<http://schema.org/description>
"The UK's Network Rail and Garmin have developed a special sat nav app that causes the device to sound a train-like whistle when the driver approaches a level crossing."^^<http://www.w3.org/2001/XMLSchema#string>
<http://newatlas.com/network-rail-and-garmin-develop-novel-sat-nav-safety-app/18899/>