Angie Schmitt

Wednesday was National Bike to School Day, and tens of thousands of American children (hopefully more) are learning how rewarding and fun it can be to get to school on two wheels.

Yesterday was national Bike to School Day, an event that shows kids what it's like to power their own way to school. The fact that we have a special day to promote what used to be part of the daily routine for many children also speaks to the way biking and walking have been marginalized on American streets.

Everyone's paying tribute to Jane Jacobs today, on what would be the pioneering urbanist's 100th birthday. Jacobs' classic critique of mid-century American urban planning dogma, The Death and Life of Great American Cities, is probably the most influential book ever written about planning. But her legacy is also contested, and her ideas still go unheeded in most cities. Was she too averse to change? And how do her theories of city-building work in practice?

Boris Johnson says that one of his goals as mayor of London was to make cycling "more popular and more normal." As Johnson's eight-year tenure winds down, it looks like the progress he made in his second term has accomplished that mission.

Twenty is plenty in Boston, according to its elected officials. The City Council voted unanimously this week to lower the default speed limit on most residential streets to 20 mph -- and not for the first time.

Should transit agencies subsidize short "last-mile" Uber trips to expand transit access for people who live outside comfortable walking distance of a train station?

Every once in a while you have to step back and gape at the sheer scale of the highway interchanges America has built smack in the middle of our cities.

There's good news out of the Senate committee responsible for doling out transportation funds.

This video from the Minneapolis-based satirical site Wedge LIVE sends up the not-in-my-backyard resistance to infill development that could help alleviate the shortage of affordable housing affecting a growing number of American cities.

Every so often someone (usually Joel Kotkin) tries to make the case that the rapid growth of Houston, as opposed to say, Chicago, is evidence that Americans love sprawl.