FLORIDA ROCK & TANK LINES INC
Operations
What FLORIDA ROCK & TANK LINES INC’s FMCSA record shows
Each field from the public registration, and what it means when you’re vetting this carrier.
- USDOT number 29628
- The USDOT number is FMCSA's permanent ID for this company. It never changes, even when the business renames, moves, or changes owners, so it's the most reliable way to identify FLORIDA ROCK & TANK LINES INC.
- MC number MC 126736
- An MC (docket) number means the company applied for interstate operating authority to haul regulated freight for hire or to broker loads. Brokers and shippers usually check MC authority before booking.
- Operating status Active
- FMCSA lists this USDOT number as active. Active status alone doesn't confirm current insurance or operating authority; those are separate checks.
- Operation type Interstate
- Interstate carriers can haul freight across state lines and fall under the full federal safety rules (FMCSRs).
- Fleet size 298 power units, 398 drivers
- FLORIDA ROCK & TANK LINES INC self-reports 298 power units (trucks and tractors), which makes it a large fleet. Fleet counts come from the carrier's own MCS-150 filing and aren't independently audited.
- Last MCS-150 update Jul 2, 2025
- The MCS-150 is the registration form where carriers report their address, fleet size, and operations. FLORIDA ROCK & TANK LINES INC last filed it on Jul 2, 2025. That's within FMCSA's two-year update requirement, so the company details here are reasonably current.
Safety profile
FMCSA BASIC percentiles, inspection history, and out-of-service rates.
Full safety report
All 7 FMCSA BASIC percentiles, recent inspection records, vehicle & driver out-of-service rates — free with any account.
Crash history
State-reportable crashes, severity breakdown, and time-decayed analysis.
Crash history
Individual crash records with date, severity (fatal / injury / tow-away), and fleet-normalized rate.
Insurance & compliance
Active policy coverage, insurance carrier, effective dates, and historical gaps.
Insurance details
BI&PD coverage, cargo insurance, insurance carrier name, effective dates — a critical pre-booking check.
Authority & cross-reference
Authority revocation history and chameleon carrier detection across 4.4M records.
Authority & cross-reference
Every authority grant, revocation, and reinstatement — plus chameleon flags from address / officer / phone matches.
Change history
1 recorded change to FLORIDA ROCK & TANK LINES INC’s FMCSA record. Derived from monthly FMCSA Census snapshots.
Jul 15, 2024
to
Jul 2, 2025
Frequently asked questions about FLORIDA ROCK & TANK LINES INC
Common questions about this carrier, answered from FMCSA public records.
Is FLORIDA ROCK & TANK LINES INC a legitimate motor carrier?
FLORIDA ROCK & TANK LINES INC is registered with FMCSA under USDOT number 29628. Operating authority status is currently Active. Carrier90's trust score of 66/100 yields a REVIEW verdict based on safety, insurance, authority, and crash data.
What is FLORIDA ROCK & TANK LINES INC's safety score?
Carrier90 scores FLORIDA ROCK & TANK LINES INC at 66 out of 100 with a REVIEW verdict. The score combines FMCSA BASIC percentiles, crash history, insurance status, operating authority, and chameleon carrier detection signals.
Where is FLORIDA ROCK & TANK LINES INC based?
FLORIDA ROCK & TANK LINES INC lists its physical address in JACKSONVILLE, FL in FMCSA records. The physical state and city fields are provided by the carrier on their MCS-150 form.
Is USDOT 29628 active?
USDOT 29628 (FLORIDA ROCK & TANK LINES INC) operating authority status is currently Active. Last verified by Carrier90 on October 23, 2026. Data is sourced from live FMCSA federal records.
How many trucks does FLORIDA ROCK & TANK LINES INC operate?
FLORIDA ROCK & TANK LINES INC reports 298 power units and employs 398 drivers to FMCSA. These figures come from the carrier's most recent MCS-150 filing.
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Nearby USDOT numbers
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Related resources
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