Flagstaff, AZ truck route planning & crash data
Plan safer truck routes in Flagstaff: commercial truck and garbage truck crashes, dangerous roads, seasonality and route safety data for fleets.
Where fatal truck crashes happened
Risk scorecard
Key findings
Snapshot
Crashes by month
Garbage trucks vs all trucks
3 of 553 truck crashes since 2015.
Deadliest roads
How Flagstaff compares with Arizona
Flagstaff against Arizona and the US, 2015–2025 (years with complete crash reporting). Per-resident rates make big and small places comparable.
Where Flagstaff stands out
Full comparison
| Measure (2015–2025) | Flagstaff | Arizona | United States | vs state |
|---|---|---|---|---|
| Crashes per 100k residents / yr | 57.0 | 35.9 | 49.7 | 1.6× the state |
| Deaths per 100 crashes | 4.5 | 5.2 | 3.4 | 13% below the state |
| Injuries per crash | 0.21 | 0.19 | 0.49 | 1.1× the state |
| Garbage-truck share | 0.6% | 1.6% | 2.3% | 61% below the state |
| On snow, slush or ice | 22.4% | 3.2% | 6.2% | 7.0× the state |
| Morning rush (6–10 am) | 20.8% | 22.6% | 23.7% | 8% below the state |
| In rain, sleet or snow | 16.9% | 5.3% | 13.8% | 3.2× the state |
| Winter months (Nov–Mar) | 46.3% | 42.1% | 41.9% | 1.1× the state |
| After dark | 38.7% | 30.0% | 24.8% | 1.3× the state |
Flagstaff has lower values than Arizona for deaths per 100 crashes, garbage-truck share and morning rush (6–10 am). It stands out for higher crashes per 100k residents / yr, injuries per crash and on snow, slush or ice.
Flagstaff at a glance: 22.4% on snowy, slushy or icy roads, against 3.2% across Arizona.
Overview
Police reported 553 crashes involving commercial trucks in Flagstaff since 2015: 133 people were injured and 22 were killed.
Across the years with complete reporting, that is roughly one truck crash every 8 days.
When crashes happen
The worst month is March with 11.2% of truck crashes; the quietest is April at 5.8%.
Winter months (Nov–Mar) carry 46.3% of truck crashes, vs 42.1% for Arizona.
More truck crashes happen at 8–9 am than at any other hour (8.1%).
Road surface: 22.4% of truck crashes were on snow, slush or ice (Arizona: 3.2%).
Where crashes happen
Within this area, I-40 had the most fatal crashes involving a large truck since 2015 (16). After it: I-17 (2), E Route 66 (1) and SR-40 (1).
Garbage & waste trucks
Garbage and refuse trucks were involved in 3 crashes, 0.5% of the total, against 1.6% across Arizona.
Route planning tips for Flagstaff fleets
- Review driver schedules for March, the month with the most truck crashes.
- Check whether your routes use I-40, the road with the most fatal truck crashes in this area.
- With 22.4% of truck crashes on snow, slush or ice (above Arizona), plan winter equipment checks early.
- Check your own stops for crash hotspots and low bridges with the free Route Planner.
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 Flagstaff
By hour of day
Most dangerous roads for trucks
| Road | Fatal truck crashes since 2015 (within 10 miles) |
|---|---|
| I-40 | 16 |
| I-17 | 2 |
| E Route 66 | 1 |
| SR-40 | 1 |
| SR-40B | 1 |
| W Butler Ave | 1 |
Roads named most in all truck crash reports
| Road | Truck crashes since 2015 (Flagstaff) |
|---|---|
| I-40 Noncard@M195 | 15 |
| I-40 Noncard@M196 | 11 |
| I-40 Noncard@M204 | 11 |
| I-40 Noncard@M203 | 10 |
| I-40 Noncard@M198 | 10 |
| I-40 Noncard@M199 | 7 |
| I-40 Noncard@M194 | 7 |
| I-40 Noncard@M202 | 6 |
Flagstaff at a glance
| Population | 77,539 |
| Land area | 66.0 sq mi |
| Density | 1,175 per sq mi |
Waste facilities and haulers nearby
Historical data: truck crashes in Flagstaff 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 | 22 | — | 4.0 |
| 2000s | 19 | -15% | 4.7 |
| 2010s | 22 | +18% | 5.5 |
| 2020s | 44 | +102% | 9.4 |
Reported truck crashes averaged 22 a year in the 1990s and 44 a year in the 2020s. Reporting practices changed over time, so part of any change can come from reporting. NHTSA counts 6.5 fatal large-truck crashes a year in 2016–19 and 9.4 a year in 2020–24.
Nearby places
Questions fleets ask about Flagstaff
How many truck accidents are there in Flagstaff?
553 truck crashes have been reported in Flagstaff since 2015, with 22 deaths and 133 injuries.
Where do fatal truck crashes happen most in Flagstaff?
I-40 had 16 fatal crashes involving a large truck within 10 miles of Flagstaff since 2015, more than any other road.
What is the worst month for truck crashes in Flagstaff?
The worst month is March: 11.2% of truck crashes in Flagstaff happen then.
How many garbage truck accidents happen in Flagstaff?
Since 2015, Flagstaff has reported 3 garbage-truck crashes, or 0.5% of its truck crashes.
How does Flagstaff compare with Arizona for truck crashes?
The yearly rate is 57.0 truck crashes per 100,000 residents in Flagstaff, vs 35.9 for Arizona.
How do I plan a garbage truck route in Flagstaff?
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.