Traffic Speed

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

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Urban Design for Planners 1: Software Tools

This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.

Planning for Universal Design

Learn the tools for implementing Universal Design in planning regulations.