Duncan & Son Lines INC
Looks good
No issues found
Based in
Buckeye, AZ
Power units
259
Drivers
231
Operation
Interstate · hazmat
Compliance check
From the FMCSA census and inspection files, checked Oct 15, 2026.
USDOT number status
OKActive in the FMCSA census.
MCS-150 biennial update
OKNext due May 31, 2027. Last filed Feb 10, 2026.
Operating authority (MC-144606)
OKAuthority shows active.
Safety rating
OKSatisfactory since Oct 13, 2010.
Out-of-service rate (24 months)
OKVehicle 12.5% vs 22.26% national, driver 1.2% vs 6.67% national, across 419 inspections.
UCR registration 2027
InfoInterstate carriers must register with UCR every year. 2027 registration is open now. Estimated fee for 259 power units: $5,548 (bracket 5).
Roadside inspections, last 24 months
| Type | Inspections | Out of service | OOS rate | National avg |
|---|---|---|---|---|
| Vehicle | 327 | 41 | 12.5% | 22.26% |
| Driver | 418 | 5 | 1.2% | 6.67% |
419 inspections and 330 violations since Oct 15, 2024. Last inspection Oct 5, 2026. National averages are FMCSA-published approximations.
Registration details
- Legal name
- Duncan & Son Lines INC
- DBA
- -
- Classification
- authorized for hire
- CDL drivers
- 231
- MCS-150 last filed
- Feb 10, 2026
- Reported mileage
- 23,801,483 (2025)
- Added to FMCSA
- Jun 1, 1974
- Safety rating
- Satisfactory
Source: FMCSA Motor Carrier Census and Vehicle Inspection File (data.transportation.gov), public records. Contact details are intentionally not shown. MyDotCheck is an independent service and is not affiliated with, endorsed by, or part of the U.S. Department of Transportation or FMCSA. Data comes from public FMCSA datasets and may lag official records by a day or more. Government filings can be made directly with FMCSA at no charge.