SUPERIOR UNDERGROUND LLC
Operations
Safety profile
FMCSA BASIC percentiles, inspection history, and out-of-service rates.
Full safety report
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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
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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.
Frequently asked questions about SUPERIOR UNDERGROUND LLC
Common questions about this carrier, answered from FMCSA public records.
Is SUPERIOR UNDERGROUND LLC a legitimate motor carrier?
SUPERIOR UNDERGROUND LLC is registered with FMCSA under USDOT number 9861122. Operating authority status is currently Active.
Where is SUPERIOR UNDERGROUND LLC based?
SUPERIOR UNDERGROUND LLC lists its physical address in DENVER, CO in FMCSA records. The physical state and city fields are provided by the carrier on their MCS-150 form.
Is USDOT 9861122 active?
USDOT 9861122 (SUPERIOR UNDERGROUND LLC) operating authority status is currently Active. Data is sourced from live FMCSA federal records.
How many trucks does SUPERIOR UNDERGROUND LLC operate?
SUPERIOR UNDERGROUND LLC reports 3 power units and employs 6 drivers to FMCSA. These figures come from the carrier's most recent MCS-150 filing.
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