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BILL POLKINHORN INCORPORATED

DBA GOLDEN WEST TRANSPORT

USDOT 506308 · MC-258822 · 2401 PORTICO BLVD, CALEXICO, CA 92231

100Clear to loadLow riskVektor risk score · 0–100

Generated August 10, 2026 from the live FMCSA / NHTSA record. Decision support — not an FMCSA safety rating or a recommendation to use or avoid any carrier. Verify authority & insurance before tendering.

Watch · 0

Nothing flagged.

In good standing · 4

  • Active operating authority — Active for-hire authority is on file with FMCSA.
  • Insurance on file — BIPD (liability) insurance is on file with FMCSA.
  • Established 34 years — Operating authority has been on file since 1992.
  • Out-of-service rates below national average — Both vehicle and driver OOS rates beat the national benchmark across 393 inspections.

Identity & authority

Operating status
Active
Common authority
Active
Contract authority
Active
Broker authority
None
Safety rating
Satisfactory (Mar 20, 2007)
Authority age
33 yr
Registered
Dec 7, 1992
Out-of-service
No
Phone
(760) 890-8721
Email
bill.polkinhorn@polkinhorn.us
Website
polkinhorn.us
Address
2401 PORTICO BLVD, CALEXICO, CA 92231

Fleet

Power units
12
Drivers
12
Observed units
65
Avg fleet age
11.9 yr

Insurance

Auto-liability on file
Yes
BIPD limit
$750k
Cargo on file
No
Cargo limit
$750k
Bond on file
No
Lapses
2

Safety · trailing 24 months

Vehicle OOS
15.0% (nat'l 22.26%)
Driver OOS
0.4% (nat'l 6.67%)
Inspections
229
Crashes
0
Fatal crashes
0
CSA BASICMeasurePercentileSourceAlert
Unsafe Driving1.1640%Vektor est.
Hours-of-Service0.036%Vektor est.
Driver Fitness0.0832%Vektor est.
Controlled Substances0.0212%Vektor est.
Vehicle Maintenance3.9659%Vektor est.