Homer Tunnel
E821701
Homer Tunnel is a road tunnel in New Zealand’s Fiordland that provides critical access through the mountains on the route to Milford Sound.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Homer Tunnel canonical | 2 |
| Homer Tunnel road corridor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9776672 — 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: Homer Tunnel Context triple: [Milford Road (State Highway 94), passesNear, Homer Tunnel]
-
A.
Bosley Tunnel
Bosley Tunnel is a historic narrowboat canal tunnel in Cheshire, England, forming part of the Macclesfield Canal navigation route.
-
B.
Anton Anderson Memorial Tunnel
The Anton Anderson Memorial Tunnel is a combined rail and highway tunnel in Alaska that provides the only road access to the town of Whittier through the Chugach Mountains.
-
C.
Sumner Tunnel
The Sumner Tunnel is a major vehicular tunnel in Boston that carries traffic under Boston Harbor between East Boston and downtown.
-
D.
Bopeep Tunnel
Bopeep Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the coastal cliffs near St Leonards.
-
E.
Summit Tunnel
Summit Tunnel is a historic railroad tunnel driven through the Sierra Nevada in California, notable for its challenging 19th-century construction as part of the First Transcontinental Railroad.
- 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: Homer Tunnel Target entity description: Homer Tunnel is a road tunnel in New Zealand’s Fiordland that provides critical access through the mountains on the route to Milford Sound.
-
A.
Bosley Tunnel
Bosley Tunnel is a historic narrowboat canal tunnel in Cheshire, England, forming part of the Macclesfield Canal navigation route.
-
B.
Anton Anderson Memorial Tunnel
The Anton Anderson Memorial Tunnel is a combined rail and highway tunnel in Alaska that provides the only road access to the town of Whittier through the Chugach Mountains.
-
C.
Sumner Tunnel
The Sumner Tunnel is a major vehicular tunnel in Boston that carries traffic under Boston Harbor between East Boston and downtown.
-
D.
Bopeep Tunnel
Bopeep Tunnel is a railway tunnel in East Sussex, England, carrying the Tonbridge–Hastings line through the coastal cliffs near St Leonards.
-
E.
Summit Tunnel
Summit Tunnel is a historic railroad tunnel driven through the Sierra Nevada in California, notable for its challenging 19th-century construction as part of the First Transcontinental Railroad.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | road tunnel ⓘ |
| avalancheControl | managed avalanche control programme on approaches ⓘ |
| builtBy | New Zealand Public Works Department ⓘ |
| connectsTo |
Cleddau Valley
ⓘ
Hollyford Valley ⓘ Milford Sound ⓘ |
| constructionMethod | hand drilling and blasting in early stages ⓘ |
| constructionStartDecade | 1930s ⓘ |
| constructionStartYear | 1935 ⓘ |
| country | New Zealand ⓘ |
| elevation | high alpine environment ⓘ |
| hasLighting | yes ⓘ |
| hasVentilation | yes ⓘ |
| hazardManagement | periodic closures during high avalanche risk ⓘ |
| lanes | 2 ⓘ |
| length |
about 1.27 kilometres
ⓘ
approximately 1.2 kilometres ⓘ around 1.3 kilometres ⓘ |
| locatedIn |
Fiordland
ⓘ
linked to:
Fiordland National Park
Fiordland National Park ⓘ South Island ⓘ |
| locatedOnRoute |
Milford Road
ⓘ
State Highway 94 NERFINISHED ⓘ |
| managedBy |
New Zealand Transport Agency
ⓘ
linked to:
Waka Kotahi NZ Transport Agency
|
| near |
Homer Saddle
ⓘ
Homer Tunnel car park ⓘ |
| openedToTrafficYear | 1954 ⓘ |
| openingStatus | opened to traffic in 1954 ⓘ |
| partOf | transport infrastructure to Milford Sound ⓘ |
| passesThrough | Darran Mountains ⓘ |
| passesUnder | Homer Saddle ⓘ |
| providesAccessTo |
Milford Sound
ⓘ
Milford Sound tourism area ⓘ
linked to:
Milford Sound
|
| region |
Southland Region
ⓘ
linked to:
Southland
|
| risk |
avalanche risk in winter
ⓘ
rockfall risk ⓘ |
| roadSurface | sealed ⓘ |
| roadType | two-lane road in single bore ⓘ |
| significance |
critical access route to Milford Sound
ⓘ
key link in State Highway 94 ⓘ |
| surroundedBy | steep alpine terrain ⓘ |
| tourismRole | gateway to Milford Sound cruises and activities ⓘ |
| trafficControl | traffic lights at each portal during busy periods ⓘ |
| trafficDirection | bidirectional ⓘ |
| usage |
local traffic
ⓘ
tourist traffic ⓘ |
| winterConditions | subject to snow and ice ⓘ |
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: Homer Tunnel Description of subject: Homer Tunnel is a road tunnel in New Zealand’s Fiordland that provides critical access through the mountains on the route to Milford Sound.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.