The story that trains are superior for high density is not necessarily true. Buses with dedicated lanes appear to have high throughputs and lower infrastructure

The story that trains are superior for high density is not necessarily true. Buses with dedicated lanes appear to have high throughputs and lower infrastructure costs ( not to mention can continue to run into lower density areas or have routes more easily changed as the population density shifts). http://en.wikipedia.org/wiki/Bus_rapid_transit#Comparison_with_light_rail.2F_metro_systems http://en.wikipedia.org/wiki/Bus_rapid_transit#Comparison_wi...