Academic Studies

Melbourne Pedestrians

Accounting for the Indecision of Pedestrians

A post on Ars Technica digs into the complicated world of pedestrian modeling and identifies a culprit in the problems with existing models: indecisive people.

January 28, 2016 - Ars Technica

New Evidence of the Superiority of Bike Lanes Over Sharrows

A study presented last week to the Transportation Research Board shows that the quality of the bike infrastructure has a significant effect for commuting rates and safety.

January 20, 2016 - Streetsblog USA

Using Twitter to Better Understand Public Sentiment

By using the data provided by millions of Twitter users, two researchers discovered surprising insights into public sentiment in shrinking cities.

January 14, 2016 - At Lincoln House

Suburban traffic

Study Finds Strong Evidence that Parking Causes Driving

A new study presented at the Transportation Research Board Annual Meeting builds a strong case that parking causes driving.

January 13, 2016 - CityLab

Study: Motivations for Active Transportation Vary by Income Levels

The motivations to walk or bike vary greatly by income levels, according to a new study from researchers at the University of Washington. The wealthy, as it turns out, are the outliers.

January 8, 2016 - University of Washington

Pave Paradise and Put Up a 16-Mile Parking Lot—An Inventory of L.A. County Parking

A new study quantifies the amount of space devoted to parking in Los Angeles County—a figure that just begs to be visualized.

January 7, 2016 - Better Institutions

Study: Climate Change Turning World's Lakes Into Hot Tubs

The message of a new study funded by NASA and the National Science Foundation: don't forget freshwater when considering the impacts of climate change. Lakes and other bodies of water are threatened by potentially catastrophic vulnerabilities.

December 20, 2015 - NASA Global Climate Change

Vacant Lot in Detroit

Land Use Policies and the Future of Cities

Land is perhaps the most fundamental consideration in every variety of planning process—the cost of land, the availability of land, the condition of land, etc. A new e-book studies the importance of land to the global urban future.

December 15, 2015 - At Lincoln House

Study Reveals How People Link Bike Share and Transit

Bike share changes the way people use transit, depending on the time and the place.

December 11, 2015 - Streetsblog USA

Analyzing the Impacts of Choice Neighborhoods Grants

A new study examines the question of how to achieve neighborhood transformation through the Choice Neighborhoods federal grant program.

November 25, 2015 - Urban Institute

Estimated Cost Savings of 10 Percent of People Riding Bikes: $24 Trillion

The mode share for bikes in urban environments around the world currently sits around 6 percent. A new report out of a university located in one of the most bike-friendly cities in the country quantifies the benefits of 10 percent mode share.

November 19, 2015 - Climate Central

Where People Choose to Live—Simple and Also Not-So-Simple

A new study confirms much of what we already suspect about the choices people make about where to live, but with a far-reaching, scientific approach.

November 12, 2015 - CityLab

Trees and People

Researchers Finding Evidence of the Negative Impacts of Trees in Urban Settings

More and more evidence has emerged in recent years about the many benefits of trees in urban environments. Every now and then, however, a study finds evidence that tress might not always be as benevolent as they seem.

November 11, 2015 - The Conversation

Rainy Biker

Why Biking and Walking Can't Be Lumped Together

Biking and walking are often assumed as two peas in a pod, when in fact it might be more helpful to think of them as apples and oranges.

November 2, 2015 - Bike Portland

Aerial views during an Army search and rescue mission show damage from Hurricane Sandy to the New Jersey coast, Oct. 30, 2012.

How Sea Level Rise Will Change the Country's Geography

In a worst case scenario, generated by a new study published in the Proceedings of the National Academy of Sciences of the United States of America, land home to 25 million Americans will be lost to rising seas as a result of climate change.

October 15, 2015 - The Washington Post

New York Historic map

Study Quantifies Land Use Benefits of Transit Investments

A study by the Transportation Research Board calculates "land use effect" and "ridership effect" to show how much land is saved when cities include public transit.

September 30, 2015 - Streetsblog USA

Surveying the Academic Findings about Gentrification and Displacement

Gentrification is neither a quick nor an easy study—as many Planetizen readers know. But what has been discovered thus far, and what obstacles to more understanding need to be overcome?

September 20, 2015 - The Washington Post - Wonkblog

On the 'Tree Wealth' of the World's Countries

A closer look at the data of a study revealing the number of trees on the planet shows several ways to compare and contrast the relative resources, in the form of trees, of countries around the world.

September 17, 2015 - The Washington Post

Technology Enables a New Understanding of the World's 3.04 Trillion Trees

A news study, combining satellite imagery and field study, dramatically increases the estimated trees in the world. What has not changed: how quickly humans are killing those trees off.

September 4, 2015 - The Washington Post

The Influence of Public Works on Gentrification

New research examines the role of public investments in gentrification.

September 3, 2015 - CityLab

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.

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.