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Specialized Transport Services LLC (USDOT 3974191)

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DOT number
USDOT 3974191
Docket (MC) number
MC1486023
Operating authority
Common carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-27. We could not confirm that live just now.
Authority granted
2022-12-21
Insurance on file
Liability (BIPD) insurance on file for $1,000,000.
Safety rating
No published safety rating
Fleet on file
1 power units, 1 drivers
Operation type
Interstate
Physical address
495 STRATFORD AVE, DIXON, CA 95620
MCS-150 last filed
2025-01

Frequently asked questions

What carrier is DOT 3974191?

DOT 3974191 (USDOT 3974191) is Specialized Transport Services LLC, an interstate motor carrier.

What carrier is MC 1486023?

MC 1486023 is the docket number of Specialized Transport Services LLC, USDOT 3974191.

What is Specialized Transport Services LLC's MC number?

Specialized Transport Services LLC's docket number is MC 1486023. Its USDOT number is 3974191.

Is Specialized Transport Services LLC currently authorized to operate?

Common carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-27. We could not confirm that live just now. Source: FMCSA registration and licensing records.

Does Specialized Transport Services LLC have insurance on file with FMCSA?

Liability (BIPD) insurance on file for $1,000,000.

Who provides Specialized Transport Services LLC's insurance?

Specialized Transport Services LLC's liability insurance is filed with FMCSA by United Financial Casualty Company.

What is Specialized Transport Services LLC's safety record?

In the last 24 months, FMCSA records show 1 of 2 vehicle inspections ending out-of-service for Specialized Transport Services LLC, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.

What is Specialized Transport Services LLC's CSA score?

FMCSA does not publish a single CSA score for carriers. Specialized Transport Services LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.

What is Specialized Transport Services LLC's FMCSA safety rating?

Specialized Transport Services LLC has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.

Changes over time

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Carriers based in Dixon, CA

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