Some Online Forums
Public discussion about the Beltline and the proposed transit lines ares scattered in multiple forums/platforms.
Here we link to a few.
Feel free to email us with links to other forums.

Instagram: "streetcarimpact": https://www.instagram.com/streetcarimpact/

The best discussion we have seen to date:
Urbanizehttps://atlanta.urbanize.city/post/beltline-rail-certainty-paused-big-developments-new-downtown-hotel#disqus-comments
Reddit: https://www.reddit.com/r/gatech/comments/10pixc4/georgia_tech_masters_student_ryan_gravel_designed/
Nextdoor: https://nextdoor.com/p/B5NGRFtdBYxR
Urbanize:  https://atlanta.urbanize.city/post/georgia-tech-professor-slams-beltline-rail-supporters-fire-back#disqus-comments
Saporta Report: https://saportareport.com/a-streetcar-on-the-beltline-would-be-a-train-wreck/columnists/guestcolumn/derek/
Urbanize:  https://atlanta.urbanize.city/post/beltline-rail-opponents-launch-petition-streetcar

Facebook: Beltline Rail Now
ThreadATL

Older discussions:

Nextdoor.com
(A great platform, but it requires a password and content is segregated by neighborhood)

Urbanize.com

Reddit

Atlanta Beltline Inc. Transit Documents Archive