[ndsipa_pomu]

The benefits of getting more of the population to cycle are so beneficial that it's a joke to even try comparing the return on investment of cycle lanes versus car infrastructure and of course, when there's lots of cars, it pretty much pushes out other forms of transport due to the size/weight/danger/pollution of the cars.

Here's a somewhat biased look at the economics of cycling:

https://www.cyclinguk.org/briefing/case-cycling-economy