Which building has more floors planned, 15 Penn Plaza or 1166 Avenue of the Americas?
15 Penn Plaza: 15 Penn Plaza, also known as the Vornado Tower, is a proposed 68-story tower in the Midtown Manhattan section of New York City planned by Vornado Realty Trust. 1166 Avenue of the Americas:  It was completed in 1974 and has 44 floors totaling approximately 1.7 million square feet.
15 Penn Plaza