The Greatest Grid

THE MASTER PLAN OF MANHATTAN 1811 — NOW

Modern Reforms, 20th Century—Now

Plazas

By the 1950s, the 1916 Zoning Resolution had been qualified by so many amendments that it was no longer considered to be a useful tool for modulating the density of the grid. In 1960 the Board of Estimate passed a new zoning resolution, to become effective the following year. It replaced the old law with a set of rules designed to encourage builders to incorporate open space onto their lots. Read More Using Mies van der Rohe’s Seagram Building on Park Avenue as a model, the 1961 Zoning Resolution rewarded property owners who reserved a portion of their lots for public space with floor area bonuses that allowed them to build taller towers. These plazas decompressed crowded sidewalks and interrupted the plane of the lot-line street wall.