Central Artery/Tunnel Project
E310522
highway project
infrastructure megaproject
transportation project
tunnel project
urban redevelopment project
The Central Artery/Tunnel Project, commonly known as the "Big Dig," was a massive Boston infrastructure megaproject that rerouted the city’s central highway into tunnels to reduce congestion and reclaim urban space.
All labels observed (8)
Statements (58)
| Predicate | Object |
|---|---|
| instanceOf |
highway project
ⓘ
infrastructure megaproject ⓘ transportation project ⓘ tunnel project ⓘ urban redevelopment project ⓘ |
| benefit |
creation of new public open space
ⓘ
improved access to Logan International Airport ⓘ improved connections between I-90 and I-93 ⓘ shorter travel times through downtown Boston ⓘ |
| cityPartner |
Boston, Massachusetts
ⓘ
surface form:
City of Boston
|
| constructionMethod |
cut-and-cover tunneling
ⓘ
immersed tube tunneling under Boston Harbor ⓘ |
| constructionStartDate | 1991 ⓘ |
| controversy |
construction defects and leaks
ⓘ
cost overruns ⓘ political and legal disputes ⓘ safety concerns ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createdUrbanSpace | Rose Kennedy Greenway ⓘ |
| criticizedFor |
large public debt burden
ⓘ
management and oversight problems ⓘ |
| engineeringChallenge |
construction under an active city with minimal traffic disruption
ⓘ
tunneling through soft soils and fill near Boston Harbor ⓘ |
| environmentalImpact |
improved air quality in central Boston
ⓘ
reduced surface traffic congestion in downtown Boston ⓘ |
| estimatedCostAtApproval | approximately 2.6 billion US dollars ⓘ |
| federalPartner | Federal Highway Administration ⓘ |
| finalCost | over 14 billion US dollars ⓘ |
| financingMethod |
federal highway funds
ⓘ
state funds ⓘ |
| hasAlias |
Big Dig
ⓘ
CA/T ⓘ
surface form:
CA/T Project
|
| includesHighway | Interstate 90 ⓘ |
| includesStructure |
Fort Point Channel Tunnel
ⓘ
Ted Williams Tunnel (Boston) ⓘ
surface form:
Ted Williams Tunnel
O'Neill Tunnel ⓘ
surface form:
Thomas P. O’Neill Jr. Tunnel
Zakim Bridge ⓘ
surface form:
Zakim Bunker Hill Bridge
|
| locatedIn |
Boston, Massachusetts
ⓘ
surface form:
Boston
Massachusetts ⓘ United States of America ⓘ
surface form:
United States
|
| majorOpeningDate | 2003 ⓘ |
| managingAgency |
Massachusetts Department of Transportation
ⓘ
surface form:
Massachusetts Highway Department
Massachusetts Turnpike Authority ⓘ |
| namedAfter | Central Artery ⓘ |
| notableFeature |
created new surface parks and boulevards
ⓘ
one of the most expensive highway projects in US history ⓘ placed major downtown highway traffic underground ⓘ |
| officialCompletionDate | 2007 ⓘ |
| planningStartDate | 1982 ⓘ |
| primaryHighway | Interstate 93 ⓘ |
| purpose |
reclaim urban space for parks and development
ⓘ
reduce traffic congestion in downtown Boston ⓘ reroute central highway traffic into tunnels ⓘ |
| region | New England ⓘ |
| replacedStructure | elevated Central Artery ⓘ |
| safetyIncident | 2006 tunnel ceiling collapse ⓘ |
| servesCity | Boston ⓘ |
| substantialCompletionDate | 2007 ⓘ |
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Ted Williams Tunnel
this entity surface form:
Southwest Corridor project
this entity surface form:
Central Artery/Tunnel
this entity surface form:
Central Artery/Tunnel Project redevelopment area
this entity surface form:
Boston Central Artery/Tunnel Project
this entity surface form:
Big Dig project
this entity surface form:
Central Artery/Tunnel Project redevelopment
this entity surface form:
Boston’s Central Artery/Tunnel Project
this entity surface form:
Central Artery/Tunnel