> because the two lane roads can't be expanded fast enough
You can't build your way out of congestion.
http://www.strongtowns.org/journal/2015/10/18/dealing-with-c...
The structure of cities in the US needs to change some so that you can be close to more things: food, cafes, bars, barber/hairdresser... all that kind of stuff that's common on a regular basis. That way you don't have to clog up the roads for even the most minor of needs.