Colombo–Galle–Hambantota–Wellawaya Highway (A2)
E549062
The Colombo–Galle–Hambantota–Wellawaya Highway (A2) is a major coastal trunk road in Sri Lanka that connects Colombo with key southern and southeastern cities including Galle, Hambantota, and Wellawaya.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Colombo–Galle main road | 1 |
| Colombo–Galle–Hambantota–Wellawaya Highway (A2) canonical | 1 |
| Colombo–Galle–Matara road | 1 |
| Colombo–Matara coastal road (A2) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5798538 — 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: Colombo–Galle–Hambantota–Wellawaya Highway (A2) Context triple: [Galle Face Green, hasNearbyInfrastructure, Colombo–Galle–Hambantota–Wellawaya Highway (A2)]
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A.
Southern Expressway of Sri Lanka
The Southern Expressway of Sri Lanka is a major controlled-access highway linking Colombo with key southern cities, significantly reducing travel time and boosting regional economic development.
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B.
Mittraphap Road (Highway 2)
Mittraphap Road (Highway 2) is a major highway in northeastern Thailand that serves as a key route linking Bangkok with Nakhon Ratchasima (Korat) and the Isan region.
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C.
Pali Highway
Pali Highway is a major scenic roadway on the island of Oʻahu that connects Honolulu with the windward side, including the town of Kailua.
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D.
Sri Lankan national highway network
The Sri Lankan national highway network is the country’s primary system of major roads that connects key cities, ports, and regions across the island to support transport, trade, and travel.
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E.
North West Coastal Highway
North West Coastal Highway is a major road in Western Australia that runs along the state’s northwest coast, connecting regional centers such as Geraldton with remote coastal communities and mining areas.
- 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: Colombo–Galle–Hambantota–Wellawaya Highway (A2) Target entity description: The Colombo–Galle–Hambantota–Wellawaya Highway (A2) is a major coastal trunk road in Sri Lanka that connects Colombo with key southern and southeastern cities including Galle, Hambantota, and Wellawaya.
-
A.
Southern Expressway of Sri Lanka
The Southern Expressway of Sri Lanka is a major controlled-access highway linking Colombo with key southern cities, significantly reducing travel time and boosting regional economic development.
-
B.
Mittraphap Road (Highway 2)
Mittraphap Road (Highway 2) is a major highway in northeastern Thailand that serves as a key route linking Bangkok with Nakhon Ratchasima (Korat) and the Isan region.
-
C.
Pali Highway
Pali Highway is a major scenic roadway on the island of Oʻahu that connects Honolulu with the windward side, including the town of Kailua.
-
D.
Sri Lankan national highway network
The Sri Lankan national highway network is the country’s primary system of major roads that connects key cities, ports, and regions across the island to support transport, trade, and travel.
-
E.
North West Coastal Highway
North West Coastal Highway is a major road in Western Australia that runs along the state’s northwest coast, connecting regional centers such as Geraldton with remote coastal communities and mining areas.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
highway in Sri Lanka
ⓘ
trunk road ⓘ |
| alsoKnownAs | A2 Highway NERFINISHED ⓘ |
| connectsCity |
Colombo
NERFINISHED
ⓘ
Galle NERFINISHED ⓘ Hambantota NERFINISHED ⓘ Wellawaya NERFINISHED ⓘ |
| connectsRegion |
Southeastern Sri Lanka
ⓘ
Southern Sri Lanka NERFINISHED ⓘ Western Sri Lanka ⓘ |
| connectsTo |
A4 Highway at Wellawaya
NERFINISHED
ⓘ
Colombo–Matara Expressway (E01) at multiple interchanges ⓘ |
| country | Sri Lanka ⓘ |
| followsCoastOf | southern coast of Sri Lanka ⓘ |
| importance | major coastal trunk route in Sri Lanka ⓘ |
| locatedIn | Sri Lanka NERFINISHED ⓘ |
| maintainedBy | Road Development Authority of Sri Lanka NERFINISHED ⓘ |
| partOf |
A-Grade trunk road network of Sri Lanka
ⓘ
national highway system of Sri Lanka ⓘ |
| passesNear |
Galle Face Green, Colombo
NERFINISHED
ⓘ
Galle Fort NERFINISHED ⓘ Hambantota Port area NERFINISHED ⓘ |
| passesThrough |
Galle District
NERFINISHED
ⓘ
Hambantota District NERFINISHED ⓘ Kalutara District NERFINISHED ⓘ Matara District NERFINISHED ⓘ Monaragala District NERFINISHED ⓘ Southern Province, Sri Lanka NERFINISHED ⓘ Uva Province, Sri Lanka NERFINISHED ⓘ Western Province, Sri Lanka NERFINISHED ⓘ |
| roadNumber | A2 ⓘ |
| roadType | two-lane highway (in many sections) ⓘ |
| routeOrientation |
coastal
ⓘ
north–south ⓘ |
| runsAlong | Indian Ocean coast of Sri Lanka ⓘ |
| serves |
access to southern beaches of Sri Lanka
ⓘ
tourism along the southern coast of Sri Lanka ⓘ |
| terminus |
Colombo
NERFINISHED
ⓘ
Wellawaya NERFINISHED ⓘ |
| usedFor |
freight transport
ⓘ
long-distance passenger transport ⓘ |
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: Colombo–Galle–Hambantota–Wellawaya Highway (A2) Description of subject: The Colombo–Galle–Hambantota–Wellawaya Highway (A2) is a major coastal trunk road in Sri Lanka that connects Colombo with key southern and southeastern cities including Galle, Hambantota, and Wellawaya.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Colombo–Matara coastal road (A2)
this entity surface form:
Colombo–Galle main road
this entity surface form:
Colombo–Galle–Matara road