[City, State] — [Opening...]` -> I'll use a standard dateline like `CHICAGO, Ill. —` (CVSA headquarters is in Chicago, fits the context). I'll start with the key fact: 398 commercial vehicles pulled from roads for brake violations across North America. - `
[Background...]` -> Explain Brake Safety Day, CVSA Operation Airbrake, unannounced nature, focus on brake systems. - `
[Detail...]` -> April 22 date, 4,569 inspections, 45 jurisdictions, 8.7% OOS rate, drum/rotor focus, specific violation breakdowns. - `