National Signal CORP (USDOT 469638)
No blockers or cautions found.
- DOT number
- USDOT 469638
- Operating authority
- No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-08-30. We could not confirm that live just now.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- Satisfactory (rating decision 1992-07-02)
- Fleet on file
- 2 power units, 3 drivers
- Operation type
- Interstate
- Physical address
- 47433 RYAN ROAD, SHELBY TOWNSHIP, MI 48317
- MCS-150 last filed
- 2025-08
Findings
- Safety rating is more than 5 years old (Note): Rating Satisfactory issued 1992-07-02 (34 years ago); most recent FMCSA review 1992-04-17 (34 years ago). Both exceed the 5-year audit cycle
Frequently asked questions
What carrier is DOT 469638?
DOT 469638 (USDOT 469638) is National Signal CORP, an interstate motor carrier.
What is National Signal CORP's USDOT number?
National Signal CORP's USDOT number is 469638. No MC docket number is on file.
Is National Signal CORP currently authorized to operate?
No active operating authority on file with FMCSA. The federal bulk file showed this carrier active as of 2026-08-30. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does National Signal CORP have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is National Signal CORP's safety record?
In the last 24 months, FMCSA records show 0 of 2 vehicle inspections ending out-of-service for National Signal CORP, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.
What is National Signal CORP's CSA score?
FMCSA does not publish a single CSA score for carriers. National Signal CORP's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is National Signal CORP's FMCSA safety rating?
National Signal CORP's FMCSA safety rating is Satisfactory, from a review decided 1992-07-02.
Changes over time
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Carriers based in Shelby Township, MI
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Aug 30, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status