Our methods for measuring the economic impact of freeways are rooted in 1950s logic. A new report, "Divided by Design" from Smart Growth America, uncovers just how much they leave out. Co-author Beth Osborne says we tend to overestimate how much time and money we'll save on freeways. And we ignore the ways in which freeways can sometimes make trips longer. Divided by Design: https://smartgrowthamerica.org/program/divided-by-design/

Explainer on the value of time: https://www.youtube.com/watch?v=7_KLleAqjBs