If the World’s best can’t handle the track test, how could you? That’s the idea behind Network Rail’s on-going social campaign, ‘Track Tests’. So far we’ve tested 400m World champion Dai Greene’s ability to negotiate rail tracks and rapper, Wretch 32’s ability to determine the direction of an on coming train. A interactive, 3D binaural sound ‘test yourself’ element meant that the viewer couldn't just brush it off as Hollywood trickery and allowed them to try the tests themselves