NEW YORK, N.Y. - New York City transit officials say they may give more thought to installing sliding doors on some subway platforms to prevent riders from getting hit by trains.

The Metropolitan Transportation Authority says 54 people were killed on the tracks in 2012. That includes two men pushed to their deaths this month.

The Daily News reports (http://nydn.us/TNAcXM ) that the MTA has had on-and-off discussions about placing protective barriers along at least some platform edges. Other cities including London and Paris have barriers.

Interim MTA Executive Director Thomas Prendergast tells the News the agency will now revisit the issue.

It would cost an estimated $1.5 million to install sliding doors along two platform edges in a new station and more to retrofit an existing station.

There are 468 stations in the system.

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Information from: Daily News, http://www.nydailynews.com

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