{
    "key": "crossing:markings",
    "type": "combo",
    "label": "{crossing/markings}",
    "autoSuggestions": false,
    "stringsCrossReference": "{crossing/markings}",
    "iconsCrossReference": "{crossing/markings}",
    "options": [
        "zebra",
        "dots",
        "surface",
        "yes",
        "no"
    ],
    "locationSet": {
        "include": [
            "PL"
        ]
    }
}