(Source: Progressive Railroading, August 14, 2013)
The Northeast Corridor (NEC) is one of the most complex and congested rail lines in the world. Each day, more than 2,000 Amtrak, commuter and freight trains traverse the 457-mile corridor, which connects Washington, D.C., Baltimore, Philadelphia, New York City and Boston. More than 200 million commuter-rail and 13 million Amtrak riders use the services provided along the NEC each year.
Full story: Progressive Railroading