Henry Grabar joins subway historian Joseph Raskin on a tour of the G train, charting a history of proactive investment in infrastructure through the vestiges of uncompleted projects along its route.

Announcing the winner of our Fuzzy Math writing competition: Steven Higashide imagines a near future in New York, in which a new City agency — the Department of Externalities — monitors and evaluates the social and environmental effects of everyday actions.

Three student videos investigate borders and urban transitions along 58th Street in Manhattan, aboard the Staten Island Ferry, and within the Hub in the Bronx.

Lawrence Stelter discusses his book on the 3rd Avenue Elevated, which combines a rich archive of his father's photography with a comprehensive understanding of New York’s public transit history.

The director of an MTA program to bring visual art and performance to New York City's public transportation system talks about activating spaces of infrastructure, improving rider experience and harnessing the power of public art.

Transportation and livable streets advocate Mark Gorton explains why the car is a flawed technology for cities and shares his vision for a mostly auto-free New York.

Alexandra Woolsey Puffer and Jeff Maki share the results of a high school student team’s investigation into transit planning and the westward expansion of the 7 line.