Amtrak was formed in the 1970s out of the ashes of several bankrupt rail lines, including the Penn Central. Its has been criticized for poor service, and shaky finances, but its safety record has been good.
More than 31 million passengers rode Amtrak in fiscal year 2013, the last for which figures are available. In the Northeast Corridor, more than 2,000 trains operate daily on Amtrak's rails, between commuter lines and Amtrak trains. And far more passengers ride Amtrak between Washington, New York and Boston than fly.