Dharmesh Patel noticed on CCTV that a van had "zipped" under a level crossing gate but could not get through the next barrier as a train approached.

BBC: Network Rail signalman praised for averting Sandy crash

Earlier, Steve had used the DSLR with a fish-eye lens to get some extraordinary video footage crossing the Golden Gate Bridge.

BBC: Cameras to capture a road trip

The MacKays' car collided with a train at an unmanned, gate-free crossing.

BBC: Angus and Margaret MacKay

As he speaks, stunning images of the Golden Gate bridge and Santa Monica's palm trees clash with a cow crossing a freeway in a drab Nevada desert.

ECONOMIST: Emigration from California