Overcrowding on New York City subway trains is becoming a major problem for commuters. According to new data from the MTA, there were 14,843 weekday delays caused by overcrowding in December alone. The New York Post found that the number is up 113 percent from the same period a year ago. Fixing the overcrowding will not be easy for the MTA as it is trying to accommodate record ridership and still dealing with damage from Superstorm Sandy.