CarrierTrail helps freight brokers review US motor carriers and keep a record of their decisions. Its browser-based workspace combines USDOT and MC lookup, public authority and insurance filing checks, shared-contact connections, private notes and monitored-carrier watchlists. Scheduled daily checks and email notifications help teams review changes after onboarding. Saved source snapshots preserve the evidence behind approval or rejection decisions, while shared workspaces and CSV exports support team review. Source dates and check status show the limits of the available information. Free public lookup is available; paid monitoring starts at $49 per month for 500 carriers and two members.