PortMiami Tunnel
E164325
The PortMiami Tunnel is an underwater roadway in Miami, Florida, that diverts port-related traffic away from downtown by providing a direct connection between the MacArthur Causeway and PortMiami.
All labels observed (4)
| Label | Occurrences |
|---|---|
| PortMiami Tunnel canonical | 5 |
| Port of Miami Tunnel | 1 |
| PortMiami Tunnel infrastructure project | 1 |
| PortMiami Tunnel project | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1426668 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PortMiami Tunnel Context triple: [PortMiami, connectedBy, PortMiami Tunnel]
-
A.
Detroit–Windsor Tunnel
The Detroit–Windsor Tunnel is an underwater vehicular tunnel beneath the Detroit River that connects the cities of Detroit, Michigan, and Windsor, Ontario, serving as a major international border crossing between the United States and Canada.
-
B.
Center City Tunnel
Center City Tunnel is an underground rail corridor in downtown Philadelphia that links several major commuter rail lines to create a unified through-running system.
-
C.
Midtown Tunnel
The Midtown Tunnel is a vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
-
D.
Holland Tunnel
The Holland Tunnel is a vehicular tunnel under the Hudson River that connects Lower Manhattan in New York City with Jersey City in New Jersey and is a major commuter route between the two states.
-
E.
Eisenhower–Johnson Memorial Tunnel
The Eisenhower–Johnson Memorial Tunnel is a high-altitude vehicular tunnel through the Rocky Mountains in Colorado, carrying Interstate 70 beneath the Continental Divide.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: PortMiami Tunnel Target entity description: The PortMiami Tunnel is an underwater roadway in Miami, Florida, that diverts port-related traffic away from downtown by providing a direct connection between the MacArthur Causeway and PortMiami.
-
A.
Detroit–Windsor Tunnel
The Detroit–Windsor Tunnel is an underwater vehicular tunnel beneath the Detroit River that connects the cities of Detroit, Michigan, and Windsor, Ontario, serving as a major international border crossing between the United States and Canada.
-
B.
Center City Tunnel
Center City Tunnel is an underground rail corridor in downtown Philadelphia that links several major commuter rail lines to create a unified through-running system.
-
C.
Midtown Tunnel
The Midtown Tunnel is a vehicular tunnel in the Hampton Roads region that carries traffic beneath the Elizabeth River between Norfolk and Portsmouth, Virginia.
-
D.
Holland Tunnel
The Holland Tunnel is a vehicular tunnel under the Hudson River that connects Lower Manhattan in New York City with Jersey City in New Jersey and is a major commuter route between the two states.
-
E.
Eisenhower–Johnson Memorial Tunnel
The Eisenhower–Johnson Memorial Tunnel is a high-altitude vehicular tunnel through the Rocky Mountains in Colorado, carrying Interstate 70 beneath the Continental Divide.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
highway infrastructure project
ⓘ
road tunnel ⓘ undersea tunnel ⓘ |
| cityServed | Miami ⓘ |
| connectedRoad |
Interstate 395 via MacArthur Causeway
ⓘ
State Road A1A ⓘ
linked to:
State Road A1A
|
| connects |
MacArthur Causeway
ⓘ
PortMiami ⓘ |
| constructionMethod | tunnel boring machine ⓘ |
| constructionStartDate | 2010 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| environmentalConsideration | designed to minimize impacts on Biscayne Bay ⓘ |
| fundingModel | public–private partnership ⓘ |
| hasToll | no ⓘ |
| laneConfiguration | 2 lanes per tube ⓘ |
| length |
approximately 0.8 miles
ⓘ
approximately 1.27 kilometers ⓘ |
| locatedIn |
Florida
ⓘ
Miami ⓘ Miami-Dade County ⓘ |
| notable | first large-diameter bored tunnel in Florida ⓘ |
| numberOfLanes | 4 ⓘ |
| numberOfTubes | 2 ⓘ |
| officialName |
Port of Miami Tunnel
ⓘ
linked to:
PortMiami Tunnel
|
| openingDate | 2014 ⓘ |
| operator | MAT Concessionaire LLC ⓘ |
| owner |
City of Miami
ⓘ
linked to:
Miami
Florida Department of Transportation ⓘ Miami-Dade County ⓘ |
| partOf | transportation infrastructure of PortMiami ⓘ |
| portServed | PortMiami ⓘ |
| projectCost | approximately 1 billion US dollars ⓘ |
| purpose |
divert port-related truck traffic from downtown Miami streets
ⓘ
provide direct roadway access between PortMiami and the interstate highway system ⓘ |
| reducesTrafficOn | downtown Miami surface streets ⓘ |
| region | South Florida ⓘ |
| safetyFeature |
cross passages between tubes
ⓘ
emergency exits ⓘ fire detection and suppression systems ⓘ ventilation system ⓘ |
| timeZone | Eastern Time Zone ⓘ |
| trafficDirection | one-way per tube ⓘ |
| trafficType |
buses
ⓘ
passenger vehicles ⓘ trucks ⓘ |
| tunnelBoringMachineName | Harriet ⓘ |
| under | Government Cut ⓘ |
| waterbody | Biscayne Bay ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: PortMiami Tunnel Description of subject: The PortMiami Tunnel is an underwater roadway in Miami, Florida, that diverts port-related traffic away from downtown by providing a direct connection between the MacArthur Causeway and PortMiami.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.