Cars transport around ~1500 people per hour per lane, while 2 bike lanes taking up the same amount of space of a car lane is ~5200 people per hour. A proper train line does 32'000 people per hour.
https://www.theurbanist.org/2016/05/26/the-supply-and-demand...
A more visual demonstration:
https://humantransit.org/2012/09/the-photo-that-explains-alm...