NHTSA announced activity to update voluntary guidance on automated driving systems. A Federal Register Notice published July 31, 2026 opened a docket to solicit comment on proposed topics for guidance development. NHTSA intends to release draft guidance documents on individual topics as chapters and consolidate them into a final updated guidance document. The public comment period is scheduled to close July 31, 2027 and may be extended. Potential chapters address Emergency Responder Interactions, Safety Management System, Remote Assistance and Operational Oversight, Safety Case, Adherence to Multi-Jurisdictional Laws, Work Zone Operations, ADS System Capabilities and Behavioral Competencies, Verification and Validation with Advanced Testing Methodologies, Considerations for Driverless Deployment, Crashworthiness, Post-Crash Behavior, Human Machine Interface, Accessible Design, Data Monitoring Capture Reporting and Governance, and Maintenance Fleet Operations Continuous Safety Monitoring and Post-Deployment Enhancement.