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DOT 3858403 is operated by ROCK TRANSPORTATION out of Big Bear Lake, CA. 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.
Operating authority is verified against the live public registry and refreshed daily. Current status: unknown. "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: unknown. We mark a carrier "lapsed" when the most recent cancellation date is in the past with no superseding policy.
ROCK TRANSPORTATION was last inspected on 2026-08-14. We've recorded 15 inspections in the trailing 12 months.
ROCK TRANSPORTATION is registered as 1808897. Many brokers reference carriers by MC; both identifiers resolve to the same carrier record.
Save ROCK TRANSPORTATION to your history
Equipment, lane footprint, insurance timeline, and fraud signals on one screen.
Is this your business? Sign up with your FMCSA-on-file email (r***2@g***l.com) to claim this profile →
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).
Inferred from consecutive inspection states per truck. Use these as a starting point for backhaul or rep prospecting.
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.
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.
Consider with verification — at least one signal needs review.
power units (MCS-150)
distinct VINs in inspections
15 inspections, 12mo
most recent roadside 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.
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.
Current reported fleet · as of Mar 2026. A trend line appears once a second filing is on record.
These are our estimates from local roadside-inspection history; FMCSA hasn't published measures for this carrier yet (see #1000).
Crash Indicator and Hazmat Compliance percentiles aren't published in the public SMS downloads today (see #832).
Matched on equipment mix, fleet-size band, and home state.
No active fraud-risk signals contribute to this score.
No equipment signal — request a COI before tender.