Transformation of travel in Paris has been rapid:
—Car traffic down 45% since 2001
—Bike use doubled since last year on major axes at peak hours
—Bike use higher than car use on many roads

This was enabled by massive installation of cycleways citywide

https://www.lemonde.fr/les-decodeurs/article/2023/11/11/a-paris-la-frequentation-des-pistes-cyclables-a-double-en-un-an_6199510_4355770.html