ROBERT R. NEWBY

Authority active

dba GREENFIELD TRANSPORT · USDOT 858640 · MC439893 · SAN LUIS OBISPO, CA

ROBERT R. NEWBY (USDOT 858640, MC MC439893) is a motor carrier based in SAN LUIS OBISPO, CA. This page provides comprehensive safety information, inspection history, authority status, and compliance data for ROBERT R. NEWBY.

Quick Facts

Legal Name:: ROBERT R. NEWBY
USDOT Number:: 858640
MC Number:: MC439893
Authority Status:: Active
Power Units:: 3
Location:: SAN LUIS OBISPO, CA

Insurance filing

Unknown

USDOT registration

USDOT active

Fleet size

3 power units

2 drivers

Safety record

Rolling 24 months

inspections

with violations

violations

vehicle out of service

driver out of service

FMCSA safety scores through Jun 2026

Unsafe driving
No violations
Hours of service
No violations
Vehicle maintenance
No violations
Driver fitness
No violations
Controlled substances
No violations

Recent inspections

Aug 26, 2026CANCPN008315No violations foundClear

Aug 13, 2026CANCPN008274No violations foundClear

Feb 26, 2026CANCPN007701No violations foundClear

Feb 13, 2026CANCPN007658No violations foundClear

Operating profile

DOT Company Census · updated Aug 14, 2026

Operation

Classification

AUTHORIZED FOR HIRE

Registered

Feb 28, 2000

MCS-150 mileage

60,000 mi

Mileage year

2023

Reported cargo

No cargo classifications reported.