DBA: J & M Express
Juan S Lopez is an active interstate carrier based in Mendota, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 2 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Trailers | 2 | 0 | 0 |
| Total Power Units | 2 | ||
Distinct vehicles · 24 mo
vs 2 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 98% | 99% | Worse than most peers |
| HOS Compliance | 91% | 96% | Worse than most peers |
| Driver Fitness | 95% | 98% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 98% | 99% | 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 | 4 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 17 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Nov 19, 2025 | CA | TRUCK TRACTOR | 7 | 1 |
| Nov 14, 2025 | CA | TRUCK TRACTOR | 3 | 1 |
| Sep 18, 2025 | WY | TRUCK TRACTOR | 1 | 1 |
| Sep 3, 2025 | CA | TRUCK TRACTOR |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 1
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 11.77 | — |
| HOS Compliance | 2 | 1.00 | — |
| Vehicle Maintenance | 4 | 16.28 | — |
| Driver Fitness | 1 | 1.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 4 states. Top state CA accounts for 67% of activity. Activity outside home state (CA): 33%.
| 4 |
| Hours-of-Service Compliance | 3 | 1 | 0 |
| Driver Fitness | 2 | 0 | 1 |
| Unsafe Driving | 2 | 1 | 0 |
| 0 |
| Jul 18, 2025 | CA | TRUCK TRACTOR | 6 | 2 |
| Sep 28, 2024 | CA | TRUCK TRACTOR | 2 | 0 |
| Jun 29, 2024 | CA | TRUCK TRACTOR | 0 | 0 |
| Jun 13, 2024 | NV | TRUCK TRACTOR | 1 | 0 |
| May 31, 2024 | UT | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Nov 19, 2025 | 39347D2BLTBD | Drum Brake - Inadequate lining/pad thickness | Vehicle Maintenance | — |
| Nov 19, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Nov 19, 2025 | 39348ABIBD | Drum Brake - Inoperative other than a steering axle | Vehicle Maintenance | — |
| Nov 19, 2025 | 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 | — |
| Nov 19, 2025 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Nov 19, 2025 | 3939ALFTSI | Lighting - Front - Turn signal - inoperative | Vehicle Maintenance | — |
| Nov 19, 2025 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Nov 14, 2025 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Nov 14, 2025 | 39524DELDPT | HOS (ELD) - On request by an authorized safety official a driver must produce and transfer from an ELD the driver's hours of service records in accordance with t | Hours-of-Service Compliance | — |
| Nov 14, 2025 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |