RoadDetails/winter_service.json

{
    "type": "overpass",
    "name": {
        "en": "Winter Service",
        "de": "Winterdienst",
        "nl": "Strooiroutes"
    },
    "query": {
        "16": "(way[highway];)"
    },
    "feature": {
        "markerSymbol": "",
        "style": {
            "color": [
                "{% if  attribute(tags, 'winter_service') == \"yes\" %}",
                "green",
                "{% elseif attribute(tags, 'winter_service') == \"limited\" %}",
                "yellow",
                "{% elseif attribute(tags, 'winter_service') == \"no\" %}",
                "red",
                "{% else %}",
                "grey",
                "{% endif %}"
            ]
        }
    }
}