Bike sharing—both docked and undocked, manual and electric-assist—plus kick and electric scooters have become commonplace in cities across the U.S. But best practices are still emerging, and cities are often not sure if these new micromobility devices will bring positive or negative

Cities exist to provide people and firms with access to goods, services, employment, and other people. A mark of a city’s success is the clustering of complementary land uses to residents’ and businesses’ mutual benefit; the more people and activities within reach of each other, the greater

By Brian Lutenegger A new report examines existing research and new data on the impact of Transportation Network Companies (TNCs) like Uber and Lyft on U.S. cities. TNCs can have negative impacts on urban areas by contributing to traffic congestion—but, if planned and regulated properly, can

By Brian Lutenegger The Shared Mobility Principles for Livable Cities, launched in 2017 and spearheaded by the founder of ZipCar, has now added corporate signers to its ranks. At the same time, one car manufacturer has announced plans to have fully autonomous vehicles on the road as rideshare

By Robbie Webber The National Association of City Transportation Officials has released a guide for cities to prepare for a future with autonomous vehicles. Unlike their previous design guides for bikeways, transit, storm water, and overall streets, this blueprint does not present specific design

By Chris McCahill Our National Highway System was built on two major pillars—popular support for new highway construction and federal funding from gas taxes—according to a new paper published in Research in Transportation Business and Management. Both have recently shown signs of weakening,

By Bill Holloway Efforts to duplicate the urban freeway removal success stories of Milwaukee and San Francisco, both of which allowed valuable urban land to be redeveloped, face an uphill battle despite many boosters. The debate between urban boosters and state DOTs that control most urban

By Eric Sundquist In a widely covered March 29 speech and interviews, U.S. Transportation Secretary Anthony Foxx described some of the negative effects that highway building has had on cities— particularly middle- and lower-income neighborhoods. The former Charlotte, N.C., mayor recalled his

By Robbie Webber The Alliance for Biking and Walking has released its biennial benchmarking report, providing a wealth of information on programs, policies, data, and case studies from all 50 states, the 50 largest U.S. cities, plus 18 additional medium-sized cities. At the same time, a report

In a paper presented at the 2016 TRB Annual Meeting, SSTI Senior Associate Chris McCahill and colleagues from University of Connecticut examined the cause and effect of parking and driving habits. Automobile use has been on the rise in cities for nearly a century and so has the supply of