NPR’s “The Diane Rehm Show” had on a special guest in U.S. Transportation Secretary Anthony Foxx last Thursday to discuss the impact of the American highway system. Here’s a clip:

When the country’s urban freeways were constructed, they were often routed through low income, minority neighborhoods. Instead of connecting us to each other, Foxx says many of these highways were intentionally built to separate us. He says it’s a legacy the country has struggled to address and it’s one Foxx hopes to begin to repair.

To read the full transcript or listen to the segment, click here.