This document describes an SAE Recommended Practice for Automatic Emergency Braking (AEB) system performance testing which: establishes uniform vehicle level test procedures identifies target equipment, test scenarios, and measurement methods identifies and explains the performance data of interest does not exclude any particular system or sensor technology identifies the known limitations of the information contained within (assumptions and “gaps”) is intended to be a guide toward standard practice and is subject to change on pace with the technology is limited to “Vehicle Front to Rear, In lane Scenarios” for initial release This document describes the equipment, facilities, methods and procedures needed to evaluate the ability of Automatic Emergency Braking (AEB) systems to detect and respond to another vehicle, in its immediate forward path, as it is approached from the rear. This document does not specify test conditions (e.g., speeds, decelerations, headways, etc.).