<http://schema.org/alternativeHeadline>
"More than 13 million passengers used Amtrak's rail service in the first six months of the company's 2010 fiscal year, putting the company on track to break an annual ridership record."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/stories/amtrak-on-target-to-break-ridership-record>