Carrier profile · USDOT 506308 · MC-258822 · Updated Jul 18, 2026

Bill Polkinhorn Incorporated

DBA GOLDEN WEST TRANSPORT

12 power unitsavg 11.9 yrRegional · 5 statesCALEXICO, CA100/100
CARRIER ACTIVEMC-258822 ACTIVERATED SATISFACTORY

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 radiusRegional
revealed
States observed4
US states
Inspections · 24 mo182
CA busiest

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

Home base
CALEXICO, CA
2401 PORTICO BLVD
Top corridor
CA
CA 178 · NV 2 · NM 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 4 states · trailing 24 mo

Roadside inspections by state · BILL POLKINHORN INCORPORATED · trailing 24 months
StateCoverageInspections
CACaliforniaHQ178
NVNevada2
NMNew Mexico1
AZArizona1