Combining big data sources about bike-share trips with anonymized data from traditional survey research can best capture who is using bike-share programs.
Kumasi in Ghana is one of the world’s fastest growing cities.
Adam Cohn/Flickr
Africa is home to the world’s fastest growing cities. However, poor governance has robbed the continent of the benefits of people and firms clustering together.
Uber drivers live by the app.
Reuters/Eduardo Munoz
One of Uber’s selling points is that a driver is always available to pick up a rider within minutes. But the drivers who make this possible aren’t being compensated for the time they spend waiting.
A safe, connected network of bike lanes and paths encourages cycling.
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Rail advocates often make the case that trains are a cleaner mode of transportation, but why is that so? And what would it take to expand rail in the U.S.?
Grounded Boeing 737 Max airplanes sitting on the tarmac in Washington.
Reuters/Lindsey Wasson
Boeing’s response to the crisis over its 737 Max planes has made the company seem defensive and passive. A crisis management expert explains how Boeing could reclaim the narrative.
Whether to attending a conferences or giving in to a meeting, the global research community is keen on air travel. That’s a habit that needs to change.
This narrow street, lined with parked cars but devoid of people, is both unwelcoming and unsafe for cyclists.
Anne Lusk
Minorities are driving the bicycling boom, but bike infrastructure investments often neglect their needs. A new study explores what riders in low-income and minority neighborhoods want.
Unloading packages and arranging them for delivery in New York City.
AP Photo/Mark Lennihan
Rising e-commerce means more delivery trucks and urban gridlock. Lockers at transit centers, where carriers can leave packages for people who live or work nearby, are a potential solution.
Demonstrators march down Paris’ Champs-Elysees Dec. 8.
AP Photo/Michel Euler
A populist movement that threatened to topple a French government more than 60 years ago has important lessons for today’s protests and why they represent a reckoning.
Charging six cars at once is fine. Charging 60 million might be a bit tougher.
Nadya Kubik/Shutterstock.com
The spread of ride-hailing services and autonomous vehicles will lead to higher energy demand, a study finds. Electric vehicles and a much cleaner grid are the only way to avoid more emissions.
In an attempt to secure their market, conventional taxis enforce “red zones” – areas where online taxi drivers are barred from picking up passengers. This makes it difficult of people with disabilities to access transportation options.
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Instead of being cheaper and safer, getting an online taxi can actually be dangerous for people with disabilities where a so-called “red zone” is in force.
Street in Hangzhou, China, with trees separating a cycle track from road traffic and from the sidewalk.
Xu Wen
Many US cities are investing in bike infrastructure and shade trees. Properly located, these additions can make streets cooler, cleaner and safer for all users – even those who drive.
The bad old days of gas lines in the 1970s and shortages led to the creation of fuel economy rules.
AP Photo
The Trump administration’s move to freeze fuel economy standards reflects a sea change in American energy policy first born during an era of oil shortages and environmental crises.
California and the Trump administration are going different directions on mileage standards.
AP Photo/Rich Pedroncelli
Law scholars from California unpack the legal questions raised by the Trump administration’s plan to roll back mileage standards and revoke California’s ability to set more stringent rules.
Distinguished Blue Planet Prize Professor of Civil and Environmental Engineering and Founding Director, Institute of Transportation Studies, University of California, Davis