IIHS has posted video and PowerPoint Presentations from the Second Underride Roundtable on August 29, 2017.
Morning Session, Part 1: https://youtu.be/mmCCUIzwWjE
Morning Session, Part 2: https://www.youtube.com/watch?time_continue=1&v=Nly-FXvnrxI
Side Guard Crash Test at 40 mph: https://www.youtube.com/watch?time_continue=1&v=9QJZpXk-NgY
Afternoon Session, Part 1/Side Guard Panel: https://www.youtube.com/watch?v=31VhLbAYlyw
Afternoon Session, Part 1/Industry Panel & Crash Avoidance Panel: https://www.youtube.com/watch?v=mFyf—dZV4