Event Data Recorders

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Transportation National Highway Traffic Safety Administration 49 CFR Parts 563 and 585 [Docket No. NHTSA-2025-0050] RIN 2127-AM78 AGENCY: National Highway Traffic Safety Administration (NHTSA), Department of Transportation (DOT). ACTION: Final rule. SUMMARY: This final rule amends NHTSA's regulation governing Event Data Recorders (EDR or EDRs) to delay the implementation schedule for expanded pre-crash data capture requirements. In response to petitions for reconsideration of a final rule published on December 18, 2024, the agency is adopting a four-year phase-in compliance schedule that begins September 1, 2028. This action ensures the increased pre-crash data capture requirements are integrated into the vehicle fleet in a manner that aligns with manufacturer production cycles and technical feasibility. DATES: Effective Date: This rule is effective June 17, 2026. Compliance Dates: This final rule adopts a four-year phase-in period that begins September 1, 2028 to comply with part 563, as amended by the December 18, 2024 final rule. Under the four-year phase-in, 25 percent of a manufacturer's applicable vehicles produced from September 1, 2028 to August 31, 2029 must comply with part 563 as amended by the final rule published on December 18, 2024, “Event Data Recorders,” followed by 50 percent from September 1, 2029 to August 31, 2030, 75 percent from September 1, 2030 to August 31, 2031, and 100 percent on and after September 1, 2031. Applicable veh…