Superior Service Transport Inc is an active interstate carrier based in Salt Lake City, UT.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 8 | 0 | 0 |
| Tractors | 69 | 0 | 0 |
| Trailers | 194 | 0 | 0 |
| Total Power Units | 77 | ||
Distinct vehicles · 24 mo
vs 77 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 64% | 92% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 82% | 91% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 10 | — | 22.26% |
| Hazmat | 1 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 0 | 1 | 1 |
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
| Apr 1, 2025 | 0 | 0 | 1 | 1 |
| Oct 1, 2024 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 52 | 12 | 10 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 12, 2026 | UT | TRUCK TRACTOR | 4 | 0 |
| Mar 10, 2026 | UT | TRUCK TRACTOR | 9 | 2 |
| Jan 28, 2026 | NV | TRUCK TRACTOR | 0 | 0 |
| Dec 8, 2025 | UT | TRUCK TRACTOR | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 0.20 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 16 | 9.53 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state UT accounts for 90% of activity. Activity outside home state (UT): 10%.
| Unsafe Driving | 2 | 0 | 0 |
| Nov 10, 2025 |
| UT |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Oct 21, 2025 | UT | TRUCK TRACTOR | 0 | 0 |
| Oct 20, 2025 | UT | TRUCK TRACTOR | 8 | 4 |
| Aug 27, 2025 | NV | TRUCK TRACTOR | 1 | 0 |
| May 12, 2025 | UT | TRUCK TRACTOR | 2 | 1 |
| May 7, 2025 | UT | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 12, 2026 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Mar 12, 2026 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Mar 12, 2026 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |
| Mar 12, 2026 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Mar 10, 2026 | 393209ESPSLA | Steering - Power steering leaking anywhere. | Vehicle Maintenance | — |
| Mar 10, 2026 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Mar 10, 2026 | 3939ALHWS | Lighting - Hazard warning signal(s) inoperative | Vehicle Maintenance | — |
| Mar 10, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Mar 10, 2026 | 3939ALLPL | Lighting - License plate lamp inoperative | Vehicle Maintenance | — |
| Mar 10, 2026 | 3939ALSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | Vehicle Maintenance | Yes |