Double Diamond Transport Inc is an active interstate carrier based in San Antonio, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 68 | 0 | 0 |
| Tractors | 0 | 68 | 0 |
| Trailers | 288 | 0 | 0 |
| Total Power Units | 68 | ||
Distinct vehicles · 24 mo
vs 68 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 67% | 93% | Around peer average |
| HOS Compliance | 69% | 91% | Around peer average |
| Driver Fitness | 52% | 91% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 68% | 78% | Around peer average |
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 | 28 | — | 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 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 230 | 54 | 32 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 23, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Mar 5, 2026 | TX | TRUCK TRACTOR | 2 | 2 |
| Mar 5, 2026 | TX | TRUCK TRACTOR | 5 | 0 |
| Mar 2, 2026 | TX | TRUCK TRACTOR | 1 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 4 | 0.32 | — |
| HOS Compliance | 12 | 0.18 | — |
| Vehicle Maintenance | 110 | 5.65 | — |
| Driver Fitness | 1 | 0.06 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state TX accounts for 100% of activity. Activity outside home state (TX): 0%.
| Hours-of-Service Compliance |
| 17 |
| 1 |
| 0 |
| Unsafe Driving | 4 | 0 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| Feb 25, 2026 |
| TX |
| TRUCK TRACTOR |
| 1 |
| 0 |
| Feb 13, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Feb 9, 2026 | TX | TRUCK TRACTOR | 5 | 1 |
| Feb 6, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Feb 5, 2026 | TX | TRUCK TRACTOR | 1 | 0 |
| Feb 4, 2026 | TX | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 5, 2026 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Mar 5, 2026 | 39375A3TAOLTIS | Tires - All others leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS | Vehicle Maintenance | Yes |
| Mar 5, 2026 | 393209E | Power steering violations | Vehicle Maintenance | — |
| Mar 5, 2026 | 39345B2UV | Brake Hose or Tubing Chafing and/or Kinking Under Vehicle | Vehicle Maintenance | — |
| Mar 5, 2026 | 39345DLPC | Brake Connections with Leaks - Connection to Power Unit | Vehicle Maintenance | — |
| Mar 5, 2026 | 39350D | No/Defective air reservoir drain valve | Vehicle Maintenance | — |
| Mar 5, 2026 | 3965B | Oil and/or grease leak | Vehicle Maintenance | — |
| Mar 2, 2026 | 39355D3 | No or Defective ABS Malfunction Indicator for towed vehicles on vehicles manufactured after February 2001 | Vehicle Maintenance | — |
| Feb 25, 2026 | 3963A1 | Inspection repair and maintenance of parts and accessories | Vehicle Maintenance | — |
| Feb 9, 2026 | 39311 | No or defective lighting devices or reflective material as required | Vehicle Maintenance | — |