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For over 10 years, the “99 Percent Invisible” podcast has been a touchstone for anyone interested in the often-overlooked design choices that shape our world — and particularly, the auto-centric design choices that shape our streets. More than 400 million downloads later, host Roman Mars collaborated with producer Kurt Kohlstedt to co-author The 99 Percent Invisible City: a Field Guide to the Hidden World of Everyday Design,
which reveals the secret history of urban errata around the world and on your own block.
From the surprising insights that gave the jersey barrier its curves to the bizarre crash that lead to the invention of the roadway centerline, the stories in its pages inspire us to give the everyday a second look — and realize how profoundly our streets can be remade by simple design choices, no matter the violent history that may have built them.