check the list of language moderators. Pick the ones that don't look like waze staff, but community people. Send them a PM on transifex, or here on the forum if the names match. Those collaborators are there to help you and can approve requests and set people to translator or reviewer. Bothering Waze or posting on this thread may not reach the intended persons. Of course for requests of additional languages you'll need to ask the waze guys, as we as community can't do that.