Road King Truck Lines Inc is an active interstate carrier based in Tracy, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 25 | 0 | 0 |
| Tractors | 25 | 0 | 0 |
| Trailers | 32 | 0 | 0 |
| Total Power Units | 25 | ||
Distinct vehicles · 24 mo
vs 25 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 94% | 95% | Worse than most peers |
| HOS Compliance | 97% | 97% | Worse than most peers |
| Driver Fitness | 77% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 91% | 93% | 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 | 7 | — | 6.67% |
| Vehicle | 0 | 6 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Apr 1, 2025 | 0 | 0 | 1 | 1 |
| Jan 1, 2025 | 0 | 0 | 1 | 1 |
| Oct 1, 2024 | 0 | 0 | 1 | 1 |
| Jul 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 37 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 9, 2026 | LA | TRUCK TRACTOR | 1 | 0 |
| Jan 31, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Jan 16, 2026 | KS | TRUCK TRACTOR | 3 | 3 |
| Jan 16, 2026 | LA | TRUCK TRACTOR | 1 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 15 | 3.52 | — |
| HOS Compliance | 17 | 2.22 | — |
| Vehicle Maintenance | 17 | 6.22 | — |
| Driver Fitness | 2 | 0.10 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 23 states. Top state CA accounts for 27% of activity. Activity outside home state (CA): 73%.
+18 other states with fewer inspections
| 5 |
| Hours-of-Service Compliance | 27 | 10 | 7 |
| Unsafe Driving | 17 | 3 | 0 |
| Driver Fitness | 2 | 0 | 0 |
| Sep 12, 2025 |
| MO |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Aug 26, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Aug 14, 2025 | SC | TRUCK TRACTOR | 1 | 0 |
| Aug 12, 2025 | CA | TRUCK TRACTOR | 2 | 0 |
| Aug 8, 2025 | TN | TRUCK TRACTOR | 0 | 0 |
| Jul 26, 2025 | NV | TRUCK TRACTOR | 2 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 9, 2026 | 39222AD | Driver - Failed to activate hazard warning signal flashers | Unsafe Driving | — |
| Jan 16, 2026 | 3953A2HOSPDIT | HOS (Property) - Driver driving beyond the 14 hour after coming on duty following 10 consecutive hours off duty at the time of inspection. Time | Hours-of-Service Compliance | Yes |
| Jan 16, 2026 | 3953A3IHOSPDIT | HOS (Property) - Driving more than 11 hours following 10 consecutive hours off duty at the time of inspection. Time | Hours-of-Service Compliance | Yes |
| Jan 16, 2026 | 3958E1PCOOS | HOS - False record of duty status that concealed an HOS limitation violation after the last rest period. Driver improperly used Personal Conveyance | Hours-of-Service Compliance | Yes |
| Jan 16, 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 | — |
| Aug 14, 2025 | 3953AII | Driving beyond 8 hour driving limit since the end of the last on duty off duty or sleeper berth period of at least 30 consecutive minutes | Hours-of-Service Compliance | — |
| Aug 12, 2025 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Aug 12, 2025 | 39375CTAOTDLT132 | Tires - Less than 1/32 inch tread depth at 3 locations/2 adjacent tread grooves | Vehicle Maintenance | — |
| Jul 26, 2025 | 39522GELDMFV | HOS (ELD) - A portable ELD is not mounted in a fixed position and visible to the driver when seated in the normal driving position. | Hours-of-Service Compliance | — |
| Jul 26, 2025 | 39530B2ELDDFC24 | HOS (ELD) - Driver failing to certify the record immediately after the final required entry has been made or corrected for the 24 hour period. | Hours-of-Service Compliance | — |