Note that "better infrastructure" != "more highways", as traffic grows to saturate the available roads.

If you want better infrastructure, invest in light rail.

http://www.iwillride.org/what-200-people-look-like-driving-c...

I spent ~10 years living in Europe. While there was still a lot of traffic, huge numbers of people took rail. To me, the cities were much more livable than the average NA city.