[{
    "geometry": "line",
    "icon": "highway",
    "id": "Road",
    "members": [
        "highway/motorway",
        "highway/trunk",
        "highway/primary",
        "highway/secondary",
        "highway/tertiary",
        "highway/unclassified",
        "highway/residential",
        "highway/service",
        "highway/track",
        "highway"
    ]
}]

[{
    "geometry": "line",
    "icon": "highway",
    "id": "Road",
    "members": [
        "highway/residential",
        "highway/motorway",
        "highway/trunk",
        "highway/primary",
        "highway/secondary",
        "highway/tertiary",
        "highway/unclassified",
        "highway/service",
        "highway/track"
    ]
}]

Optimize road category for 3 column layout
Optimize road category for 3 column layout