12,940
power units
Swift Transportation Company of Arizona LLC is a freight and passenger carrier based in Phoenix, Arizona with 12,940 power units and 12,883 drivers as reported, the 15th largest trucking fleet in the US and the largest in Arizona. In the 24 months to Sep 30, 2026 it had 792 reportable crashes, 24 of them fatal (6.12 per 100 power units vs 2.98 for all carriers). It belongs to Knight-Swift Transportation Holdings Inc. (KNX).
Updated Oct 11, 2026 · crashes and inspections to Sep 30, 2026
Power units
12,940
#1 in AZ
Drivers
12,883
12,883 with commercial license
Crashes, 24 mo
792
24 fatal
Per 100 trucks
6.12
All carriers: 2.98
Vehicles out of service
19.4%
All inspections: 22.8%
Inspections, 24 mo
22,277
61% with no violation
Compared with other carriers
Crash rate over 24 months per 100 power units, and the share of roadside inspections that took the vehicle or driver off the road
| Crashes / 100 trucks | Vehicles OOS | Drivers OOS | |
|---|---|---|---|
| Swift Transportation Company of Arizona LLC | 6.12 | 19.4% | 1.0% |
| Carriers with 10+ trucks in AZ | 2.90 | 20.2% | 2.7% |
| Carriers with 10+ trucks, US | 2.98 | 19.3% | 3.6% |
| All roadside inspections | - | 22.8% | 6.4% |
Lower is better. Carriers that drive more miles per truck can have more crashes per truck.
Crashes, 24 months
25 people killed and 320 injured
- Fatal24
- Injury227
- Tow-away541
Roadside inspections, 24 months
Inspections and how many ended out of service
| Kind | Inspections | Out of service | Rate |
|---|---|---|---|
| Driver | 22,198 | 233 | 1.0% |
| Vehicle | 12,950 | 2,508 | 19.4% |
| Hazardous load | 22 | 0 | 0.0% |
Carrier facts
- Carrier number
- 54283
- Based in
- Phoenix, Arizona
- Registered
- Jun 1, 1974
- Operation
- Across state lines
- Carries
- Freight and passengers
- Authority for hire
- Active
- Safety rating
- Satisfactory (Jun 19, 2006)
- Miles driven
- 1.3 billion (2024)
- Type
- For hire
- Cargo
- Beverages, Building materials, Chemicals, Construction, Dry bulk, Fresh produce, General freight, Grain feed hay
- Last update filed
- Aug 5, 2025
- Listed company
- Knight-Swift Transportation Holdings Inc. (KNX)
Questions and answers
How many trucks does Swift Transportation Company of Arizona LLC have?
Swift Transportation Company of Arizona LLC reports 12,940 power units (trucks, tractors and buses) and 12,883 drivers, 12,883 of them with a commercial license. That is the 15th largest fleet among US trucking carriers. Its trucks drove 1.3 billion miles in 2024.
Is Swift Transportation Company of Arizona LLC a safe carrier?
In 24 months Swift Transportation Company of Arizona LLC had 792 reportable crashes, 6.12 per 100 power units (above the 2.98 of all carriers with 10+ trucks). 19.4% of its vehicle inspections took the truck off the road (all inspections: 22.8%). Its latest official safety rating is Satisfactory (Jun 19, 2006). A crash record does not say who caused the crash.
Who owns Swift Transportation Company of Arizona LLC?
Swift Transportation Company of Arizona LLC belongs to Knight-Swift Transportation Holdings Inc., listed under the ticker KNX.
Reportable crashes of trucks and buses: a death, an injury or a vehicle towed away. A crash record does not say who caused the crash. Recent months can still grow as late reports arrive. Out-of-service rate: the percent of roadside inspections that took the driver or the vehicle off the road until a serious problem was fixed. Carriers with few inspections have rates that swing a lot. Fleet, drivers and miles as the carrier reported them. Official public data, updated daily.