@openstreetmap/id-tagging-schema/data/presets/railway/narrow_gauge.json

The OpenStreetMap tagging model used by the iD editor

{
    "icon": "temaki-railway_track_narrow",
    "fields": [
        "{railway/light_rail}"
    ],
    "moreFields": [
        "{railway/light_rail}"
    ],
    "geometry": [
        "line"
    ],
    "tags": {
        "railway": "narrow_gauge"
    },
    "terms": [
        "narrow gauge railway",
        "narrow gauge railroad"
    ],
    "name": "Narrow Gauge Track"
}