gtfs:wheelchair_accessible leaf node

@prefix gtfs: <http://ontology.gtfs.org/reference#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

gtfs:wheelchair_accessible a rdf:Property ;
    rdfs:label "wheelchair_accessible"@en,
        "accesible_silla_ruedas"@es,
        "acessivel_cadeira_rodas"@pt ;
    rdfs:comment "Indicates wheelchair accessibility."@en,
        "Indica accesibilidad para sillas de ruedas."@es,
        "Indica a acessibilidade para cadeiras de rodas."@pt ;
    rdfs:domain gtfs:Trip ;
    rdfs:range xsd:integer .