Tim Halbur

In this excerpt from the new book, "City Rules: How Regulations Affect Urban Form," author Emily Talen outlines the ways in which zoning ordinances, building codes and other bureaucratic restrictions negatively affect urban areas.

Locals celebrate 60 years of Levittown, the trend-setting, post-war suburb of Philadelphia. Meanwhile nearby, a 17th century mansion is saved.

Sandy Springs, Georgia has taken the libertarian tip and privatized almost every city service - including planning. So does it work?

In a discussion at the Automotive News Europe Congress in Monte Carlo last week, panelists said the trend towards urbanization will require making cars part of a larger eco-system of transportation.

2,200 cities, counties and arts orgs applied to ArtPlace to fund their creative placemaking projects in 2012. 47 projects, ranging from an arts campus in rural Sitka, Alaska to a series of "aerial nets" along a Philadelphia waterfront, made the cut.