東京メトロは、９路線を運行しています。
[{"@id":"urn:uuid:28c287e0-1419-4b91-a57f-d90dcfcd51ab","@type":"odpt:TrainInformation","dc:date":"2025-03-14T22:49:00+09:00","@context":"http://vocab.odpt.org/context_odpt_TrainInformation.jsonld","dct:valid":"2025-03-14T22:54:00+09:00","owl:sameAs":"odpt.TrainInformation:TokyoMetro.Ginza","odpt:railway":"odpt.Railway:TokyoMetro.Ginza","odpt:operator":"odpt.Operator:TokyoMetro","odpt:trainInformationText":{"ja":"現在、平常どおり運転しています。"}},{"@id":"urn:uuid:7702f819-cace-4023-8413-92bb07e8f43b","@type":"odpt:TrainInformation","dc:date":"2025-03-14T22:49:00+09:00","@context":"http://vocab.odpt.org/context_odpt_TrainInformation.jsonld","dct:valid":"2025-03-14T22:54:00+09:00","owl:sameAs":"odpt.TrainInformation:TokyoMetro.Marunouchi","odpt:railway":"odpt.Railway:TokyoMetro.Marunouchi","odpt:operator":"odpt.Operator:TokyoMetro","odpt:timeOfOrigin":"2025-02-25T14:20:00+09:00","odpt:trainInformationText":{"ja":"現在、平常どおり運転しています。"}},{"@id":"urn:uuid:64079a71-d98a-4546-ad67-9864a17d817c","@type":"odpt:TrainInformation","dc:date":"2025-03-14T22:49:00+09:00","@context":"http://vocab.odpt.org/context_odpt_TrainInformation.jsonld","dct:valid":"2025-03-14T22:54:00+09:00","owl:sameAs":"odpt.TrainInformation:TokyoMetro.MarunouchiBranch","odpt:railway":"odpt.Railway:TokyoMetro.MarunouchiBranch","odpt:operator":"odpt.Operator:TokyoMetro","odpt:timeOfOrigin":"2025-02-25T14:20:00+09:00","odpt:trainInformationText":{"ja":"現在、平常どおり運転しています。"}},{"@id":"urn:uuid:cbe9968e-a219-4ac8-890b-02c0a4e8208e","@type":"odpt:TrainInformation","dc:date":"2025-03-14T22:49:00+09:00","@context":"http://vocab.odpt.org/context_odpt_TrainInformation.jsonld","dct:valid":"2025-03-14T22:54:00+09:00","owl:sameAs":"odpt.TrainInformation:TokyoMetro.Hibiya","odpt:railway":"odpt.Railway:TokyoMetro.Hibiya","odpt:operator":"odpt.Operator:TokyoMetro","odpt:timeOfOrigin":"2025-03-12T21:00:00+09:00","odpt:trainInformationText":{"ja":"現在、平常どおり運転しています。"}},{"@id":"urn:uuid:0eeac9ec-1b4d-4253-b528-b1db9b3f0d59","@type":"odpt:TrainInformation","dc:date":"2025-03-14T22:49:00+09:00","@context":"http://vocab.odpt.org/context_odpt_TrainInformation.jsonld","dct:valid":"2025-03-14T22:54:00+09:00","owl:sameAs":"odpt.TrainInformation:TokyoMetro.Tozai","odpt:railway":"odpt.Railway:TokyoMetro.Tozai","odpt:operator":"odpt.Operator:TokyoMetro","odpt:timeOfOrigin":"2025-03-14T11:26:00+09:00","odpt:trainInformationText":{"ja":"現在、平常どおり運転しています。"}},{"@id":"urn:uuid:415f290f-b7b1-4663-bd88-5c0b3cd73c31","@type":"odpt:TrainInformation","dc:date":"2025-03-14T22:49:00+09:00","@context":"http://vocab.odpt.org/context_odpt_TrainInformation.jsonld","dct:valid":"2025-03-14T22:54:00+09:00","owl:sameAs":"odpt.TrainInformation:TokyoMetro.Chiyoda","odpt:railway":"odpt.Railway:TokyoMetro.Chiyoda","odpt:operator":"odpt.Operator:TokyoMetro","odpt:timeOfOrigin":"2025-03-14T05:20:00+09:00","odpt:trainInformationText":{"ja":"現在、平常どおり運転しています。"}},{"@id":"urn:uuid:be5dc6c0-2cc5-4a5f-86b9-d741b28cb409","@type":"odpt:TrainInformation","dc:date":"2025-03-14T22:49:00+09:00","@context":"http://vocab.odpt.org/context_odpt_TrainInformation.jsonld","dct:valid":"2025-03-14T22:54:00+09:00","owl:sameAs":"odpt.TrainInformation:TokyoMetro.Yurakucho","odpt:railway":"odpt.Railway:TokyoMetro.Yurakucho","odpt:operator":"odpt.Operator:TokyoMetro","odpt:timeOfOrigin":"2025-03-03T11:42:00+09:00","odpt:trainInformationText":{"ja":"現在、平常どおり運転しています。"}},{"@id":"urn:uuid:ed94b885-ae2c-484f-adfe-4c2dfdece1d6","@type":"odpt:TrainInformation","dc:date":"2025-03-14T22:49:00+09:00","@context":"http://vocab.odpt.org/context_odpt_TrainInformation.jsonld","dct:valid":"2025-03-14T22:54:00+09:00","owl:sameAs":"odpt.TrainInformation:TokyoMetro.Hanzomon","odpt:railway":"odpt.Railway:TokyoMetro.Hanzomon","odpt:operator":"odpt.Operator:TokyoMetro","odpt:timeOfOrigin":"2025-03-13T00:52:00+09:00","odpt:trainInformationText":{"ja":"現在、平常どおり運転しています。"}},{"@id":"urn:uuid:3a3f41cf-9ad7-48bb-9a12-066b408c7911","@type":"odpt:TrainInformation","dc:date":"2025-03-14T22:49:00+09:00","@context":"http://vocab.odpt.org/context_odpt_TrainInformation.jsonld","dct:valid":"2025-03-14T22:54:00+09:00","owl:sameAs":"odpt.TrainInformation:TokyoMetro.Namboku","odpt:railway":"odpt.Railway:TokyoMetro.Namboku","odpt:operator":"odpt.Operator:TokyoMetro","odpt:timeOfOrigin":"2025-02-28T11:05:00+09:00","odpt:trainInformationText":{"ja":"現在、平常どおり運転しています。"}},{"@id":"urn:uuid:9a0f65ef-ee65-4f62-99f7-8748f2576bfb","@type":"odpt:TrainInformation","dc:date":"2025-03-14T22:49:00+09:00","@context":"http://vocab.odpt.org/context_odpt_TrainInformation.jsonld","dct:valid":"2025-03-14T22:54:00+09:00","owl:sameAs":"odpt.TrainInformation:TokyoMetro.Fukutoshin","odpt:railway":"odpt.Railway:TokyoMetro.Fukutoshin","odpt:operator":"odpt.Operator:TokyoMetro","odpt:timeOfOrigin":"2025-03-07T12:30:00+09:00","odpt:trainInformationText":{"ja":"現在、平常どおり運転しています。"}}]
上記より、地下鉄４路線のみを抽出→$subway