Draft report from the fifth meeting of the informal group on Automatically Commanded Deceleration (ACPED) for Automated Vehicles, held online on 8 September 2026. The report covers research activities by Contracting Parties including vehicle testing by Germany, Japan, Canada, UK, and South Korea. Discussions addressed unwarranted ACPE activation in various scenarios, including intersections and railway crossings. The next meeting is scheduled for 10 November 2026, with an in-person meeting planned for Tokyo in either January or February 2027.

The session includes discussion of preliminary outcomes and ongoing research activities, other business, and list of action items and next meetings.