What is the reason for the recent surge in construction of light rail transit systems?
The past several decades have seen a surge in the construction of rail transit systems in the U.S., particularly in light rail and commuter rail systems, and in much of the rest of the world as well. This is a result of several factors, including rising fuel prices, growing concern about air pollution, realization that busses are not a good solution for heavily trafficked routes and advances in rail transit technology. This surge is readily apparent from looking at a list of rail transit systems and their opening dates, such as Rail Transit Systems in the U.S..
