"control city" meaning in English

{
  "forms": [
    {
      "form": "control cities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "control city (plural control cities)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A city listed as a destination on highway signs."
      ],
      "id": "en-control_city-en-noun-CjLN-JlO",
      "translations": [
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "a city listed as a destination on highway signs",
          "tags": [
            "feminine"
          ],
          "word": "ciudad control"
        }
      ],
      "wikipedia": [
        "control city"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɪti"
    }
  ],
  "word": "control city"
}

{
  "forms": [
    {
      "form": "control cities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "control city (plural control cities)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Rhymes:English/ɪti",
        "Rhymes:English/ɪti/4 syllables"
      ],
      "glosses": [
        "A city listed as a destination on highway signs."
      ],
      "wikipedia": [
        "control city"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɪti"
    }
  ],
  "translations": [
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "a city listed as a destination on highway signs",
      "tags": [
        "feminine"
      ],
      "word": "ciudad control"
    }
  ],
  "word": "control city"
}