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S&D TRANSPORTATION LLC

DOT 4264726MC 1655311ActiveMotor CarrierInterstateNATIONAL TRANSPORTATION INSURANCE COMPANY RISK RETENTION GROUP, LLCPOMONA, CA

COMPANY

Authority since
2024-07-30
MCS-150
2025-07-29 · 180,000 mi (2025)
Fleet
2 units · 2 trailers · 3 drivers
Annual mileage (VMT)
180,000 mi (2025)

ADDRESS

Physical
3072 CARRIZO DR
POMONA, CA 91767
Mailing
Same as physical

CONTACT

Phone
9785589588
Email
sansongkee@gmail.com

OFFICERS

Primary Officer
YUNCHAO SANG
Title
OWNER
Origin
East-asian
Origin candidates
Chinese 90%

OPERATION & CARGO

Operation classification
Private Property · Authorized For Hire
Specialty
General Freight
Cargo types
1
General Freight
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
25 mo
Active authority
INSURANCE
1 active
NATIONAL TRANSPORTATION INSURANCE COMPANY RISK RETENTION GROUP, LLC
RISK GRADE
Elevated Risk
3 risk factors · 2 strengths
OOS RATE
13.3%
4 / 30 inspections

Fleet vs Reality

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

Elevated Risk

3 risk factors · 2 strengths · 5 data points

SAFETY PERFORMANCE

Crash Record
2 crashes · 0 fatal · 0 with injuries · 2 tow-away
Clean Inspection Rate
87% — 26 clean of 30 inspections
Out-of-Service Rate
13.3% — driver OOS 2, vehicle OOS 2

COMPLIANCE & AUTHORITY

Operating Authority
Active operating authority on file
Authority Events
4 historical event(s) on file
MCS-150 Filing
Last filed 2025-07-29

INSURANCE

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

SUMMARY

Elevated OOS rate 14% (last 24 mo)
50.0 crashes per 100 trucks/yr — well above norm
1.8 violations per inspection
87% clean inspections
Active insurance on file

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