Indian Railways connecting Northeastern states with rest of country - Metro Rail News

Why has most of the North Eastern states of India still unconnected with Railways? - Quora

Amtrak's 2035 Map Has People Talking About The Future Of U.S. Train Travel : NPR

Inside New Amtrak Trains Taking Travelers Across the US; Infrastructure

India moving on fast pace to develop rail connectivity in northeast

Rail projects in line to receive United States federal funding - International Railway Journal

The US still waits for its high-speed rail revolution

By 2020, capitals of all northeastern states to have rail connectivity

Circular Rail network for Bengaluru; IR's business plan; Highest Freight loading; Orissa fast tracks metro project

Rail Tracks: New trains, new tracks: US rail to get much-needed facelift - Times of India