CA/T

E396352
highway megaproject infrastructure project transportation project tunnel construction project

CA/T is the commonly used abbreviation for Boston’s Central Artery/Tunnel Project, better known as the “Big Dig,” a massive highway and tunnel construction megaproject.

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All labels observed (2)

Label Occurrences
CA/T canonical 1
CA/T Project 1

Statements (48)

Predicate Object
instanceOf highway megaproject ⓘ
infrastructure project ⓘ
transportation project ⓘ
tunnel construction project ⓘ
abbreviationFor Central Artery/Tunnel Project ⓘ
surface form: Central Artery/Tunnel
alsoKnownAs Big Dig ⓘ
Central Artery/Tunnel Project ⓘ
surface form: Boston’s Central Artery/Tunnel Project
cityServed Boston ⓘ
country United States of America ⓘ
surface form: United States
engineeringFeature complex traffic management during construction ⓘ
construction under an active city ⓘ
extensive use of slurry walls ⓘ
estimatedCostAtApproval approximately $2.6 billion ⓘ
finalCostEstimate over $14 billion ⓘ
fullName Central Artery/Tunnel Project ⓘ
fundingSource Massachusetts ⓘ
surface form: Commonwealth of Massachusetts

United States government ⓘ
surface form: federal government of the United States
impact created new surface streets and parks ⓘ
reconnected Boston’s North End and waterfront to downtown ⓘ
removed elevated highway from Boston’s downtown waterfront ⓘ
includes Central Artery corridor ⓘ
surface form: Central Artery tunnel

Interstate 90 (Massachusetts) ⓘ
surface form: I-90 extension to Logan Airport

I-93 underground alignment through downtown Boston ⓘ
Ted Williams Tunnel (Boston) ⓘ
surface form: Ted Williams Tunnel

Zakim Bridge ⓘ
surface form: Zakim Bunker Hill Bridge
jurisdiction Massachusetts ⓘ
surface form: Commonwealth of Massachusetts
location Boston ⓘ
Massachusetts ⓘ
majorConstructionPeriod 1990s ⓘ
2000s ⓘ
managingAgency Massachusetts Department of Transportation ⓘ
surface form: Massachusetts Highway Department

Massachusetts Turnpike Authority ⓘ
notableFor being one of the most expensive highway projects in U.S. history ⓘ
construction delays ⓘ
cost overruns ⓘ
engineering complexity ⓘ
primaryPurpose improve traffic flow through downtown Boston ⓘ
rebuild Boston’s Central Artery highway system ⓘ
reduce congestion on Interstate 93 ⓘ
replace elevated Central Artery with tunnels ⓘ
roadType interstate highway ⓘ
servesHighway Interstate 90 ⓘ
Interstate 93 ⓘ
startDate 1991 ⓘ
subjectOf government audits and investigations ⓘ
public controversy ⓘ
substantialCompletionDate 2007 ⓘ
transportationMode automobile traffic ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Central Artery → alsoKnownAs → CA/T ⓘ
Central Artery/Tunnel Project → hasAlias → CA/T ⓘ
this entity surface form: CA/T Project