{
  "map_detection_reasoning": "The document contains one relevant map showing the Cunningham Avenue Article 4 Direction area. This map is essential as it clearly delineates the exact boundary of where the Article 4 Direction restrictions apply.",
  "has_map": true,
  "maps": [
    {
      "page_number": 1,
      "map_number": 1,
      "map_address": "Cunningham Avenue, St Albans, UK",
      "map_scale": null,
      "map_key": "Article 4 Direction",
      "original_rotation": 0,
      "polygon_areas": [
        {
          "area_reasoning": "This is the designated Article 4 Direction area where additional planning controls have been implemented since November 3rd, 2014. The area was designated as a Conservation Area on January 28th, 2014.",
          "area_description": "A diagonal polygon area covering properties along Cunningham Avenue. The area extends from the northwest to southeast, with clear boundaries marked by property lines and road edges.",
          "area_details": {
            "shading_type": "color",
            "shading_style": "dashed",
            "shading_colour": "#FF00FF",
            "outline_style": "solid",
            "outline_colour": "#000000",
            "distinct_outline": false
          }
        }
      ],
      "image_size": null,
      "page_width": 842.0,
      "page_height": 595.2199,
      "page_size_type": "A4"
    }
  ]
}