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Maps
Nelson and Rae, 2016

How Commutes Shape America's 'Megaregions'

New maps use math to define the amorphous term.

Photos
David Morico

The Freeway Bridge For Atlanta's Skateboarders

Crackdowns on the city’s skaters have come in waves, but Black Blocks has remained a safe haven through it all.

Videos
Archive.org

How Detroit Got Its Street Grid

A 1965 educational film explains.