Greenway

Deer grazing on hillside with few snow patches at Rocky Flats National Wildlife Refuge in Colorado.

New Trail Project Enhances Safety and Access to Rocky Flats National Wildlife Refuge

Jefferson County is improving safe access to Rocky Flats National Wildlife Refuge with new trails, a bridge, and signage, as part of the Rocky Mountain Greenway project, ensuring environmental safety and educating visitors about the site’s history.

May 19, 2025 - Jefferson County

Rendering of proposed greenway design for downtown San Diego street.

San Diego Swaps Parking Lane for Kid-Friendly Mini Park

The block-long greenway will feature interactive play equipment and landscaping.

April 7, 2025 - The San Diego Union-Tribune

Portland Bike Safety Signage

The Number One Reason Why Portland is a Bike-Friendly City

In one word: safety. And, as Sarah Laskow explains, the more folks take to riding, the safer the streets become, so it builds on itself. Critical to road safety is bike infrastructure, like protected bike lanes, bike boxes and bike traffic signals.

January 6, 2014 - Grist

Can a New App Prevent Traffic Jams?

Zak Stone spotlights a new app being tested in Germany that can predict and prevent traffic jams, and promises to reduce CO2 emissions in the process.

July 27, 2012 - Good

Unearthing Buried Waterways

Cities from San Antonio to Singapore are resuscitating waterways that once lay buried under rivers of concrete.

July 18, 2009 - The New York Times

In Miami, A Greenway May Rise From Developers Vision

As a developer turned bicycle activist, Brad Knoefler is trying to bring an urban greenway to one of Miami's most blighted neighborhoods. However, a myriad of red tape remains to be cut.

April 23, 2009 - Miami Herald

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.