DBA: Interwest Transportation
Interwest Transportation 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 | 1 | 0 | 0 |
| Tractors | 11 | 5 | 0 |
| Trailers | 60 | 2 | 0 |
| Total Power Units | 17 | ||
Distinct vehicles · 24 mo
vs 17 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 94% | 96% | Worse than most peers |
| HOS Compliance | 91% | 95% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 63% | 86% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 0 | 1 | 1 |
| Jul 1, 2025 | 1 | 0 | 0 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 16 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 12, 2026 | UT | TRUCK TRACTOR | 1 | 0 |
| Mar 11, 2026 | ID | TRUCK TRACTOR | 3 | 0 |
| Feb 19, 2026 | UT | TRUCK TRACTOR | 0 | 0 |
| Jan 27, 2026 | ID | TRUCK TRACTOR | 0 | 0 |
| Jan 20, 2026 |
Harrington Trucking Inc
No alertsSalt Lake City, UT · 17 units
Ptc Air Freight
No alertsSalt Lake City, UT · 17 units
Advanced Shoring & Underpinning Inc
No alertsSalt Lake City, UT · 17 units
Bhs Marketing Llc
No alertsSalt Lake City, UT · 17 units
Breithling Brothers Construction Company
No alertsSalt Lake City, UT · 17 units
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 6 | 2.89 | — |
| HOS Compliance | 5 | 0.64 | — |
| Vehicle Maintenance | 10 | 3.88 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 5 states. Top state UT accounts for 48% of activity. Activity outside home state (UT): 52%.
| 1 |
| Hours-of-Service Compliance | 8 | 3 | 0 |
| Unsafe Driving | 6 | 2 | 0 |
| UT |
| TRUCK TRACTOR |
| 2 |
| 0 |
| Jan 15, 2026 | AZ | TRUCK TRACTOR | 3 | 0 |
| Jan 8, 2026 | UT | TRUCK TRACTOR | 0 | 0 |
| Jan 6, 2026 | OR | TRUCK TRACTOR | 0 | 0 |
| Dec 10, 2025 | UT | TRUCK TRACTOR | 0 | 0 |
| Nov 10, 2025 | UT | TRUCK TRACTOR | 2 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 12, 2026 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Mar 11, 2026 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Mar 11, 2026 | 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 | — |
| Mar 11, 2026 | 39355C1B | Air Brake - Truck-tractor manufactured on or after March 1 1997 not equipped with an ABS system. System does not function or indicates a fault. | Vehicle Maintenance | — |
| Jan 20, 2026 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Jan 20, 2026 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Jan 15, 2026 | 39311BCSLRR | Conspicuity Systems - Trailers lower rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1 1993 | Vehicle Maintenance | — |
| Jan 15, 2026 | 39311BCSURR | Conspicuity Systems - Trailers upper rear retro reflective sheeting inadequate on vehicle manufactured on or after December 1 1993 | Vehicle Maintenance | — |
| Jan 15, 2026 | 3958EHOSPD | HOS (Property) - No driver may make a false report in connection with a duty status. Explain | Hours-of-Service Compliance | — |
| Nov 10, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |