gtfs:headway_secs 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:headway_secs a rdf:Property ;
    rdfs:label "headway_secs"@en,
        "segundos_headway"@es,
        "segundos_intervalo"@pt ;
    rdfs:comment "Time in seconds between two vehicle departures."@en,
        "Tiempo en segundos entre dos salidas de vehículos."@es,
        "Tempo em segundos entre duas partidas de veículos."@pt ;
    rdfs:domain gtfs:Frequency ;
    rdfs:range xsd:integer .