J Duncan & Son Llc is an active intrastate hazmat carrier based in Newark, NJ.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Total Power Units | 3 | ||
Distinct vehicles · 24 mo
vs 3 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 | 92% | 94% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 87% | 90% | Worse than most peers |
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 | 0 | — | 22.26% |
| Hazmat | 2 | 0 | 0.00% | 4.44% |
Where they run
Inspected in 1 state. Top state NJ accounts for 100% of activity. Activity outside home state (NJ): 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 | 10 | 2 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jul 21, 2025 | NJ | STRAIGHT TRUCK | 5 | 0 |
| Jan 30, 2025 | NJ | STRAIGHT TRUCK | 5 | 0 |
| Jul 15, 2024 | NJ | STRAIGHT TRUCK | 5 | 1 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 9.00 | — |
| Driver Fitness | 1 | 2.50 | — |
| Controlled Substances | 0 | 0.00 | — |
| Hazardous Materials Compliance | 4 | 2 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| Date |
|---|
| Code |
|---|
| Description |
|---|
| BASIC |
|---|
| OOS |
|---|
| Jul 21, 2025 | 172519D4HMPMC | HM (Placarding) - Placard color failing to extend to inner border | Hazardous Materials Compliance | — |
| Jul 21, 2025 | 180605KHMTMC | HM (Testing) - Failing to properly mark the test date on a portable tank. | Hazardous Materials Compliance | — |
| Jul 21, 2025 | 3922SLLMF | State/Local Laws - Wheel (mud) flaps missing or defective | Vehicle Maintenance | — |
| Jul 21, 2025 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Jul 21, 2025 | 3969D2FTF | Failing to correct the violation(s)/defect(s) noted on the roadside inspection report | Vehicle Maintenance | — |
| Jan 30, 2025 | 172519D4HMPMC | HM (Placarding) - Placard color failing to extend to inner border | Hazardous Materials Compliance | — |
| Jan 30, 2025 | 180415HMTMC | HM (Testing) - Failing to properly mark cargo tank test dates as required | Hazardous Materials Compliance | — |
| Jan 30, 2025 | 393203ACBP | Cab and Body Parts - Door missing/broken | Vehicle Maintenance | — |
| Jan 30, 2025 | 39378WOOS | Wipers - Inoperative/missing/damaged on drivers side during inclement weather requiring use of the windshield wipers | Vehicle Maintenance | — |
| Jan 30, 2025 | 3969D2FTF | Failing to correct the violation(s)/defect(s) noted on the roadside inspection report | Vehicle Maintenance | — |