Sound Walls

Concrete sound wall next to empty freeway.

Study: Silence Raises Property Values

A Florida study found homes near recently built sound walls saw a rise in value.

December 18, 2025 - The Wall Street Journal

Sound Walls Made From Grass

The Ohio Department of Transportation is experimenting with "green noise walls" instead of the standard eyesore, using bags of soil sprouting greenery as an alternative to concrete.

July 19, 2010 - The Cleveland Plain Dealer

FREE Course: Walkable City 1: Why Walkability?

After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.

Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold

The course focuses on the opportunities and imperatives that shape reinvention of mall sites.

Top Books

An annual review of books related to planning.

Top Schools

The definitive ranking of graduate planning programs.

100 Most Influential Urbanists

The who's who of urbanism, according to Planetizen readers.

Urban Planning Creators You Should Know

A short list of voices on social, video, and podcasting platforms.