Williamsburg, IA truck route planning & crash data
Plan safer truck routes in Williamsburg: commercial truck and garbage truck crashes in Williamsburg and Iowa County, dangerous roads, seasonality and route safety data for fleets. Patterns use Iowa County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3 of 455 truck crashes since 2015.
Deadliest roads
How Iowa County compares with Iowa
Iowa County against Iowa and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Iowa County stands out
Full comparison
| Measure (2015–2025) | Iowa County | Iowa | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 240.2 | 68.1 | 49.7 | 3.5× the state |
| Deaths per 100 crashes | 3.2 | 3.5 | 3.4 | 9% below the state |
| Injuries per crash | 0.48 | 0.41 | 0.49 | 1.2× the state |
| Garbage-truck share | 0.7% | 2.2% | 2.3% | 68% below the state |
| On snow, slush or ice | 29.7% | 18.7% | 6.2% | 1.6× the state |
| Morning rush (6–10 am) | 25.4% | 24.0% | 23.7% | same |
| In rain, sleet or snow | 26.5% | 15.1% | 13.8% | 1.8× the state |
| Winter months (Nov–Mar) | 51.1% | 45.4% | 41.9% | 1.1× the state |
| After dark | 37.1% | 23.1% | 24.8% | 1.6× the state |
Compared with Iowa, Iowa County is lower on deaths per 100 crashes and garbage-truck share. It stands out for higher crashes per 100k residents / yr, injuries per crash and on snow, slush or ice.
The headline for Iowa County: 26.5% of truck crashes happen in rain, sleet or snow, vs 15.1% in Iowa.
Overview
Iowa County has recorded 455 truck crashes since 2015, with 218 people injured and 16 killed.
That averages about one truck crash every 9 days in fully reported years.
Only 20 truck crashes were reported in Williamsburg since 2015; patterns below come from Iowa County as a whole.
77% of truck crash reports in Iowa County since 2015 leave the city field blank; place counts include only reports that name the place.
When crashes happen
Truck crashes peak in December (15.8% of the year) and are lowest in April (4.4%).
The five winter months (November to March) hold 51.1% of truck crashes, against 45.4% across Iowa.
More truck crashes happen at 9–10 am than at any other hour (9.0%).
Road surface: 29.7% of truck crashes were on snow, slush or ice (Iowa: 18.7%).
Where crashes happen
I-80 leads within 10 miles of Williamsburg with 4 fatal crashes involving a large truck since 2015. Next come US-6 (2), CR-V52/G Ave (1) and CR-V66/M Ave (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 3 crashes, 0.7% of the total, against 2.2% across Iowa.
Route planning tips for Williamsburg fleets
- Build extra time into December routes: it has the most truck crashes here.
- Where you can, review stops along I-80; it has the most fatal large-truck crashes nearby.
- Icy and snowy roads show up in 29.7% of truck crashes here, more than Iowa; schedule winter checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Iowa County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-80 | 4 |
| US-6 | 2 |
| CR-V52/G Ave | 1 |
| CR-V66/M Ave | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Iowa County) |
|---|---|
| I-80 | 19 |
| Mm I80 | 10 |
| Interstate 80/I 80 | 10 |
| I 80 W 205Mm | 6 |
| I 80 W 212.6Mm | 4 |
| I 80 W 223Mm | 3 |
| I 80 Eb 215.15 | 3 |
| I 80 E At The 216 Mile Marker | 3 |
Williamsburg at a glance
| Population | 3,380 |
| Land area | 3.4 sq mi |
| Density | 1,003 per sq mi |
| Median household income (ZIP 52361) | $60,992 |
| Median home value (ZIP 52361) | $219,856 |
Waste facilities and haulers nearby
Historical data: truck crashes in Iowa 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 | — | 0.5 |
| 2000s | 28 | +145% | 0.9 |
| 2010s | 30 | +8% | 0.6 |
| 2020s | 42 | +42% | 1.6 |
Reported truck crashes averaged 11 a year in the 1990s and 42 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal large-truck crashes: 0.8 a year in 2016–19, 1.6 a year in 2020–24.
Nearby places
Questions fleets ask about Williamsburg
How many truck crashes happen in Williamsburg?
455 truck crashes have been reported in Iowa County since 2015, with 16 deaths and 218 injuries.
What is the most dangerous road for trucks in Williamsburg?
I-80 had 4 fatal crashes involving a large truck within 10 miles of Williamsburg since 2015, more than any other road.
When do most truck crashes happen in Williamsburg?
The worst month is December: 15.8% of truck crashes in Iowa County happen then.
Are garbage truck crashes common in Williamsburg?
Since 2015, Iowa County has reported 3 garbage-truck crashes, or 0.7% of its truck crashes.
What is the truck crash rate in Williamsburg compared with Iowa?
Iowa County records 240.2 truck crashes per 100,000 residents a year, against 68.1 across Iowa.
How do I plan a garbage truck route in Williamsburg?
Paste your stops into the free CurbWaste Route Planner: it scores your route against fatal-crash locations, suggests safer alternatives and flags low bridges.
2026 is a partial year. Updated October 2026.