[Tax-chick]

I wonder if she was running on the train track. I see idiots doing that around here sometimes.

[Northern Yankee]

If I were running on a train track, and was wearing an IPod, I would be constantly looking over my shoulder.

Couldn't she also feel the vibration?!

[randog]

I wonder if she was running on the train track. I see idiots doing that around here sometimes.

I'm wondering why she didn't instinctively look both ways before crossing the track, so your suggestion might be correct.