Robert R Newby
Robert R Newby (USDOT 858640) holds active operating authority as a motor carrier of property under MC-439893 based in San Luis Obispo, CA. The earliest grant on file is from November 2002, 23 years, 11 months ago. $750,000 of liability coverage is on file with Hudson Insurance Company. It reported 3 power units and 2 drivers on its last MCS-150 update (December 2025).
Operating authority
| Docket | Authority | Status | Insurance required | On file |
|---|---|---|---|---|
| MC-439893 | Motor carrier of property | Active | $750,000 liability | $750,000 liability |
Earliest grant on file: Nov 20, 2002 (23 years, 11 months ago).
Insurance and bonds on file
| Type | Insurer | Coverage | Effective | Cancellation |
|---|---|---|---|---|
| Liability (BIPD) · form 91X | Hudson Insurance Company | $750,000 | Apr 15, 2026 | — |
Confirm coverage with the insurer before tendering a load.
Authority history
| Date | Docket | Action |
|---|---|---|
| Apr 14, 2026 | MC-439893 | Discontinued revocation · common carrier |
| Mar 19, 2026 | MC-439893 | Involuntary revocation · common carrier |
| Dec 23, 2022 | MC-439893 | Discontinued revocation · common carrier |
| Dec 9, 2022 | MC-439893 | Involuntary revocation · common carrier |
| Feb 5, 2004 | MC-439893 | Discontinued revocation · common carrier |
| Jan 6, 2004 | MC-439893 | Involuntary revocation · common carrier |
| Nov 20, 2002 | MC-439893 | Granted · motor carrier of property |
Registration
| USDOT number | 858640 |
|---|---|
| USDOT status | Active |
| MC number | MC-439893 |
| Legal name | Robert R Newby |
| DBA name | Greenfield Transport |
| Operation | Interstate |
| Classification | Authorized for hire |
| Business type | Individual |
| Location | San Luis Obispo, California 93405 |
| USDOT added | Feb 28, 2000 |
| Last MCS-150 update | Dec 3, 2025 |
| Safety rating | Not rated |
Fleet
| Power units | 3 |
|---|---|
| Trucks | 3 |
| Drivers | 2 · 2 with a CDL |
| Annual miles | 60,000 · 2023 |
Cargo carried
General freight, Household goods, Metal: sheets, coils, rolls, Motor vehicles, Logs, poles, beams, lumber, Building materials, Machinery, large objects, Fresh produce, Oilfield equipment, Livestock, Grain, feed, hay, Coal/coke, Meat, Garbage/refuse, Chemicals, Commodities dry bulk, Refrigerated food, Beverages, Paper products, Utilities, Agricultural/farm supplies, Construction, Water well
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Data as of Nov 12, 2026. Sources
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