To make the outdoor space a reality, Madison Square Garden would move across Seventh Avenue to the empty site where the Hotel Pennsylvania once stood.  “How centrally located the existing MSG is right now is not necessarily the best for access,

Expanding the train station, the busiest in the nation, is a pressing issue because construction has just begun on a $16 billion pair of rail tunnels under the Hudson River, the centerpieces of a project known as Gateway, which would double the current cross-Hudson capacity.