grade separation

https://w3id.org/framester/wn/wn30/instances/synset-grade_separation-noun-1 <https://w3id.org/framester/wn/wn30/schema/NounSynset>

xsd:string grade separation 
xsd:string 03451365-n 
grade separation  @en-us
102765311  @en-us
103325284  @en-us
xsd:string
xsd:string
a crossing that uses an underpass or overpass  @en-us
xsd:string 103451365 

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