Robertson'S Ready Mix Ltd is an active interstate carrier based in Corona, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 84 | 164 | 0 |
| Tractors | 806 | 185 | 0 |
| Trailers | 14 | 0 | 0 |
| Total Power Units | 1,239 | ||
Distinct vehicles · 24 mo
vs 1,239 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 89% | 93% | Worse than most peers |
| HOS Compliance | 79% | 92% | Worse than most peers |
| Driver Fitness | 68% | 96% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 89% | 87% | 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 | 5 | — | 6.67% |
| Vehicle | 0 | 20 | — | 22.26% |
| Hazmat | 2 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 1 | 2 | 2 |
| Jul 1, 2025 | 0 | 2 | 3 | 3 |
| Apr 1, 2025 | 0 | 0 | 5 | 5 |
| Jan 1, 2025 | 0 | 3 | 2 | 2 |
| Oct 1, 2024 | 0 | 1 | 2 | 2 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 122 | 26 | 24 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 24, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Mar 23, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Mar 18, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Mar 13, 2026 | CA | STRAIGHT TRUCK | 2 | 1 |
| Mar 12, 2026 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 15 | 0.09 | — |
| HOS Compliance | 2 | 0.03 | — |
| Vehicle Maintenance | 75 | 2.53 | — |
| Driver Fitness | 3 | 0.13 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state CA accounts for 87% of activity. Activity outside home state (CA): 13%.
| Jul 1, 2024 |
| 0 |
| 4 |
| 6 |
| 7 |
| Unsafe Driving |
| 15 |
| 3 |
| 0 |
| Driver Fitness | 3 | 3 | 3 |
| Hours-of-Service Compliance | 2 | 0 | 1 |
| CA |
| TRUCK TRACTOR |
| 1 |
| 1 |
| Mar 5, 2026 | CA | STRAIGHT TRUCK | 1 | 0 |
| Feb 24, 2026 | NV | STRAIGHT TRUCK | 0 | 0 |
| Feb 18, 2026 | CA | STRAIGHT TRUCK | 3 | 1 |
| Feb 9, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jan 27, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 13, 2026 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Mar 13, 2026 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Mar 12, 2026 | 393205AWRBH | Wheel/Rim - Cracks between two holes | Vehicle Maintenance | Yes |
| Mar 5, 2026 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Feb 18, 2026 | 39311A1LBL | Lighting - Backup lamp missing | Vehicle Maintenance | — |
| Feb 18, 2026 | 3939ALFTSI | Lighting - Front - Turn signal - inoperative | Vehicle Maintenance | — |
| Feb 18, 2026 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Jan 23, 2026 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Jan 23, 2026 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Jan 23, 2026 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |