Horizon Underground Inc is an active interstate carrier based in Norco, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 32 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 17 | 0 | 0 |
| Total Power Units | 33 | ||
Distinct vehicles · 24 mo
vs 33 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 | 93% | 95% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 87% | 91% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 4 | — | 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 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Sep 19, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Sep 3, 2025 | OR | STRAIGHT TRUCK | 4 | 1 |
| Apr 1, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Apr 1, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Apr 1, 2025 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 3 | 1.11 | — |
| Vehicle Maintenance | 5 | 5.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 3 states. Top state CA accounts for 82% of activity. Activity outside home state (CA): 18%.
| 4 |
| Hours-of-Service Compliance | 3 | 0 | 1 |
| CA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Apr 1, 2025 | CA | STRAIGHT TRUCK | 2 | 2 |
| Mar 15, 2025 | CA | STRAIGHT TRUCK | 1 | 1 |
| Sep 17, 2024 | CA | STRAIGHT TRUCK | 1 | 0 |
| Sep 13, 2024 | AZ | STRAIGHT TRUCK | 1 | 1 |
| Aug 8, 2024 | CA | TRUCK TRACTOR | 2 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Sep 3, 2025 | 39345DBAAL | Air Brake - Audible air leak at other than a proper connection | Vehicle Maintenance | Yes |
| Sep 3, 2025 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Sep 3, 2025 | 3958A | HOS (Form) - Paper Log/Logging Programs Form and Manner | Hours-of-Service Compliance | — |
| Sep 3, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Apr 1, 2025 | 393207ASUBL | Suspension - U-bolt u-bolt bottom plate or other axle clamp bolt loose/cracked/broken/missing. | Vehicle Maintenance | Yes |
| Apr 1, 2025 | 39343DB | Brake - Missing or inoperable breakaway braking system on a trailer(s) or converter dolly | Vehicle Maintenance | Yes |
| Mar 15, 2025 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Sep 17, 2024 | 3963A1B | Brakes (general) Explain: | Vehicle Maintenance | — |
| Sep 13, 2024 | 3958K2HOSP | HOS (Property) - Failing to have in possession RODS for the previous seven consecutive days and available for inspection while on duty | Hours-of-Service Compliance | Yes |
| Aug 8, 2024 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |