Greasy Fork is available in English.
Makes selection of multiple roads based on given condition
< Feedback on WME Road Selector
Sorry for the late answer but I don't read this pages frequently, it is just storage for me.
It is better to use Waze forum:
https://www.waze.com/forum/viewtopic.php?f=819&t=112497
or send me a Waze PM
What do you mean with imported?
All displayed streets are stored in following object: Waze.model.streets, it is read automatically by WME.
The streets within this object are identified by their ID. Each street itself is an object with various items and the item "name" contains the name of the street.
Streetname
How did you get you streetname imported so you can use it? I can't seem to manage to get it right.