"four-tracked" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "four-tracked (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2020 December 2, Christian Wolmar, “Wales offers us a glimpse of an integrated transport policy”, in Rail, page 57",
          "text": "The existing railway is already four-tracked and rather underused. And while separating out the two separate fast and slower tracks will be complicated, it is by no means impossible - or even that expensive.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Having four running lines, usually two in each direction."
      ],
      "id": "en-four-tracked-en-adj-kebvuYUg",
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "running line",
          "running line"
        ]
      ],
      "raw_glosses": [
        "(rail transport) Having four running lines, usually two in each direction."
      ],
      "related": [
        {
          "word": "four-tracking"
        }
      ],
      "synonyms": [
        {
          "word": "four-track"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "(rail transport) having four running lines",
          "word": "viergleisig"
        }
      ]
    }
  ],
  "word": "four-tracked"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "four-tracked (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "four-tracking"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English uncomparable adjectives",
        "en:Rail transportation"
      ],
      "examples": [
        {
          "ref": "2020 December 2, Christian Wolmar, “Wales offers us a glimpse of an integrated transport policy”, in Rail, page 57",
          "text": "The existing railway is already four-tracked and rather underused. And while separating out the two separate fast and slower tracks will be complicated, it is by no means impossible - or even that expensive.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Having four running lines, usually two in each direction."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "running line",
          "running line"
        ]
      ],
      "raw_glosses": [
        "(rail transport) Having four running lines, usually two in each direction."
      ],
      "synonyms": [
        {
          "word": "four-track"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "(rail transport) having four running lines",
      "word": "viergleisig"
    }
  ],
  "word": "four-tracked"
}