SLACK JOHN L

AUTHORIZED

DBA: JOHN SLACK TRUCKING

10100 EAST RD, POTTER VALLEY, CA, 95469|(530) 282-8396

USDOT

3435430

MC Number

N/A

Fleet Size

1

Total Drivers

1

Last updated: March 16, 2026

Safety overview

SLACK JOHN L is a small intrastate only (non-hazmat) motor carrier based in POTTER VALLEY, California, operating 1 power unit with 1 drivers. FMCSA hasn't published BASIC scores for this carrier yet. That usually means they don't have enough inspection data for the system to calculate percentiles. No crashes on file.

BASIC scores

SMS Percentiles

Higher percentile = worse performance relative to peers. Scores at or above 75% may trigger an FMCSA investigation.

No BASIC scores available. This usually means the carrier hasn't had enough inspections for FMCSA to calculate percentiles.

Company details

Entity Type
N/A
Carrier Operation
Intrastate Only (Non-Hazmat)
Operation Classification
Exempt For Hire
Cargo Carried
N
Hazmat
No
Safety Rating Date
N/A

Inspections

0

Total

Driver %

Driver Inspections0
Vehicle Inspections0

Crash history

0

Total Crashes

Fatal Crashes0
Injury Crashes0
Tow Crashes0

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Frequently asked questions

Is SLACK JOHN L authorized to operate?

Yes. SLACK JOHN L (USDOT #3435430) currently holds "AUTHORIZED" status with FMCSA. They're registered as an intrastate only (non-hazmat) carrier.

How many trucks does SLACK JOHN L operate?

SLACK JOHN L operates 1 power unit with 1 driver on file. That makes them a small carrier.

Does SLACK JOHN L transport hazardous materials?

No. SLACK JOHN L does not have a hazardous materials flag in the FMCSA database.

Where is SLACK JOHN L located?

SLACK JOHN L is based in POTTER VALLEY, California at 10100 EAST RD, 95469. Phone: (530) 282-8396.