See Wisconsin/Community for guidance in Wisconsin that may not be universal to all other states and territories.
Wisconsin is part of the Great Lakes Region, that has its own wiki as well: Great Lakes Region Wiki
Our standard Welcome message to new editors can be found here: Welcome On that page (which can be freely modified to be personalized when copying and sending to new editors) you will also find a link to the form to gain access to the GLR Discord server. Discord is now our primary means of chat (this does not replace the Waze Forum). All editors are highly encouraged to join!
Map of Wisconsin managed areas: Google Map