Sierra Transport Llc is an active interstate carrier based in American Fork, UT.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 4 | 0 | 0 |
| Tractors | 4 | 0 | 0 |
| Trailers | 4 | 0 | 0 |
| Total Power Units | 4 | ||
Distinct vehicles · 24 mo
vs 4 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 | 0% | 0% | Better than most peers |
| HOS Compliance | 91% | 94% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 80% | 89% | 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 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 8 | 2 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Oct 28, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Oct 8, 2025 | CA | TRUCK TRACTOR | 3 | 1 |
| Jan 7, 2025 | UT | TRUCK TRACTOR | 1 | 0 |
| Nov 11, 2024 | ID | TRUCK TRACTOR | 2 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 2 | 0.18 | — |
| Vehicle Maintenance | 4 | 7.33 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Inspected in 4 states. Top state CA accounts for 43% of activity. Activity outside home state (UT): 71%.
| Hours-of-Service Compliance |
| 2 |
| 0 |
| 0 |
| Aug 29, 2024 |
| UT |
| TRUCK TRACTOR |
| 2 |
| 0 |
| Jun 11, 2024 | CA | TRUCK TRACTOR | 1 | 0 |
| Apr 9, 2024 | AZ | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Oct 8, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Oct 8, 2025 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| Oct 8, 2025 | 3965BHWSL | Hubs - Wheel seal leaking | Vehicle Maintenance | Yes |
| Jan 7, 2025 | 3958A | HOS (Form) - Paper Log/Logging Programs Form and Manner | Hours-of-Service Compliance | — |
| Nov 11, 2024 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Nov 11, 2024 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Aug 29, 2024 | 39347D2BLTBD | Drum Brake - Inadequate lining/pad thickness | Vehicle Maintenance | — |
| Aug 29, 2024 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Jun 11, 2024 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Apr 9, 2024 | 39530B1ELDDFR | HOS (ELD) - Driver failing to review records and certify the accuracy of the information. | Hours-of-Service Compliance | — |