Southern Expressway of Sri Lanka

E402884
controlled-access highway expressway

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.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (3)

Label Occurrences
Colombo–Matara corridor 1
Matara–Hambantota extension 1
Southern Expressway of Sri Lanka canonical 1

Statements (46)

Predicate Object
instanceOf controlled-access highway ⓘ
expressway ⓘ
accessControl limited access via interchanges ⓘ
connectsCity Colombo ⓘ
Galle ⓘ
Hambantota ⓘ
Matara ⓘ
connectsTo Southern Expressway of Sri Lanka self-linksurface differs ⓘ
surface form: Matara–Hambantota extension

Outer Circular Expressway (Sri Lanka) ⓘ
country Sri Lanka ⓘ
designedFor motor vehicles only ⓘ
hasEconomicImpact improved logistics for southern ports and tourism areas ⓘ
stimulated investment in southern Sri Lanka ⓘ
hasJunction Galle interchange ⓘ
Godagama interchange ⓘ
Hambantota interchange ⓘ
Kottawa interchange ⓘ
Matara interchange ⓘ
hasLaneConfiguration dual carriageway ⓘ
hasServiceArea roadside service facilities at selected interchanges ⓘ
hasSpeedLimit typically 100 km/h ⓘ
hasToll yes ⓘ
languageOfSignage English ⓘ
Sinhala ⓘ
Tamil ⓘ
locatedIn Sri Lanka ⓘ
maintainedBy Road Development Authority of Sri Lanka ⓘ
openedInPart 2011 ⓘ
2014 ⓘ
2019 ⓘ
partOfNetwork Sri Lankan expressway network ⓘ
passesNear Bentota ⓘ
Galle ⓘ
Matara ⓘ
passesThroughProvince Southern Province ⓘ
Western Province ⓘ
primaryFunction reduces travel time between Colombo and southern Sri Lanka ⓘ
supports regional economic development in southern Sri Lanka ⓘ
roadType E-class expressway ⓘ
safetyFeature central median ⓘ
emergency telephones ⓘ
grade-separated interchanges ⓘ
guard rails ⓘ
terminusNorth Colombo Metropolitan Region ⓘ
surface form: Colombo region

Dematagoda ⓘ
surface form: Kottawa
terminusSouth Hambantota ⓘ

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: Southern Expressway of Sri Lanka
Description of subject: 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.

Referenced by (3)

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

A2 coastal highway → parallelTo → Southern Expressway of Sri Lanka ⓘ
Hikkaduwa railway station → lineDirection → Southern Expressway of Sri Lanka ⓘ
this entity surface form: Colombo–Matara corridor
Southern Expressway of Sri Lanka → connectsTo → Southern Expressway of Sri Lanka self-linksurface differs ⓘ
subject surface form: Southern Expressway (Sri Lanka)
this entity surface form: Matara–Hambantota extension