Visit Your Local PBS Station PBS Home PBS Home Programs A-Z TV Schedules Watch Video Donate Shop PBS Search PBS
BUILDING BIG LogoImage with 5 links within the image.
Tunnel
BUILDING BIG Home Page BUILDING BIG Site Map BUILDING BIG Labs BUILDING BIG Databank BUILDING BIG Glossary
Bridges
Domes
Skyscrapers
Dams
Tunnels
Buy the DVD
_  
Heavy construction vehicles working on a stretch of the Big Dig, Boston, Massachusetts, 2000
Central Artery/Tunnel Project (Big Dig)
AP/Wideworld Photos

Go to Tunnel Basics
View Databank Entry


 
_