That is a bit of a tricky question.

The main reason that the overlay supports unsigned and noname tags is to avoid mappers constantly resurveying the same roads (false positive suppression). If you live in an area that normaly doesn’t have street names the overlay doesn’t really make a lot of sense and insofar it is not necessary to weed out the false positives anyway.

Bitte in der Schweiz -keine- maxspeed Einträge machen, die Sache ist rechtlich klar und maxspeed voll redundant. Wir müssen ja nicht jeden Blödsinn unserer nördlichen Nachbarn mitmachen.