Carrier profile · USDOT 3240407 · MC-1017678 · Updated Jun 13, 2026

503 TRANSPORTATION INC

7 power unitsavg 9.5 yrLocal · 1 statesCARSON, CA74/100
CARRIER ACTIVEMC-1017678 ACTIVEUNDELIVERABLE ADDRESS

Operations & Lanes

Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal
revealed
States observed1
US states
Inspections · 24 mo18
CA busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base
CARSON, CA
552 E CARSON ST SUITE 104-503
Top corridor
CA
CA 18
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · 503 TRANSPORTATION INC · trailing 24 months
StateCoverageInspections
CACaliforniaHQ18