@openstreetmap/id-tagging-schema/data/fields/roundtrip.json

The OpenStreetMap tagging model used by the iD editor

{
    "key": "roundtrip",
    "type": "check",
    "label": "Forms Loop",
    "terms": [
        "circular",
        "closed",
        "looping",
        "roundtrip"
    ]
}