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DOT 2577162 is operated by CORNERSTONE FREIGHT LINES out of Duluth, GA. This profile shows verified operating authority, current insurance, observed equipment, and recent inspection activity joined into one card so brokers can verify the carrier in one tab.
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CORNERSTONE FREIGHT LINES holds active federal broker authority (1082351). Whether a surety bond is on file, the bond amount versus the $75,000 BMC-84 floor, and any authority revocations are shown in the broker-vetting section on this page — check them before you haul, since a bonded, active broker is the baseline signal you can expect to get paid.
Operating authority is verified against the live public registry and refreshed daily. Current status: ACTIVE. "active" means the carrier is authorized to operate; "inactive" or "out-of-service" indicates the carrier should not be hauling.
Liability and cargo insurance status is drawn from the latest filings on record. Current status: active. We mark a carrier "lapsed" when the most recent cancellation date is in the past with no superseding policy.
CORNERSTONE FREIGHT LINES was last inspected on 2026-08-07. We've recorded 25 inspections in the trailing 12 months.
CORNERSTONE FREIGHT LINES is registered as 1082351. Many brokers reference carriers by MC; both identifiers resolve to the same carrier record.
Step-by-step checklist for vetting any motor carrier before tendering a load — operating authority, insurance, safety scores, inspection history, and identity flags.
How double brokering works in 2026, recent fraud patterns, and a prevention checklist for freight brokers and shippers who want to stop the bleed.
Evidence, severity, and resolution notes for each signal on this carrier.
Offer with confidence — current authority and clean operations.
power units (MCS-150)
distinct VINs in inspections
25 inspections, 12mo
most recent roadside record
Not enough reports yet
0 of 3 brokers needed before rates unlock
Rates stay locked below 3 contributing brokers so no single broker’s loads can be picked out of the aggregate.
Not enough broker-reported loads yet — this score unlocks as brokers report load outcomes. Aggregates appear once 3+ brokerages have reported on this carrier (0 loads from 0 brokerages so far).
No community reports for this carrier. Had a fraud or cargo-theft incident? Your report warns the whole network within minutes.
Community reports are submitted by broker workspaces and are NOT verified by KnowHaul. New reporters are human-moderated; 3+ corroborating workspaces feed a capped penalty into the fraud risk score. Named in a report that's wrong? Email admin@knowhaul.com and a human will review it.
Aggregate rating unlocks at 3 reviewing workspaces — 0 so far. Individual reviews appear below as they're published.
No published reviews yet. Worked with this carrier? Your review starts the record.
Not enough claim reports yet
0 of 3 brokers needed before claims history unlocks
Claims stay locked below 3 contributing brokers so no single broker's claims can be picked out of the aggregate.
These are our estimates from local roadside-inspection history; FMCSA hasn't published measures for this carrier yet (see #1000).
Current reported fleet · as of Jan 2026. A trend line appears once a second filing is on record.
UNITED SPECIALTY INSURANCE COMPANY · policy NKM-ARMSII-18-25-NC
UNITED STATES FIRE INSURANCE CO. · policy 612419810
Signals are precursor patterns, not proof of fraud. Verify before acting — and if a flag looks wrong, dispute it from its row.
The reverse check: whether this freight broker is legit, bonded, and safe to haul for — before you take the load.
Some payment-risk signals are showing for this broker. Confirm the details below — and get everything in writing — before you take one of their loads.
Based on public FMCSA registration, surety-bond, and revocation records. We don't have broker payment-history data — this checks that the broker is authorized and bonded, not that they always pay on time.
Matched on equipment mix, fleet-size band, and home state.
A truck VIN on this carrier was run under 2 different DOTs in overlapping windows — the cloned-truck / VIN-under-multiple-MCs pattern.
97-unit fleet where 100% of VINs have no prior inspection history — likely paper-carrier shell.