Adding extra car lanes will not solve the traffic problem in dense areas. See the pictures that compares public transit density with cars: http://www.humantra

Adding extra car lanes will not solve the traffic problem in dense areas. See the pictures that compares public transit density with cars: http://www.humantransit.org/2012/09/the-photo-that-explains-almost-everything.html http://www.humantransit.org/2012/09/the-photo-that-explains-... Maybe if everyone car-pooled optimally and we prohibited not-pooling during rush we would not have this problem. My dream world would have more extensive subways in the bay area that runs 24hrs a day so that I can never drive again.