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

The OpenStreetMap tagging model used by the iD editor

{
    "key": "two_sided",
    "type": "defaultCheck",
    "label": "Two-Sided",
    "terms": [
        "double-sided"
    ],
    "geometry": [
        "line"
    ],
    "strings": {
        "options": {
            "undefined": "No",
            "yes": "Yes"
        }
    }
}