Английский словарь американских идиом - the tracks

{n.} The line between the rich or fashionable part of town and the poor or unfashionable part of town. * /The poor children knew they would not be welcome on the other side of the tracks./ * /Mary's mother did not want her to date Jack, because he came from across the tracks./ - Often used in the expression "the wrong side of the tracks". * /The mayor was born on the wrong side of the tracks, but he worked hard and became successful./