The Committee of the Transport Accessibility Manual will meet at the Transportation Research Board Annual Meeting in Washington DC in January:

Transport Accessibility Manual Working Group (SAM20-0007 AP050)
Tuesday, Jan 14, 2020  8:00AM  9:45AM (US Eastern Standard Time)

We will be discussing the first (preliminary) draft of the document, which will be distributed to mailing list members before the meeting. Contact me if you would like to be added to the mailing list.