Research

Blurred black and white image of bicycle laying down in road with orange traffic cone in foreground.

Trump Administration Takes Aim at Transportation Research

Researchers warn of a “chilling environment” as studies examining road safety and other topics are killed off and layoffs hit federal agencies.

March 2, 2025 - Bloomberg News

Collage of 5 GIS maps from the ESRI American Community Survey (ACS) Atlas Collection.

Explore US Demographics With the New ACS Atlas Collection

Esri's new ACS Atlas Collection offers interactive applications that visualize the latest U.S. demographic and socio-economic data, enabling users to explore over 175 curated web maps across various thematic areas.

February 27, 2025 - ArcGIS Blog

Man and two children on bikes next to red and silver train on sunny day.

How ‘Anti-DEI’ Efforts Impact Sustainable Transportation Studies

Research into accessibility, transit equity, and traffic safety is losing federal funding at an alarming rate.

February 11, 2025 - Streetsblog USA

Close-up of signs being held up at climate change protest

Report: 100 Trends Urban Planners Need to Know About

APA’s third annual Trend Report for Urban Planners is out and offers a comprehensive look at potential drivers of change that could impact communities and the work of planners for decades to come.

February 11, 2024 - American Planning Association

Single oil derrick on dry prairie with faded blue sky in background.

Do Environmentalists Confuse Oil Production With Oil Demand?

Samantha Gross, the director of the Energy Security and Climate Initiative at the Brookings Institution, argues that the key to reducing emissions is to do the hard work of reducing oil demand rather than focusing on ending U.S. oil drilling.

October 22, 2023 - Brookings Institution

Green Stormwater Infrastructure

FYI about GSI: The Recipe for Green Stormwater Infrastructure Success

New research highlights some of the ways planners can increase the social benefits and public acceptance of green stormwater infrastructure.

May 20, 2021 - Christopher Tirri

Purple Line Extension Construction

New Database Quantifies the Costs of Transit Construction in the United States

The Eno Center for Transportation launched the first institutional investigation of the cost of transit projects earlier this year and recently released its initial findings, with promises for more in-depth case studies to come.

December 15, 2020 - Eno Center for Transportation

Proterra Electric Bus

Studying AI's Potential to Optimize Public Transit Systems

Three projects are underway to optimize the efficiency and cost of public transit systems, thanks to government funding from the U.S. Department of Transportation (USDOT) and the U.S. Department of Energy (DOE).

October 29, 2020 - Smart Cities Dive

Millennial Commerce

Report Assesses Equity Outcomes for the Opportunity Zone Program

Critics have raised doubts and concerns about the potential misuse of the federal Opportunity Zone program since it was approved in 2017, but a new report finds some evidence that the program is working toward its promoted intention.

June 22, 2020 - Urban Institute

Montreal Freeway

Research on the Benefits and Limitations of Telecommuting to Inform a New Transportation Normal

If public transit suffers long-term consequences from the coronavirus, as many experts predict, telecommuting could be a key tool in reducing pollution and congestion, but it creates problems of its own and its effects aren't entirely clear.

May 7, 2020 - Transportation Research Board

Autonomous Vehicle

Report Details the Impact of Emerging Transportation Technologies

The National Cooperative Highway Research Program has released a report that looks at the effects of new transportation-related technologies on public agencies .

February 16, 2020 - TRB National Cooperative Highway Research Program

Home Remodel

Home Improvements Expected to Slow Substantially in the Upcoming Year

It will be a quick transition from record spending on home renovations to a steep decline in spending, according to a new report.

July 22, 2019 - HousingWire

Philadelphia, Pennsyvlania

Study: Not All Gentrification Effects Are Equal

A comprehensive national study finds that for many original residents of gentrifying neighborhoods, the effects of gentrification can have positive effects.

July 17, 2019 - The Philadelphia Inquirer

Pop-Up Park

The Surprising Benefit of Pop-Up Parks to Bio-Diversity

A new study finds that interim recreational use of underutilized sections of crowded cities can benefit more than just humans.

July 8, 2019 - Next City

Luxury Hotel

New Research Measures Airbnb's Massive Industry Footprint

The world hasn't been the same since Airbnb launched in 2008 and quickly grew in popularity.

May 30, 2019 - CityLab

Building Trades

Research: Financial Practices Partly Responsible for the Rental Affordability Crisis

Zoning and the economy aren't the only factors in neighborhood change—financial regulations and policies, sometimes seemingly unrelated, also have an effect.

May 30, 2019 - Joint Center for Housing Studies of Harvard University

Housing

Study Reveals Ineffectiveness of Work Requirements for Housing Assistance

Work requirement programs achieve very little in helping housing assistance recipients find work, according to a recent study.

April 25, 2019 - Curbed

Portland

What Will the Future of Homeownership Look Like?

Homeownership rates declined precipitously in the United States up until 2016. While that trend has reversed in more recent years, it's still hard to tell what the future of homeownership will be.

March 27, 2019 - Harvard Center for Joint Housing Studies

Alstom Train

Evidence of the 'Gender Commuting Gap'

Men are more likely to undertake longer commutes, according to recent analysis of U.K. commuting habits.

November 12, 2018 - Office for National Statistics

Urban Planning Model

Is There Science in Planning?

A survey of planning offices in the United States reveals an important dynamic of professional practice.

October 24, 2018 - Edward J. Jepson Jr.

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.