United States of America Updates Event Data Recorders Safety Standards

United States of America has delayed the implementation of expanded pre-crash data capture requirements for Event Data Recorders through a four-year phase-in schedule, beginning September 1, 2028, in response to petitions for reconsideration.

USA – EVENT DATA RECORDERS

US Delays New ‘Black Box’ Data Rules for Cars

Manufacturers get a four-year phase-in for expanded crash data capture.

1 Sep 2028 Phase-in begins

Compliance ramp-up

Year 1 (2028-29) 25%

Year 2 (2029-30) 50%

What changed

Expanded pre-crash data capture required for new vehicles under a phased schedule.

Required data set updated to correct the fifth and sixth lines in Table I to ‘-20 to 0 sec 4’.

Four-year phase-in adopted to align with production cycles and technical feasibility.

Who it affects

Vehicle manufacturers must equip a growing percentage of new vehicles with updated EDRs.

Key dates

17 Jun 2026 — final rule is effective.

1 Sep 2028 — compliance phase-in begins.

United States — Event Data Recorder safety standards

Compliance Answer: Delayed Implementation of Expanded Pre-Crash Data Capture Requirements for Event Data Recorders (EDRs) in the United States

The National Highway Traffic Safety Administration (NHTSA) has delayed the implementation of expanded pre-crash data capture requirements for Event Data Recorders (EDRs) under 49 CFR Part 563, adopting a four-year phase-in schedule beginning September 1, 2028. This delay responds to petitions for reconsideration from industry stakeholders, including the Alliance for Automotive Innovation (Auto Innovators), SAE International (SAE), and Fiat Chrysler Automobiles U.S. LLC (FCA), which cited technical and production cycle challenges¹.

Regulation Analysis

1. Key Requirements and Compliance Timeline

The final rule amends 49 CFR Part 563 to establish a phased compliance schedule for expanded pre-crash data capture, replacing the original September 1, 2027 deadline set in the December 18, 2024, final rule¹. The requirements apply to passenger motor vehicles equipped with EDRs and are structured as follows:

Regulation	Key Requirement	Deadline/Threshold	Authority
49 CFR Part 563	Expanded pre-crash data capture (e.g., 20-second recording duration at 10 Hz sampling rate¹) for vehicles equipped with EDRs. Phase-in applies only to vehicles with EDRs (not all vehicles)¹.	Phase-in Schedule: • 25% of applicable vehicles: Sep 1, 2028 – Aug 31, 2029 • 50%: Sep 1, 2029 – Aug 31, 2030 • 75%: Sep 1, 2030 – Aug 31, 2031 • 100%: Sep 1, 2031 onward¹	NHTSA (DOT) under the FAST Act (Public Law 114–94)¹.
49 CFR Part 563 (Exemptions)	Small-volume manufacturers and limited-line manufacturers must comply by September 1, 2032¹. Multi-stage manufacturers and altered vehicles must comply by September 1, 2033¹.	Sep 1, 2032 (small-volume/limited-line) Sep 1, 2033 (multi-stage/altered)	NHTSA¹.
49 CFR Part 585	Annual compliance reports required within 60 days after each production year ending August 31 (2029–2032). Reports must include: • Manufacturer identification • Compliance status • Production volumes¹.	Reporting Deadlines: • 2029: Oct 30, 2029 • 2030: Oct 30, 2030 • 2031: Oct 30, 2031 • 2032: Oct 30, 2032¹	NHTSA¹.

2. Technical and Operational Considerations

a. Expanded Data Capture Requirements

The 2024 final rule increased the pre-crash recording duration from 5 seconds (at 2 Hz) to 20 seconds (at 10 Hz), more than doubling the data volume¹.
Hardware/software challenges cited by petitioners include:
- Increased non-volatile memory capacity to store 20 seconds of data¹.
- Larger backup power reserves (capacitors) to ensure data transfer from volatile to non-volatile storage during electrical failure¹.
- Redesign of electronic board layouts, housing, and vehicle mounting spaces¹.
- Potential need for new crash testing to verify mechanical integrity after hardware changes¹.

b. Industry Concerns Addressed by NHTSA

Auto Innovators and SAE argued that the original September 1, 2027 deadline was unfeasible due to:
- 18-month software development cycles followed by 18-month supplier delivery and testing windows¹.
- Risk of disabling EDR functionality if redesigns were not completed in time¹.
FCA requested a 2027 phase-in start date, but NHTSA opted for September 1, 2028 to align with broader industry constraints¹.

c. Privacy and Data Security

An anonymous comment urged NHTSA to implement robust privacy protections, including:
- Limits on third-party access to EDR data.
- Strong data security standards to prevent unauthorized access or tampering.
- Clear disclosures to vehicle owners about data collection and rights¹.

3. Petitions for Reconsideration and NHTSA’s Response

a. Supporting Petitions

Auto Innovators, SAE, and FCA petitioned for reconsideration, citing:
- Technical infeasibility of the original timeline¹.
- Costly mid-cycle hardware redesigns (e.g., larger memory chips, capacitors)¹.
- Disruption to existing product plans¹.
NHTSA adopted the four-year phase-in to:
- Avoid premature re-engineering of vehicle platforms¹.
- Preserve EDR functionality during the transition¹.
- Align with standard product development cycles¹.

b. Opposing Petitions

IEEE-Vehicular Technology Society (IEEE-VTS) opposed the delay, arguing:
- Technical solutions (e.g., IEEE 1616.1 DSSAD standard) are already globally implemented¹.
- Memory requirements are "relatively small" and do not require substantial hardware redesign¹.
- Delays leave vehicle owners vulnerable to unauthorized data access or tampering¹.

4. Reporting and Compliance Obligations

Manufacturers must submit annual compliance reports to NHTSA under 49 CFR Part 585, including:

Manufacturer identification (name, address, responsible official)¹.
Production year covered by the report¹.
Compliance statement (whether the manufacturer met the phase-in requirements)¹.
Production volumes of vehicles equipped with EDRs¹.
Basis for compliance (e.g., percentage of vehicles meeting the requirements)¹.

Reports must be submitted to: Administrator, National Highway Traffic Safety Administration 1200 New Jersey Avenue SE, West Building, Washington, DC 20590¹.

Summary Answer

The U.S. Department of Transportation’s NHTSA has delayed the implementation of expanded pre-crash data capture requirements for EDRs under 49 CFR Part 563, replacing the original September 1, 2027 deadline with a four-year phase-in schedule beginning September 1, 2028¹. The phase-in requires 25% compliance by September 1, 2029, scaling to 100% by September 1, 2031, with extended deadlines for small-volume manufacturers (2032) and multi-stage manufacturers (2033)¹. The delay responds to industry petitions citing technical challenges (e.g., memory capacity, power reserves) and production cycle constraints¹, while annual compliance reports are mandated under 49 CFR Part 585¹. Privacy concerns were raised but not addressed in the final rule¹. For related context on administrative updates, see².

Sources

↩ members.wto.org — final measure / 26 02654 00 e https://members.wto.org/crnattachments/2026/TBT/USA/final_measure/26_02654_00_e.pdf
↩ WTO TBT notification 26-02787 — United States of America https://members.wto.org/crnattachments/2026/TBT/USA/26_02787_00_e.pdf