As I said before, it depends on the circumstances. With regards to what those circumstances are, there are a few different combinations of circumstances that wo

As I said before, it depends on the circumstances. With regards to what those circumstances are, there are a few different combinations of circumstances that would drive rapid growth in a city, and whilst superior public transportation isn't enough on its own, improving infrastructure across the board can be, especially in an area with a high volume of economic activity. For example, look at the growth of Singapore and consider whether that growth would've been possible without a focus on infrastructure. https://en.m.wikipedia.org/wiki/Singapore https://en.m.wikipedia.org/wiki/Singapore