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503 TRANSPORTATION INC

DOT 3240407MC 1017678ActiveInterstateUNITED FINANCIAL CASUALTY COMPANYCARSON, CA

COMPANY

Authority since
2026-05-01
MCS-150
2026-04-29 · 425,000 mi (2025)
Fleet
7 units · — trailers · 7 drivers
Annual mileage (VMT)
425,000 mi (2025)
Owner origin
Hispanic
Origin candidates
Dominican 48%

ADDRESS

Physical
552 E CARSON ST SUITE 104-503
CARSON, CA 90745
Mailing
Same as physical

CONTACT

Phone
3233335363
Email
roelyramirez@503transportation.com

OFFICERS

Primary Officer
ROELY RAMIREZ
Title
OWNER
Origin
Hispanic

OPERATION & CARGO

Operation classification
Authorized For Hire
Specialty
Intermodal / Drayage
Cargo types
2
General FreightIntermodal Containers
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
4 mo
Active authority
INSURANCE
1 active
UNITED FINANCIAL CASUALTY COMPANY
RISK GRADE
Elevated Risk
2 risk factors · 2 strengths
OOS RATE
45.5%
10 / 22 inspections

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Checking local VIN index…

Elevated Risk

2 risk factors · 2 strengths · 4 data points

SAFETY PERFORMANCE

Crash Record
1 crashes · 1 fatal · 0 with injuries · 0 tow-away
Clean Inspection Rate
55% — 12 clean of 22 inspections
Out-of-Service Rate
45.5% — driver OOS 2, vehicle OOS 9

COMPLIANCE & AUTHORITY

Operating Authority
Active operating authority on file
Authority Events
19 historical event(s) on file
MCS-150 Filing
Last filed 2026-04-29

INSURANCE

Active Coverage
1 policy(ies) on file · total max coverage $750,000

SUMMARY

1 fatal crash — most recent 3 yr ago
Severe OOS rate 44% (last 24 mo)
No crashes in the last 24 months
Active insurance on file

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