Interactive Map Tracks Growth of Manhattan Grid

This interactive map from The New York Times overlays historic maps with modern-day maps of the city, and shows how the city and its street grid has developed.

"In 1811, John Randel created a proposed street grid of Manhattan. Compare his map, along with other historic information, to modern-day Manhattan."

One feature of the map allows users to see the opening of new roads on Manhattan year-by-year from 1642 to 1942.

Full Story: How Manhattan’s Grid Grew

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