An analysis of big dig

Spending so much money wisely is daunting.

An analysis of big dig

Boston commute is as congested as it was 10 years ago To everything there is a season, and a 10th anniversary — in Big Dig lore, the opening of the Albany Street ramps marked its completion — is a time for taking stock.

A full decade since this thing was wrapped up. If we could turn back time, what would be done differently for better outcomes — or would this mother of mega projects be attempted at all?

Congestion, coupled with the perceived need to compete with flourishing suburbs, prompted Boston and cities around the nation to create urban freeways.

An analysis of big dig

New York City master builder Robert Moses established the model with highways like the Cross Bronx Expressway, and Boston eagerly followed the game plan with the construction of Interstate 93 through downtown. The elevated six-lane Central Artery, which opened inlinked the Southeast Expressway with points north, with plentiful offramps to access the city and its proliferation of above-ground parking garages.

By the end of the s, however, cities started to say no to rampant highway building. The Commonwealth instead poured money into transit projects like extending the Red Line while the Central Artery was left to bear the burden of highway traffic by itself.

By the early s, the elevated roadway was hopelessly congested, and engineers pronounced its structural failure imminent.

The concept was not entirely new; I was already underground through the Dewey Square tunnel from Chinatown to South Station. Boston would simply finish the job, tear down the unsightly Central Artery, and reconnect severed neighborhoods in the process.


The Ted Williams Tunnel became the necessary appendage in the Central Artery and Tunnel project, appealing to the feds because it would complete an interstate highway system. But with expanded scope, costs and complications started ratcheting up.

Planning for the new world order got underway in Downtown Boston abovebefore and after the Central Artery was replaced with an underground tunnel. To see the change, move the line above to the left or right.

True cost of Big Dig exceeds $24 billion with interest, officials determine |

How is motorized vehicle traffic moving through the new system? After it opened, the Central Artery comfortably carried about 75, vehicles a day. By the early s, that number had reached , making it one of the most congested highways in the United States — and projections into the 21st century were for many more cars.

Looking at the new roadway system by itself, the Central Artery and Tunnel project is solving that problem, with capacity to spare. It handles aboutvehicles each weekday.


Bottlenecks are minimized through the use of the add-a-lane design, where onramps become a permanent additional lane, requiring less merging. Advertisement There are caveats.

The theory of induced demand — that as more highway lanes are built, more traffic will come to fill them — has played out as predicted, particularly at the Ted Williams Tunnel, where traffic typically stacks up every evening trying to get to East Boston, Logan, and points north.

A Boston Globe analysis found that while traffic was moving better in the core, it was worse elsewhere.

Big Dig - Wikipedia

Greater Boston continues to rank high in national congestion surveys. As a 20th-century, last-of-its-breed highway project, the Big Dig does its job. The rationale was that easing gridlock downtown would be beneficial for the economy and the flow of goods and services.Jul 10,  · As construction wound down on the Big Dig nearly a decade ago, officials disclosed that the cost of the highway megaproject had escalated to nearly $15 billion.

Case Study of the Big Dig in Boston Essay Words Sep 11th, 6 Pages The Central Artery/Tunnel Project, known unofficially as the Big Dig, in Boston was the most expensive highway project in the U.S.

An analysis of big dig

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The Big Dig was no mere act of public works, never talked about in the way New Yorkers refer to the Lincoln Tunnel or the George Washington Bridge — . The Big Dig's Cost History. We begin with an analysis of the Big Dig financial data.

Jul 10,  · As construction wound down on the Big Dig nearly a decade ago, officials disclosed that the cost of the highway megaproject had escalated to nearly $15 billion. The Central Artery project's unique challenge was to construct this project in the middle of Boston without crippling the city. Risk Assignment: Boston Big Dig Project Case Solution,Risk Assignment: Boston Big Dig Project Case Analysis, Risk Assignment: Boston Big Dig Project Case Study Solution, Planning The MTA should direct both the contractors to develop a joint task team that could supervise the proceedings of the whole project and identify the.

Exhibit 2 shows the cost history of the Big Dig. The major feature of Exhibit 1 is the staggering cost growth (blue line). Inflation on the Big Dig. The impact of inflation on the Big Dig is interesting.

Avila University – PM Class Paper– The Big Dig You will provide an analysis of “The Big Dig” construction project (Boston, MA area). You will have to do some investigation and digging (pun intended) for information.

An analysis of big dig