Boston's Big Dig Project was plagued with mistakes and problems. Review documents and articles about the Big Dig (http://www.boston.com/news/specials/big_dig_problems/, http://www.city-journal.org/html/17_4_big_dig.html, http://www.designnews.com/article/484-Boston_s_Big_Dig_One_of_Engineering_s_Biggest_Mistakes_.php). Search on the internet for additional articles if necessary. Looking back at this project, 

what were some of the biggest mistakes made by the project managers? 

How could these mistakes been avoided? Name some problems for each of the project management processes.