DESIGN Defining the 15-minute city The “15-minute city” may be defined as an ideal geography where most human needs and many desires are located within a travel distance of 15 minutes. Here’s what that means. ANDRES DUANY, ROBERT STEUTEVILLE FEB. 8, 2021 The 15-minute city is gaining significant traction politically and in planning circles, but what does it mean? Definitions vary, and there is so much slack in the concept—depending on what transportation modes are included—that even conve