Current traffic information is available from Google Maps.
You find an interactive street map of Friedrichshafen on the website Tourist-Information Friedrichshafen.
Service tip: Some Navigation Systems do not yet know the street name "Neue Messe 1" - in this case please use "Allmannsweiler Strasse 132".
On the website of MESSE FRIEDRICHSAHFEN you will find an overview of the exhibition grounds and the service facilities (parking, e-charging stations, etc.).
In Friedrichshafen simply follow the signs "Messe".