United Drivers Alliance is an active interstate carrier based in Rialto, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 10 | 0 | 0 |
| Tractors | 10 | 0 | 0 |
| Trailers | 24 | 0 | 0 |
| Total Power Units | 10 | ||
Distinct vehicles · 24 mo
vs 10 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 | 87% | 95% | Worse than most peers |
| Driver Fitness | 81% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 81% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 11 | — | 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 |
|---|---|---|---|
| Vehicle Maintenance | 48 | 13 | 13 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 21, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Mar 21, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Mar 17, 2026 | CA | TRUCK TRACTOR | 4 | 2 |
| Feb 14, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Feb 2, 2026 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 4.10 | — |
| HOS Compliance | 11 | 0.74 | — |
| Vehicle Maintenance | 19 | 5.33 | — |
| Driver Fitness | 1 | 0.11 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 10 states. Top state CA accounts for 59% of activity. Activity outside home state (CA): 41%.
+5 other states with fewer inspections
| Hours-of-Service Compliance | 13 | 1 | 2 |
| Unsafe Driving | 5 | 1 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| CA |
| TRUCK TRACTOR |
| 3 |
| 1 |
| Jan 30, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Jan 30, 2026 | CA | SEMI-TRAILER | 0 | 0 |
| Jan 23, 2026 | NM | TRUCK TRACTOR | 0 | 0 |
| Dec 13, 2025 | CA | TRUCK TRACTOR | 5 | 3 |
| Dec 9, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 17, 2026 | 3922SLLMF | State/Local Laws - Wheel (mud) flaps missing or defective | Vehicle Maintenance | — |
| Mar 17, 2026 | 393207FSDAS | Suspension - Deflated air suspension | Vehicle Maintenance | — |
| Mar 17, 2026 | 39345DBAAL | Air Brake - Audible air leak at other than a proper connection | Vehicle Maintenance | Yes |
| Mar 17, 2026 | 3965BHWSL | Hubs - Wheel seal leaking | Vehicle Maintenance | Yes |
| Feb 2, 2026 | 393207ASTCB | Suspension - Suspension connecting rod or tracking component assembly (including spring leaves used as a suspension connecting rod) or any part used for attaching | Vehicle Maintenance | Yes |
| Feb 2, 2026 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Feb 2, 2026 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |
| Dec 13, 2025 | 393205AWRBH | Wheel/Rim - Cracks between two holes | Vehicle Maintenance | Yes |
| Dec 13, 2025 | 393205AWRDC | Wheel/Rim - Disc wheel cracked more than 3 inches | Vehicle Maintenance | Yes |
| Dec 13, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |