Look up a carrier / DOT 44035
USDOT 44035DUNCAN & SON LINES INC
10% out-of-service rate across 50 inspections.
This describes the roadside inspection record, not an official safety rating. FMCSA issues Satisfactory, Conditional and Unsatisfactory ratings through a separate compliance review, and most carriers have never been rated.
Inspection summary
| Inspections on file | 50 |
|---|---|
| Clean, no violations | 28 |
| Ended out of service | 5 |
| Out-of-service rate | 10.0% |
| Most recent | 2026-11-02 |
Showing the 50 most recent inspections held for this carrier. FMCSA keeps a rolling window, so this is a recent record rather than a lifetime one.
Recent inspections
| Date | State | Level | Violations | Service |
|---|---|---|---|---|
| 2026-11-02 | CA | Walk-around | 2 | In service |
| 2026-10-27 | CA | Walk-around | 0 | In service |
| 2026-10-26 | CA | Full | 1 | Out of service |
| 2026-10-26 | AZ | Walk-around | 0 | In service |
| 2026-10-26 | TX | Walk-around | 0 | In service |
| 2026-10-26 | TX | Walk-around | 0 | In service |
| 2026-10-22 | AZ | Full | 1 | In service |
| 2026-10-21 | CA | Walk-around | 2 | In service |
| 2026-10-15 | CA | Driver only | 0 | In service |
| 2026-10-15 | NM | Driver only | 0 | In service |
| 2026-10-05 | CA | Full | 0 | In service |
| 2026-09-24 | US | Driver only | 0 | In service |
| 2026-09-24 | CA | Full | 2 | In service |
| 2026-09-24 | AZ | Walk-around | 1 | In service |
| 2026-09-22 | CA | Full | 1 | Out of service |
| 2026-09-22 | WA | Walk-around | 2 | In service |
| 2026-09-18 | CA | Full | 0 | In service |
| 2026-09-16 | NM | Walk-around | 1 | In service |
| 2026-09-15 | CA | Full | 0 | In service |
| 2026-09-11 | CA | Driver only | 0 | In service |
| 2026-09-10 | CA | Walk-around | 0 | In service |
| 2026-09-10 | CA | Walk-around | 1 | Out of service |
| 2026-09-04 | AZ | Driver only | 1 | In service |
| 2026-09-03 | CA | Full | 0 | In service |
| 2026-09-03 | TX | Walk-around | 2 | In service |
Violations found
Every violation recorded across the most recent inspections. An out-of-service violation means the vehicle or driver was ordered off the road at the roadside.
| Code | Violation | Service |
|---|---|---|
| 392.2-SLLS1 | State/Local Laws - Speeding 1-5 miles per hour over the speed limit | In service |
| 393.201A-FRMC | Frame - Cracked/loose/broken frame member affecting support of functional components | Out of service |
| 393.45B2-B-AIR | Air Brake - Hose/tubing damaged or not secured | In service |
| 393.45B2-B-AIR | Air Brake - Hose/tubing damaged or not secured | In service |
| 393.9A-LIL | Lighting - Identification lamp(s) inoperative | In service |
| 392.2-SLLEQP | State/Local Laws - Violation of state and local law - Equipment violation. | In service |
| 393.75C-TAOTD-LT2/32 | Tires - Less than 2/32 inch tread depth | In service |
| 392.2-SLLSR | State/Local Laws - State registration/tag violation | In service |
| 393.9A-LRLI | Lighting - Tail lamp - Any inoperative | In service |
| 392.2-SLLTL | State/Local Laws - Misc. traffic law violation | In service |
| 393.45B2-BHTD | Air Brake - Hose/tubing damage into the outer reinforcement ply. | Out of service |
| 396.17C-PI | Operating a CMV without documentation of a periodic inspection | In service |
| 395.8F12-HOSM | HOS (Manner) - Driver's record of duty status failed to record shipping document number(s) or name of shipper and commodity for each 24 hour period. Date: | In service |
Source: FMCSA Company Census, Vehicle Inspection File and Inspections and Violations, via data.transportation.gov. Refreshed daily. Verify against FMCSA directly before relying on any of this to tender a load.