Jb Dewar Inc is an active intrastate hazmat carrier based in San Luis Obispo, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 6 | 0 | 0 |
| Total Power Units | 13 | ||
Distinct vehicles · 24 mo
vs 13 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 | 70% | 93% | Around peer average |
| 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 | 54% | 85% | 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 | 0 | — | 22.26% |
| Hazmat | 3 | 0 | 0.00% | 4.44% |
Where they run
Inspected in 1 state. Top state CA accounts for 100% of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 2 | 0 | 0 |
| Hazardous Materials Compliance | 1 | 0 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Aug 18, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| May 30, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| Apr 30, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| Aug 20, 2024 | CA | STRAIGHT TRUCK | 2 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.32 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 1 | 1.71 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Vehicle Maintenance |
| 1 |
| 1 |
| 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| May 30, 2025 | 172600C1HMER | HM (Emergency Response) - No emergency response information immediately available | Hazardous Materials Compliance | — |
| Apr 30, 2025 | 3939ALFTSI | Lighting - Front - Turn signal - inoperative | Vehicle Maintenance | — |
| Aug 20, 2024 | 3922LV | Lane Restriction violation | Unsafe Driving | — |
| Aug 20, 2024 | 3973 | State/local laws ordinances regulations | Unsafe Driving | — |