West Penn Aggregates Inc is an active interstate carrier based in Slippery Rock, PA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 70 | 0 | 0 |
| Total Power Units | 70 | ||
Distinct vehicles · 24 mo
vs 70 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 | 47% | 87% | 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 | 43% | 82% | 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 | 4 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 10 | 1 | 5 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 9, 2026 | PA | STRAIGHT TRUCK | 3 | 2 |
| Feb 18, 2026 | OH | STRAIGHT TRUCK | 0 | 0 |
| Feb 5, 2026 | PA | STRAIGHT TRUCK | 0 | 0 |
| Jan 29, 2026 | PA | STRAIGHT TRUCK | 0 | 0 |
| Jan 29, 2026 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 0.28 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 6 | 1.83 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state PA accounts for 94% of activity. Activity outside home state (PA): 6%.
| Unsafe Driving |
| 5 |
| 4 |
| 0 |
| PA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Jan 28, 2026 | PA | STRAIGHT TRUCK | 0 | 0 |
| Jan 28, 2026 | PA | STRAIGHT TRUCK | 0 | 0 |
| Jan 28, 2026 | PA | STRAIGHT TRUCK | 0 | 0 |
| Jan 15, 2026 | PA | STRAIGHT TRUCK | 0 | 0 |
| Jan 15, 2026 | PA | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 9, 2026 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Mar 9, 2026 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Mar 9, 2026 | 3965HL | Hubs - Leaking hub | Vehicle Maintenance | Yes |
| Dec 12, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Jul 30, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Jul 30, 2025 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| May 6, 2025 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Mar 10, 2025 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| Dec 17, 2024 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Dec 17, 2024 | 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 | — |