DARLENE SIMPSON
USDOT 1875477 · Doing business as GREGG SIMPSON TRUCKING
Active, intrastate (non-hazmat) carrier, small fleet (10 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate25% vs 19.1% national avg
- Crashes (24 months)1 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 1875477 |
|---|---|
| MC Number | MC-692026 |
| Legal Name | DARLENE SIMPSON |
| DBA Name | GREGG SIMPSON TRUCKING |
| Entity Type | — |
| Phone | 7074681654 |
| Address | 250 LAKE MENDOCINO DR, Ukiah, CA, 95482 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Intrastate (Non-Hazmat) |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 4 |
|---|---|
| Out-of-Service Rate | 25% vs 19.1% national average |
| Crashes | 1 total (0 fatal, 0 with injuries, 1 towaway) |
- 2024-10-14 — CA — towaway
Most frequent violation categories: 16 (5), 20 (2), 15 (1).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 10 |
|---|---|
| Drivers | 5 |
| Recent Annual Mileage | 100,000 |
| Last MCS-150 Filing | 06-MAY-26 |
DARLENE SIMPSON operates 10 power units — a larger fleet than 96% of carriers registered in CA.
Nearby
Other carriers in Ukiah, CA
- L D GIACOMINI ENT INC — USDOT 1863917, 10 power units
- ORSI TRANSPORT INC — USDOT 2114751, 7 power units
- BIG DADDY GARDEN SUPPLY INC — USDOT 2075485, 6 power units
- CARL H STEINMANN II — USDOT 2093426, 2 power units
- LYNN SMITH — USDOT 1745800, 1 power units
Browse all carriers in Ukiah, CA or all CA carriers.