Boston's Big Dig, what was original estimate and schedule? What was actual estimate and schedule when finished

Question

How much difference was there in time and money? What were the reasons for these differences?

Answer 1

Do you plan on Dining in the Big Dig?  If not, you asked this in the wrong category!

Answer 2

Here is the Wikipedia article on this subject.  It should have all the information you need and more.

http://en.wikipedia.org/wiki/Big_Dig_%28...