Kb Roadking Inc is an active interstate carrier based in Stockton, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 4 | 0 | 0 |
| Tractors | 4 | 0 | 0 |
| Trailers | 3 | 1 | 0 |
| Total Power Units | 4 | ||
Distinct vehicles · 24 mo
vs 4 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 92% | 96% | Worse than most peers |
| HOS Compliance | 98% | 99% | Worse than most peers |
| Driver Fitness | 85% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 79% | 92% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 2 | — | 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 |
|---|---|---|---|
| Hours-of-Service Compliance |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 5, 2026 | AZ | TRUCK TRACTOR | 7 | 2 |
| Dec 25, 2025 | IA | TRUCK TRACTOR | 3 | 0 |
| Nov 21, 2025 | IA | TRUCK TRACTOR | 1 | 0 |
| Nov 11, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 4.50 | — |
| HOS Compliance | 4 | 3.78 | — |
| Vehicle Maintenance | 2 | 6.60 | — |
| Driver Fitness | 1 | 0.15 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 6 states. Top state CA accounts for 45% of activity. Activity outside home state (CA): 55%.
+1 other state with fewer inspections
| 6 |
| 4 |
| 1 |
| Vehicle Maintenance | 5 | 1 | 2 |
| Driver Fitness | 1 | 0 | 0 |
| Unsafe Driving | 1 | 0 | 0 |
| Oct 31, 2025 |
| IL |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Oct 24, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Aug 17, 2025 | UT | TRUCK TRACTOR | 0 | 0 |
| Feb 8, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Feb 8, 2025 | CA | TRUCK TRACTOR | 1 | 1 |
| Oct 29, 2024 | CA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 5, 2026 | 38371H | License (CDL) - CDL or CLP holder possesses a valid medical certificate but is not on file with the issuing state driver's licensing agency as required | Driver Fitness | — |
| Mar 5, 2026 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Mar 5, 2026 | 39311A1CSLRR | Conspicuity Systems - Truck tractor lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Mar 5, 2026 | 39311BCSRIGRR | Conspicuity Systems - Trailers rear impact guard retro reflective sheeting inadequate on vehicle manufactured on or after December 1 1993 | Vehicle Maintenance | — |
| Mar 5, 2026 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Mar 5, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Mar 5, 2026 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Dec 25, 2025 | 3953A2PROP | Driving beyond 14 hour duty period (Property carrying vehicle) | Hours-of-Service Compliance | — |
| Dec 25, 2025 | 3953A3PROP | Driving beyond 11 hour driving limit. (Property Carrying Vehicle) | Hours-of-Service Compliance | — |
| Dec 25, 2025 | 3958E | False report of drivers record of duty status | Hours-of-Service Compliance | — |