{
  "name": "Travel Center Location",
  "description": "Structure of a TA/Petro travel center location",
  "fields": [
    {"name": "id", "type": "string", "required": true, "description": "Location identifier"},
    {"name": "name", "type": "string", "required": true, "description": "Location name"},
    {"name": "brand", "type": "enum(TA|Petro|TA Express)", "required": true, "description": "Brand"},
    {"name": "address", "type": "string", "required": true, "description": "Street address"},
    {"name": "city", "type": "string", "required": true, "description": "City"},
    {"name": "state", "type": "string", "required": true, "description": "US state code"},
    {"name": "zip", "type": "string", "required": false, "description": "ZIP code"},
    {"name": "lat", "type": "number", "required": true, "description": "Latitude"},
    {"name": "lon", "type": "number", "required": true, "description": "Longitude"},
    {"name": "phone", "type": "string", "required": false, "description": "Phone number"},
    {"name": "hours", "type": "string", "required": false, "description": "Operating hours"},
    {"name": "truck_lanes", "type": "integer", "required": false, "description": "Number of truck fuel lanes"},
    {"name": "truck_parking_spaces", "type": "integer", "required": false, "description": "Truck parking capacity"},
    {"name": "amenities", "type": "array<string>", "required": false, "description": "Available amenities"}
  ]
}