Part 2: In the early 1970s a radical idea took shape: tearing down Boston’s elevated downtown highway, and rebuilding it underground. But making it happen will require a grand bargain between two competing tunnel projects, and between bitter enemies.

Credits:

Host and scriptwriter: Ian Coss

Executive Producer: Devin Maverick Robins

Producers: Isabel Hibbard and Ian Coss

Editor: Lacy Roberts

Editorial Advisor: Stephanie Leydon

Fact Checker: Lisa Wardle

Scoring and Music Supervision: Ian Coss

Project Manager: Meiqian He