There are many organizations working on safety for public transit and regulatory issues. We embrace and support any entity working on making our effort making it safe and equitable. This also includes existing modes of public transportation that can benefit from new ideas.
A few of the entities we embrace
ASCE - https://www.asce.org/
UITP - https://www.uitp.org/
EIT URBAN - https://www.eiturbanmobility.eu/