The NYC subway system covers more than 665 miles of track over 5 boroughs. Knowing what train to take and when to get off can be ridiculously confusing for out-of-towners and New Yorkers alike, especially when it's jam packed on holiday weekends like today. That's why we would like to present you with 10 useful tips for surviving the NYC subway system. From downloading a killer app to knowing how to score free transfers we hit all the stops. All aboard!

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