Researchers have detected a disease threatening cycling infrastructure investment. Although city administrators continue to invest in living streets, until cyclists becomes self-aware, the automobile will continue to dominate cities.
Cory Booker has introduced a railroad bill that will, among other things, expand financing for transit-oriented projects near train stations. The new law would also make it easier for TOD developers to apply for federal loans.
More capacity for the same cost is the case with double-decker commuter cars -- if they can fit into tunnels, that is. Bi-level train were once more common in the commuter trains serving NYC. However, these cars can have their own disadvantages.