Double K Underground Inc is an active intrastate non-hazmat carrier based in Six Lakes, MI.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 19 | 0 | 0 |
| Tractors | 6 | 0 | 0 |
| Trailers | 20 | 0 | 0 |
| Total Power Units | 25 | ||
Distinct vehicles · 24 mo
vs 25 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 93% | 97% | Worse than most peers |
| HOS Compliance | 89% | 98% | Worse than most peers |
| Driver Fitness | 97% | 99% | Worse than most peers |
| Controlled Substances | 97% | 100% | Worse than most peers |
| Vehicle Maintenance | 98% | 98% | 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 | 14 | — | 6.67% |
| Vehicle | 0 | 14 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 2 | 3 | 3 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 55 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Dec 8, 2025 | MI | STRAIGHT TRUCK | 2 | 0 |
| Dec 5, 2025 | MI | STRAIGHT TRUCK | 3 | 1 |
| Nov 19, 2025 | MI | STRAIGHT TRUCK | 1 | 0 |
| Nov 19, 2025 | MI | TRUCK TRACTOR | 7 |
| Category |
|---|
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 11 | 3.35 | — |
| HOS Compliance | 2 | 0.40 | — |
| Vehicle Maintenance | 11 | 16.18 | Alert |
| Driver Fitness | 16 | 4.12 | Alert |
| Controlled Substances | 1 | 0.16 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state MI accounts for 100% of activity. Activity outside home state (MI): 0%.
| 17 |
| Driver Fitness | 20 | 8 | 14 |
| Unsafe Driving | 13 | 7 | 0 |
| Hours-of-Service Compliance | 2 | 0 | 1 |
| Controlled Substances/​Alcohol | 1 | 0 | 1 |
| Oct 29, 2025 | MI | STRAIGHT TRUCK | 0 | 0 |
| Oct 29, 2025 | MI | STRAIGHT TRUCK | 13 | 6 |
| Oct 20, 2025 | MI | STRAIGHT TRUCK | 5 | 2 |
| Oct 3, 2025 | MI | STRAIGHT TRUCK | 1 | 1 |
| Sep 30, 2025 | MI | TRUCK TRACTOR | 5 | 2 |
| Sep 8, 2025 | MI | STRAIGHT TRUCK | 1 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Dec 8, 2025 | 39141AMCPC | Medical (Certificate) - Operating a commercial vehicle without showing proof of a valid medical certification upon request when medical certification is required. | Driver Fitness | — |
| Dec 8, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Dec 5, 2025 | 3922SLLCP | State/Local Laws - Operate a CMV while using a cellular phone | Unsafe Driving | — |
| Dec 5, 2025 | 39343DBMA | Brake - Breakaway not attached to the towing vehicle | Vehicle Maintenance | Yes |
| Dec 5, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Nov 19, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Nov 19, 2025 | 38323A2LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | Driver Fitness | Yes |
| Nov 19, 2025 | 39141APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | Yes |
| Nov 19, 2025 | 39325EL | Lighting - Lamps (other than headlamps) not steady burning as required | Vehicle Maintenance | — |
| Nov 19, 2025 | 39343DBMA | Brake - Breakaway not attached to the towing vehicle | Vehicle Maintenance | Yes |