Extreme Engineering - Season 1 - Eps 9: Boston's Big Dig
Boston's new transport system, which features a multi-lane underground highway and the world's widest cable-stayed bridge
About Extreme Engineering

Title: Extreme Engineering
First Air Date: 2003-04-13
Last Air Date: 2011-07-09
Status: Ended
Rating: 7/10 (from 20 votes)
Language: EN
Seasons: 9
Total Episodes: 77
Network: Discovery
Genres: Documentary
Production Companies: Powderhouse Productions
Synopsis
Extreme Engineering covers major construction projects from all around the world. Some are futuristic projects that may never be done, others are projects that are on there way to completion.