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Roads -- Design and construction.


View Resource The Big Dig: Worth Its Wait

The Central Artery in Boston, Massachusetts is a notorious six-lane highway known for horrible traffic problems and an extremely high accident rate. A massive engineering undertaking, called the Central Artery/Tunnel Project, was started in 1991 to relieve the congestion and is now about 75% complete. The project's Web site is constantly updated with progress reports, milestones, and anything that...