Traffic Speed

View down San Francisco street with colorful residential buildings and high-rise downtown buildings in distance.

New Map Puts Bay Area Traffic Data in One Place

The Traffic Monitoring site uses community-collected speed and volume data to reveal traffic patterns on local roads.

December 4, 2024 - Streetsblog San Francisco

Close-up of white delineators with red stripes denoting green painted bike lane in Berlin, Germany.

Study: Bike Lane Prompts Reduced Traffic Speeds

Marking a bike lane with cones or other delineators can dramatically reduce driving speeds in adjacent traffic lanes.

June 4, 2024 - Rutgers University—New Brunswick

Pedestrians

U.S. Lagging in Making Streets Safer for Pedestrians

Pedestrian deaths are on the rise in the United States, but cities have been slow to implement effective policies and road design measures to change the trend.

September 27, 2019 - Los Angeles Times

Pedestrians

Pedestrian Deaths Last Year Projected to Be Highest Since 1990

Among the factors that stand out in the "Spotlight on Highway Safety" report released Thursday by the Governors Highway Safety Association is increased "death by SUV," which kill at a higher rate than cars. Distraction, however, is hard to prove.

March 4, 2019 - USA Today

Traffic and Speed

Is Traffic Speed Compliance A Congestion Cost?

Conventional evaluation often exaggerates congestion costs by using baseline travel speeds which exceed speed limits. This assumes that traffic speed compliance is a congestion cost that justifies major infrastructure investments to alleviate.

June 11, 2014 - Todd Litman

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.