<http://schema.org/alternativeHeadline>
"This week's Washington, D.C., train accident was horrific, but it's not a reason to stay away from light-rail trains. Cars cause a lot more carnage."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/blogs/despite-dcs-fatal-crash-light-rail-is-safe-transit>