{
    "key": "surface",
    "type": "combo",
    "label": "Surface",
    "strings": {
        "options": {
            "asphalt": "Asphalt",
            "unpaved": "Unpaved",
            "paved": "Paved",
            "ground": "Ground",
            "gravel": "Gravel",
            "compacted": "Compacted",
            "concrete": "Concrete",
            "paving_stones": "Paving Stones",
            "sett": "Sett",
            "dirt": "Dirt",
            "grass": "Grass",
            "sand": "Sand",
            "wood": "Wood",
            "metal": "Metal",
            "artificial_turf": "Artificial Turf",
            "unhewn_cobblestone": "Cobblestone (uncut, rounded stones)",
            "mud": "Persistently Muddy",
            "woodchips": "Woodchips",
            "salt": "Salt"
        }
    }
}