Automated Driving Systems
Voluntary Safety Self-Assessment
Welcome to NHTSA’s Automated Driving Systems (ADSs – SAE International Automation Levels 3-5) Voluntary Safety Self-Assessment (VSSA) Disclosure Index. Inclusion in the index does not constitute Federal endorsement or approval of a company disclosure. NHTSA will do its best to update this site as soon as possible when it becomes aware of new VSSA disclosures.