Data Sources
TruckCodex aggregates data from official U.S. government agencies. Every data point is traceable to its upstream source. Trust tiers indicate the reliability and provenance of each dataset.
FMCSA Company Census
official- Publisher:
- Federal Motor Carrier Safety Administration
- Update Frequency:
- Daily snapshots
- Known Limitations:
- Generated from a database that is 24 hours old. Self-reported MCS-150 data may be outdated. Carriers that have never filed an MCS-150 will show zero power units and drivers.
- Official URL:
- https://ai.fmcsa.dot.gov/SMS/
FMCSA Authority History
official- Publisher:
- Federal Motor Carrier Safety Administration
- Update Frequency:
- Daily snapshots
- Known Limitations:
- Authority records reflect filings processed by FMCSA. There may be a lag between application and appearance in the data.
- Official URL:
- https://ai.fmcsa.dot.gov/SMS/
FMCSA Insurance
official- Publisher:
- Federal Motor Carrier Safety Administration
- Update Frequency:
- Daily snapshots
- Known Limitations:
- Insurance filing data reflects what insurers submit to FMCSA. Cancellation dates may differ from actual policy end dates. Some historical records may be incomplete.
- Official URL:
- https://ai.fmcsa.dot.gov/SMS/
NHTSA ODI Recalls
official- Publisher:
- National Highway Traffic Safety Administration
- Update Frequency:
- Updated as recalls are issued
- Known Limitations:
- Recall data covers safety-related defects and noncompliance. Voluntary recalls by manufacturers may not appear immediately. VIN-level completion rates are not included.
- Official URL:
- https://www.nhtsa.gov/recalls
NHTSA Complaints
official- Publisher:
- National Highway Traffic Safety Administration
- Update Frequency:
- Updated as complaints are received
- Known Limitations:
- Complaints are consumer-reported and unverified. Duplicate complaints may exist. Not all complaints lead to investigations or recalls.
- Official URL:
- https://www.nhtsa.gov/complaints
NHTSA Investigations
official- Publisher:
- National Highway Traffic Safety Administration
- Update Frequency:
- Updated as investigations progress
- Known Limitations:
- Investigation records reflect ODI activity. Preliminary evaluations may close without further action. Timeline data may be incomplete for older investigations.
- Official URL:
- https://www.nhtsa.gov/recalls
EIA Diesel Prices
official- Publisher:
- U.S. Energy Information Administration
- Update Frequency:
- Weekly (Monday)
- Known Limitations:
- Prices are retail averages from the Weekly Petroleum Status Report. Regional breakdowns use PADD districts, not state-level data. Prices reflect No. 2 diesel only.
- Official URL:
- https://www.eia.gov/petroleum/gasdiesel/
FMCSA MC certificate PDFs
official/archive- Publisher:
- Federal Motor Carrier Safety Administration
- Update Frequency:
- Archived ~through 2026-05-20 (Motus cutover)
- Known Limitations:
- ~8+ LI_* letter types (CPL, REI, CX2, etc.) indexed roughly through 2026-05-20; broker financial notices (BFN) coverage is incomplete. After Motus, FMCSA stopped publishing new bulk daily certificate PDFs — AuthHist / authority status ≠ PDF letter archive. As-of dates: /meta/freshness/.
- Official URL:
- https://li-public.fmcsa.dot.gov/
- Publisher:
- RMIS / Truckstop public onboarding pages + Wayback Machine
- Update Frequency:
- Point-in-time 2026-08-27 (manual refresh)
- Known Limitations:
- Not a live feed. We do not recrawl rmissecure.com (Cloudflare bot challenge). Invite-only portals hide requirements (Unknown ≠ no minimum). Third-party 0-day claims are labeled unverified and stay off the new-authority slice. Unmatched name/email rows stay listed. USDOT attach is unique corporate email-domain only; conflicting age gates never share a USDOT. Confirm every gate with the broker.
- Official URL:
- /brokers/methodology/