-75 | 3 |
| 18th St | 1 |
| CR-152ND St | 1 |
| I-129 | 1 |
| SR-35 | 1 |
| SR-376 | 1 |
| US-20 | 1 |
| Us- Hwy 20 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Union County) |
|---|---|
| I-29 | 139 |
| Sd Hwy 50 | 10 |
| Sd Hwy 46 | 8 |
| Ave | 6 |
| N Derby Ln | 4 |
| Sd Hwy 48 | 3 |
| River Dr | 2 |
| First St | 1 |
North Sioux City at a glance
| Population | 3,059 |
| Land area | 3.3 sq mi |
| Density | 917 per sq mi |
| Median household income (ZIP 57049) | $93,134 |
| Median home value (ZIP 57049) | $427,075 |
Waste facilities and haulers nearby
Historical data: truck crashes in Union 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 | 11 | — | 0.4 |
| 2000s | 10 | -4% | 0.2 |
| 2010s | 13 | +28% | 0.3 |
| 2020s | 18 | +36% | 0.8 |
In the 1990s about 11 truck crashes a year were reported; in the 2020s, about 18. Reporting coverage also changed between these periods. NHTSA counts 0.2 fatal large-truck crashes a year in 2016–19 and 0.8 a year in 2020–24.
Nearby places
Questions fleets ask about North Sioux City
How many truck crashes happen in North Sioux City?
188 truck crashes have been reported in Union County since 2015, with 8 deaths and 17 injuries.
Which road has the most fatal truck crashes in North Sioux City?
I-29 had 4 fatal crashes involving a large truck within 10 miles of North Sioux City since 2015, more than any other road.
Which month has the most truck crashes in North Sioux City?
December has the most truck crashes in Union County, 16.0% of the yearly total.
How many garbage truck accidents happen in North Sioux City?
Since 2015, Union County has reported 1 garbage-truck crash, or 0.5% of its truck crashes.
How do truck crashes in North Sioux City compare with South Dakota?
Per 100,000 residents, Union County has 90.4 truck crashes a year; South Dakota has 42.0.
How can I plan a safer truck route in North Sioux City?
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.