The US National Geodetic Survey (NGS) is implimenting a plan to replace NAD 83 and NAVD 88 through a modernization effort.
NGS’s main page on the subject: https://www.ngs.noaa.gov/datums/newdatums/index.shtml
NGS has been very proactive in publishing information on the planned changes, and has had several summits to directly communicate with stakeholders and invite feedback. This year’s is on May 6-7 in Silver Spring, Maryland.
https://www.ngs.noaa.gov/geospatial-summit/index.shtml
Last year there was a special industry partner summit. We’ve had someone at all of these geospatial summits, and have met many of the
