@openstreetmap/id-tagging-schema/data/fields/junction/ref_oneway.json

The OpenStreetMap tagging model used by the iD editor

{
    "key": "junction:ref",
    "type": "text",
    "label": "Junction Number",
    "prerequisiteTag": {
        "key": "oneway",
        "value": "yes"
    }
}