![Picture of Dan McNichol](https://wordpress.wbur.org/wp-content/uploads/2018/02/dan-mcnichol.jpeg)
Dan McNichol
Cognoscenti contributor
Dan McNichol, is the author of several books including, "The Roads That Built America: The Incredible Story of the U.S. Interstate System" and former chief spokesperson for The Big Dig. He is working on a book about the Second Avenue Subway in New York City.