DBA: Mid-Sierra Towing
Royce D Duncan is an active interstate carrier based in Auburn, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 6 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 5 | 0 | 0 |
| Total Power Units | 7 | ||
Distinct vehicles · 24 mo
vs 7 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 52% | 84% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 5 | 2 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 12, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Dec 17, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jul 14, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jul 14, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| May 19, 2025 | CA |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 1.20 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state CA accounts for 94% of activity. Activity outside home state (CA): 6%.
| STRAIGHT TRUCK |
| 0 |
| 0 |
| May 1, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| May 1, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| May 1, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Apr 30, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Apr 28, 2025 | US | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| May 1, 2025 | 39311A1LTNRV | Lighting - Turn signal - Any missing not on the rearmost vehicle. | Vehicle Maintenance | — |
| May 1, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Nov 15, 2024 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Apr 9, 2024 | 39343 | No/improper breakaway or emergency braking | Vehicle Maintenance | — |
| Apr 9, 2024 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |