Chuck Marohn interviews Don Kostelec, a Strong Towns member and Senior Planning Associate at Alta Planning + Design based in Boise, ID. He's also the creator of this awesome video series.

Chuck and Don discuss a deadly street in Springfield, MA. (Read Chuck's open letter to the city of Springfield and the follow-up article for more back story.) They also chat about the challenges of the engineering and planning professions in general, and the nuance necessary in examining car crash data.