Sonoma Underground Services is an active interstate carrier based in New Lenox, IL.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 5 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 5 | 0 | 0 |
| Total Power Units | 6 | ||
Distinct vehicles · 24 mo
vs 6 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 91% | 94% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 90% | 95% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 72% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 5 | 1 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 21, 2026 | IL | STRAIGHT TRUCK | 2 | 2 |
| Feb 3, 2026 | IL | STRAIGHT TRUCK | 2 | 1 |
| Jan 30, 2026 | IL | OTHER | 1 | 0 |
| Oct 20, 2025 | WI | STRAIGHT TRUCK | 0 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 3.48 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 2.45 | — |
| Driver Fitness | 1 | 0.45 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 2 states. Top state IL accounts for 75% of activity. Activity outside home state (IL): 25%.
| Vehicle Maintenance |
| 4 |
| 0 |
| 1 |
| Driver Fitness | 2 | 0 | 1 |
| Mar 17, 2025 | IL | OTHER | 2 | 0 |
| Feb 26, 2025 | WI | STRAIGHT TRUCK | 1 | 0 |
| Oct 11, 2024 | IL | STRAIGHT TRUCK | 0 | 0 |
| Mar 28, 2024 | IL | STRAIGHT TRUCK | 3 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 21, 2026 | 39141A1FPC | Operating a property-carrying vehicle without possessing a valid medical certificate. Previously Cited on [DATE] | Driver Fitness | Yes |
| Mar 21, 2026 | 3922FC | Following too close | Unsafe Driving | — |
| Feb 3, 2026 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | Yes |
| Feb 3, 2026 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| Jan 30, 2026 | 3922LC | Improper lane change | Unsafe Driving | — |
| Mar 17, 2025 | 39378 | Wipers - Inoperative / missing / damaged wipers | Vehicle Maintenance | — |
| Mar 17, 2025 | 39395A | No/discharged/unsecured fire extinguisher | Vehicle Maintenance | — |
| Feb 26, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Mar 28, 2024 | 39141A | Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency. History of either fail | Driver Fitness | — |
| Mar 28, 2024 | 3922LC | Improper lane change | Unsafe Driving | — |