Williamson, AZ truck route planning & crash data
Plan safer truck routes in Williamson: commercial truck and garbage truck crashes in Williamson and Yavapai County, dangerous roads, seasonality and route safety data for fleets. Patterns use Yavapai County numbers.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3.8 deaths per 100 garbage-truck crashes vs 6.4 for all trucks.
Deadliest roads
How Yavapai County compares with Arizona
Yavapai County against Arizona and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Yavapai County stands out
Full comparison
| Measure (2015–2025) | Yavapai County | Arizona | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 68.6 | 35.9 | 49.7 | 1.9× the state |
| Deaths per 100 crashes | 6.4 | 5.2 | 3.4 | 1.2× the state |
| Injuries per crash | 0.22 | 0.19 | 0.49 | 1.2× the state |
| Garbage-truck share | 1.4% | 1.6% | 2.3% | 13% below the state |
| On snow, slush or ice | 6.7% | 3.2% | 6.2% | 2.1× the state |
| Morning rush (6–10 am) | 20.8% | 22.6% | 23.7% | 8% below the state |
| In rain, sleet or snow | 9.2% | 5.3% | 13.8% | 1.8× the state |
| Winter months (Nov–Mar) | 39.9% | 42.1% | 41.9% | same |
| After dark | 31.5% | 30.0% | 24.8% | same |
Yavapai County sits below Arizona on garbage-truck share and morning rush (6–10 am). Where it is higher: crashes per 100k residents / yr, deaths per 100 crashes and injuries per crash.
What stands out in Yavapai County: 6.7% on snowy, slushy or icy roads, against 3.2% across Arizona.
Overview
Yavapai County has recorded 2,053 truck crashes since 2015, with 495 people injured and 122 killed.
In complete reporting years that works out to about one truck crash every 2 days.
Williamson had 0 reported truck crashes since 2015, too few for reliable patterns, so the charts and findings on this page use Yavapai County numbers.
When crashes happen
Truck crashes peak in June (9.3% of the year) and are lowest in November (7.3%).
November through March accounts for 39.9% of truck crashes here, compared with 42.1% in Arizona.
The busiest hour is 2–3 pm, with 6.5% of truck crashes.
Snow, slush or ice was on the road in 6.7% of truck crashes, compared with 3.2% in Arizona.
Where crashes happen
Within this area, CR-IRON Springs Rd had the most fatal crashes involving a large truck since 2015 (2). Next come CR-10 Iron Springs Rd (1), N Williamson Valley Rd (1) and SR-89 (1).
Garbage & waste trucks
31 crashes involved a garbage or refuse truck, a 1.5% share (Arizona: 1.6%).
Garbage-truck crashes peak in August (23% of them).
Deaths per 100 garbage-truck crashes: 3.8, vs 6.4 for all truck crashes.
Route planning tips for Williamson fleets
- Build extra time into June routes: it has the most truck crashes here.
- Where you can, review stops along CR-IRON Springs Rd; it has the most fatal large-truck crashes nearby.
- Garbage-truck crashes here peak in August; review collection routes for that month.
- With 6.7% of truck crashes on snow, slush or ice (above Arizona), 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 Yavapai County
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| CR-IRON Springs Rd | 2 |
| CR-10 Iron Springs Rd | 1 |
| N Williamson Valley Rd | 1 |
| SR-89 | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Yavapai County) |
|---|---|
| I-17 Noncard@M270 | 18 |
| I-17 Noncard@M300 | 16 |
| I-40 Noncard@M132 | 14 |
| Us-93@M177 | 12 |
| I-17 Noncard@M246 | 10 |
| I-17 Noncard@M282 | 9 |
| I-17 Noncard@M244 | 8 |
| I-17 Noncard@M284 | 8 |
Williamson at a glance
| Land area | 58.1 sq mi |
| Median household income (ZIP 86323) | $62,603 |
| Median home value (ZIP 86323) | $374,184 |
Waste facilities and haulers nearby
Historical data: truck crashes in Yavapai 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 | 40 | — | 4.1 |
| 2000s | 78 | +96% | 6.5 |
| 2010s | 75 | -4% | 5.2 |
| 2020s | 191 | +154% | 11.2 |
Reported truck crashes averaged 40 a year in the 1990s and 191 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. Fatal crashes involving a large truck averaged 6.2 a year in 2016–19 and 11.2 a year in 2020–24.
Nearby places
Questions fleets ask about Williamson
How many truck accidents are there in Williamson?
2,053 truck crashes have been reported in Yavapai County since 2015, with 122 deaths and 495 injuries.
Where do fatal truck crashes happen most in Williamson?
CR-IRON Springs Rd had 2 fatal crashes involving a large truck within 10 miles of Williamson since 2015, more than any other road.
What is the worst month for truck crashes in Williamson?
The worst month is June: 9.3% of truck crashes in Yavapai County happen then.
Are garbage truck crashes common in Williamson?
31 crashes involving garbage or refuse trucks have been reported in Yavapai County since 2015, 1.5% of all truck crashes.
How does Williamson compare with Arizona for truck crashes?
Per 100,000 residents, Yavapai County has 68.6 truck crashes a year; Arizona has 35.9.
What is the best way to plan truck routes in Williamson?
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.