Walkable City champions the idea that creating pedestrian-friendly environments is crucial for building vibrant, healthy, and economically successful cities. Speck's core argument, known as the "general theory of walkability," states that a city will be more walkable if walking is useful, safe, comfortable, and interesting.

In the ongoing conversation about how to build better cities, two key concepts—Pedestrian-Oriented Design (POD) and Transit-Oriented Development (TOD)—are gaining significant traction.

America's roads are becoming increasingly dangerous for people on foot, a crisis that has been largely ignored. While many other wealthy nations have seen a decrease in pedestrian fatalities, the U.S. has experienced a shocking 50% increase over the last decade.