The vote has closed. surface=laterite is approved: 29 yes, 0 no, 0 abstain.
Thank you to everyone who participated in the discussion and vote!
The tag page is now live at Tag:surface=laterite - OpenStreetMap Wiki
Bot-converted material=laterite highway ways have been reviewed and reverted where appropriate. Editor, router and preset outreach (iD, JOSM, StreetComplete, etc.) will follow in July.