DBA: Pioneer Materials West Slope
Pioneer Materials West Inc is an active interstate carrier based in Centennial, CO.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 26 | 22 | 0 |
| Trailers | 23 | 8 | 0 |
| Total Power Units | 48 | ||
Distinct vehicles · 24 mo
vs 48 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 72% | 95% | Around peer average |
| HOS Compliance | 90% | 97% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 51% | 88% | 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 | 3 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 8 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 4, 2026 | CO | STRAIGHT TRUCK | 0 | 0 |
| Feb 25, 2026 | CO | STRAIGHT TRUCK | 0 | 0 |
| Feb 2, 2026 | CO | STRAIGHT TRUCK | 1 | 0 |
| Jan 21, 2026 | CO | STRAIGHT TRUCK | 1 | 0 |
| Dec 9, 2025 |
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| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.11 | — |
| HOS Compliance | 2 | 0.25 | — |
| Vehicle Maintenance | 6 | 1.78 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state CO accounts for 86% of activity. Activity outside home state (CO): 14%.
| 2 |
| Hours-of-Service Compliance | 4 | 1 | 0 |
| Unsafe Driving | 1 | 0 | 0 |
| CO |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Nov 20, 2025 | WY | STRAIGHT TRUCK | 5 | 0 |
| Oct 30, 2025 | CO | STRAIGHT TRUCK | 0 | 0 |
| Oct 21, 2025 | CO | STRAIGHT TRUCK | 0 | 0 |
| Oct 14, 2025 | CO | STRAIGHT TRUCK | 0 | 0 |
| Sep 11, 2025 | CO | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 2, 2026 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Jan 21, 2026 | 39311A1LLPL | Lighting - License plate lamp missing | Vehicle Maintenance | — |
| Nov 20, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Nov 20, 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 20, 2025 | 39355C2B | Air Brake - CMV other than truck-tractor manufactured on or after March 1 1998 not equipped with an antilock brake system. System does not function or indicates | Vehicle Maintenance | — |
| Nov 20, 2025 | 39524C2IIELDTN | HOS (ELD) - Driver failing to manually input or verify CMV trailer number. | Hours-of-Service Compliance | — |
| Nov 20, 2025 | 39524C2IIIELDSDN | HOS (ELD) - Driver failing to manually input or verify shipping document number. | Hours-of-Service Compliance | — |
| Aug 26, 2025 | 3965BHWSL | Hubs - Wheel seal leaking | Vehicle Maintenance | Yes |
| Jun 26, 2025 | 39311A1LLPL | Lighting - License plate lamp missing | Vehicle Maintenance | — |
| Dec 30, 2024 | 3922SLTFC | State/Local Laws - Speeding basic rule/speed too fast for conditions | Unsafe Driving | — |