main/cycle_routes.json

{
    "type": "overpass",
    "query": {
        "6": "relation[type=route][route=bicycle][network~'^(icn)$']",
        "9": "relation[type=route][route=bicycle][network~'^(icn|ncn)$']",
        "12": "relation[type=route][route=bicycle][network~'^(icn|ncn|rcn)$']",
        "15": "relation[type=route][route=bicycle]"
    },
    "minZoom": 6,
    "feature": {
        "style": {
            "color": "{% if tags.network=='icn' %}#ff0000{% elseif tags.network=='ncn' %}#ff007f{% elseif tags.network=='rcn' %}#7f00ff{% else %}#0000ff{% endif %}",
            "weight": 4,
            "opacity": 1.0
        },
        "priority": "{% if tags.network=='icn' %}0{% elseif tags.network=='ncn' %}1{% elseif tags.network=='rcn' %}2{% else %}3{% endif %}"
    }
}