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PUBLIC MARKS from kzoo with tags Level & use

07 November 2007 19:15

Level Crossings

Though invented long ago there are more than 20,000 level crossings in use in the USA today. Together, they represent a significant safety hazard. Between 2006 and 2007, 65 people in the US were killed in accidents at level crossings.

crossings Level use people

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PUBLIC MARKS from kzoo with tags Level & use

07 November 2007 19:15

Level Crossings

kzoo's TAGS related to tag Level