You must log in or register to comment.
In Rome, the city centre is a “30 zone” from today too. And they published a map!

On the website of the municipality there is a list of all streets that will have their maximum speed lowered:
https://www.utrecht.nl/wonen-en-leven/verkeer/verkeersveiligheid/wat-doet-de-gemeente/straten-30-kilometer-per-uur-makenSadly they don’t show a map. That would be a nice visualization.