503 Transportation Inc

USDOT 3240407MC-1017678USDOT activeAuthority active· Carson, CA

503 Transportation Inc (USDOT 3240407) holds active operating authority as a motor carrier of property under MC-1017678 based in Carson, CA. The earliest grant on file is from March 2020, 6 years, 8 months ago. $750,000 of liability coverage is on file with United Financial Casualty Company. It reported 7 power units and 7 drivers on its last MCS-150 update (April 2026).

Operating authority

Docket	Authority	Status	Insurance required	On file
MC-1017678	Motor carrier of property	Active	$750,000 liability	$750,000 liability

Earliest grant on file: Mar 5, 2020 (6 years, 8 months ago).

Insurance and bonds on file

Type	Insurer	Coverage	Effective	Cancellation
Liability (BIPD) · form 91X	United Financial Casualty Company	$750,000	May 2, 2026	—

Confirm coverage with the insurer before tendering a load.

Authority history

Date	Docket	Action
May 1, 2026	MC-1017678	Discontinued revocation · common carrier
Apr 6, 2026	MC-1017678	Involuntary revocation · common carrier
Mar 31, 2026	MC-1017678	Discontinued revocation · common carrier
Mar 30, 2026	MC-1017678	Involuntary revocation · common carrier
Jul 7, 2025	MC-1017678	Discontinued revocation · common carrier
Jun 30, 2025	MC-1017678	Involuntary revocation · common carrier
May 5, 2025	MC-1017678	Discontinued revocation · common carrier
Apr 10, 2025	MC-1017678	Involuntary revocation · common carrier
Jun 24, 2024	MC-1017678	Discontinued revocation · common carrier
Jun 20, 2024	MC-1017678	Involuntary revocation · common carrier
Mar 5, 2024	MC-1017678	Discontinued revocation · common carrier
Feb 5, 2024	MC-1017678	Involuntary revocation · common carrier
Mar 1, 2023	MC-1017678	Discontinued revocation · common carrier
Feb 2, 2023	MC-1017678	Involuntary revocation · common carrier
Feb 25, 2022	MC-1017678	Discontinued revocation · common carrier
Feb 2, 2022	MC-1017678	Involuntary revocation · common carrier
Mar 3, 2021	MC-1017678	Discontinued revocation · common carrier
Feb 2, 2021	MC-1017678	Involuntary revocation · common carrier
Mar 5, 2020	MC-1017678	Granted · motor carrier of property

Registration

USDOT number	3240407
USDOT status	Active
Dockets	MC-1017678
Legal name	503 Transportation Inc
Operation	Interstate
Classification	Authorized for hire
Location	Carson, California 90745
USDOT added	Feb 1, 2019
Last MCS-150 update	Apr 29, 2026
Safety rating	Not rated

Fleet

Power units	7
Trucks	7
Drivers	7 · 7 with a CDL
Annual miles	425,000 · 2025

Cargo carried

General freight, Intermodal containers

Check it yourself

Data as of Nov 12, 2026. Sources

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