Mountain High Excavating Llc is an active intrastate non-hazmat carrier based in Flagstaff, AZ.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 12 | 0 | 0 |
| Tractors | 11 | 0 | 0 |
| Trailers | 5 | 0 | 0 |
| Total Power Units | 23 | ||
Distinct vehicles · 24 mo
vs 23 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 | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 68% | 83% | 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 |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 7 | 2 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Aug 7, 2025 | AZ | STRAIGHT TRUCK | 0 | 0 |
| Jul 31, 2025 | AZ | TRUCK TRACTOR | 2 | 0 |
| Oct 23, 2024 | AZ | TRUCK TRACTOR | 0 | 0 |
| Oct 23, 2024 | AZ | TRUCK TRACTOR | 0 | 0 |
| Oct 23, 2024 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 3.45 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state AZ accounts for 100% of activity. Activity outside home state (AZ): 0%.
| AZ |
| STRAIGHT TRUCK |
| 1 |
| 1 |
| Oct 22, 2024 | AZ | TRUCK TRACTOR | 0 | 0 |
| Oct 10, 2024 | AZ | STRAIGHT TRUCK | 1 | 0 |
| Aug 19, 2024 | AZ | TRUCK TRACTOR | 0 | 0 |
| May 16, 2024 | AZ | STRAIGHT TRUCK | 0 | 0 |
| May 14, 2024 | AZ | STRAIGHT TRUCK | 3 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jul 31, 2025 | 39311A1LLPL | Lighting - License plate lamp missing | Vehicle Maintenance | — |
| Jul 31, 2025 | 3939ALTSIR | Lighting - Turn signal -Any inoperative on a unit that is not the rearmost unit | Vehicle Maintenance | — |
| Oct 23, 2024 | 3963A1CDHSLMII | Semi-Trailer - Loose mounting missing or ineffective fasteners insecure latch or not in use when required. | Vehicle Maintenance | Yes |
| Oct 10, 2024 | 3963A1OAL | Other - Any air leak not attributed to the brake or suspension system. | Vehicle Maintenance | — |
| May 14, 2024 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| May 14, 2024 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| May 14, 2024 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |