{"schema_version":"4ort.packet/1","entity":{"entity_id":"the-loop","kg_uuid":"9920dfbf-0c46-48e5-a689-04e8339ff07b","wikidata_id":"Q2225459","name":"The Loop","description":"circuit of elevated rail that forms the hub of the Chicago 'L' system in the United States","type":"Place","url":"https://4ort.xyz/entity/the-loop"},"status":"complete","as_of":{"copy_written_at":"2026-11-08T14:10:48Z","last_source_edit_seen":"2026-10-13T23:34:45Z","stale_possible":true,"claims_refreshed_at":null,"source_revision":null},"facts":[{"field":"P31","label":"instance of","value":"circle route","value_id":"Q145179","value_raw":"Q145179","rank":"preferred","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P31","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Encyclopedia of Chicago","stated_in_id":"Q5375690","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P31","label":"instance of","value":"fixed construction","value_id":"Q811430","value_raw":"Q811430","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P31","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P31","label":"instance of","value":"rapid transit line","value_id":"Q15079663","value_raw":"Q15079663","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P31","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P571","label":"inception","value":"1897","value_id":null,"value_raw":"+1897-00-00T00:00:00Z","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P571","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://tile.loc.gov/storage-services/master/pnp/habshaer/il/il0300/il0389/data/il0389data.pdf","retrieved":"2021-07-03"},{"stated_in":"Encyclopedia of Chicago","stated_in_id":"Q5375690","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P17","label":"country","value":"United States","value_id":"Q30","value_raw":"Q30","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P17","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"imported_from":"English Wikipedia"}]},"trust":{"band":"medium","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P131","label":"located in the administrative territorial entity","value":"Chicago","value_id":"Q1297","value_raw":"Q1297","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P131","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://loc.gov/pictures/item/il0389/","retrieved":"2021-07-03"},{"url":"https://americanhistory.si.edu/ko/node/46947","title":"Chicago, the Transit Metropolis","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P625","label":"coordinate location","value":"41.88, -87.6464","value_id":null,"value_raw":{"lat":41.88,"lon":-87.6464},"rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P625","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"imported_from":"English Wikipedia"}]},"trust":{"band":"medium","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P127","label":"owned by","value":"Chicago Transit Authority","value_id":"Q117309","value_raw":"Q117309","rank":"normal","current":true,"qualifiers":[{"field":"P580","label":"start time","value":"1947-10-01"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P127","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://tile.loc.gov/storage-services/master/pnp/habshaer/il/il0300/il0389/data/il0389data.pdf","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P127","label":"owned by","value":"Chicago Rapid Transit Company","value_id":"Q933933","value_raw":"Q933933","rank":"normal","current":false,"qualifiers":[{"field":"P580","label":"start time","value":"1924"},{"field":"P582","label":"end time","value":"1947-09-30"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P127","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://tile.loc.gov/storage-services/master/pnp/habshaer/il/il0300/il0389/data/il0389data.pdf","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P276","label":"location","value":"Chicago Loop","value_id":"Q70626","value_raw":"Q70626","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P276","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://americanhistory.si.edu/ko/node/46947","title":"Chicago, the Transit Metropolis","retrieved":"2021-07-03"},{"stated_in":"Encyclopedia of Chicago","stated_in_id":"Q5375690","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P361","label":"part of","value":"Chicago \"L\"","value_id":"Q820880","value_raw":"Q820880","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P361","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://americanhistory.si.edu/ko/node/46947","title":"Chicago, the Transit Metropolis","retrieved":"2021-07-03"},{"imported_from":"English Wikipedia"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P84","label":"architect","value":"John Alexander Low Waddell","value_id":"Q3180888","value_raw":"Q3180888","rank":"normal","current":false,"qualifiers":[{"field":"P518","label":"applies to part","value":"design"},{"field":"P580","label":"start time","value":"1894"},{"field":"P582","label":"end time","value":"1897"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P84","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://loc.gov/pictures/item/il0389/","retrieved":"2021-07-03"},{"url":"https://tile.loc.gov/storage-services/master/pnp/habshaer/il/il0300/il0389/data/il0389data.pdf","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P88","label":"commissioned by","value":"Charles Yerkes","value_id":"Q1066292","value_raw":"Q1066292","rank":"normal","current":false,"qualifiers":[{"field":"P580","label":"start time","value":"1894"},{"field":"P582","label":"end time","value":"1896"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P88","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://tile.loc.gov/storage-services/master/pnp/habshaer/il/il0300/il0389/data/il0389data.pdf","retrieved":"2021-07-03"},{"url":"https://americanhistory.si.edu/ko/node/46947","title":"Chicago, the Transit Metropolis","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P137","label":"operator","value":"Chicago Transit Authority","value_id":"Q117309","value_raw":"Q117309","rank":"normal","current":true,"qualifiers":[{"field":"P580","label":"start time","value":"1947"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P137","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://www.transitchicago.com/looptrackrenewal/","retrieved":"2021-07-03"},{"stated_in":"Encyclopedia of Chicago","stated_in_id":"Q5375690","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P137","label":"operator","value":"Chicago Rapid Transit Company","value_id":"Q933933","value_raw":"Q933933","rank":"normal","current":false,"qualifiers":[{"field":"P580","label":"start time","value":"1924"},{"field":"P582","label":"end time","value":"1947"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P137","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://tile.loc.gov/storage-services/master/pnp/habshaer/il/il0300/il0389/data/il0389data.pdf","retrieved":"2021-07-03"},{"url":"https://americanhistory.si.edu/ko/node/46947","title":"Chicago, the Transit Metropolis","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P186","label":"made from material","value":"steel","value_id":"Q11427","value_raw":"Q11427","rank":"normal","current":null,"qualifiers":[{"field":"P518","label":"applies to part","value":"structure"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P186","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://tile.loc.gov/storage-services/master/pnp/habshaer/il/il0300/il0389/data/il0389data.pdf","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P186","label":"made from material","value":"wood","value_id":"Q287","value_raw":"Q287","rank":"normal","current":null,"qualifiers":[{"field":"P518","label":"applies to part","value":"deck"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P186","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://tile.loc.gov/storage-services/master/pnp/habshaer/il/il0300/il0389/data/il0389data.pdf","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P454","label":"Structurae structure ID","value":"10001405","value_id":null,"value_raw":"10001405","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P454","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1619","label":"date of official opening","value":"1897-09-06","value_id":null,"value_raw":"+1897-09-06T00:00:00Z","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P1619","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://loc.gov/pictures/item/il0389/","retrieved":"2021-07-03"},{"url":"https://tile.loc.gov/storage-services/master/pnp/habshaer/il/il0300/il0389/data/il0389data.pdf","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1621","label":"detail map","value":"Union Loop.png","value_id":null,"value_raw":"Union Loop.png","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P1621","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"imported_from":"French Wikipedia"}]},"trust":{"band":"medium","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1889","label":"different from","value":"Chicago Loop","value_id":"Q5095693","value_raw":"Q5095693","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P1889","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1951","label":"investor","value":"Charles Yerkes","value_id":"Q1066292","value_raw":"Q1066292","rank":"normal","current":false,"qualifiers":[{"field":"P580","label":"start time","value":"1894"},{"field":"P582","label":"end time","value":"1899"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P1951","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://tile.loc.gov/storage-services/master/pnp/habshaer/il/il0300/il0389/data/il0389data.pdf","retrieved":"2021-07-03"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P3311","label":"image of design plans","value":"Union Elevated Railroad, Union Loop, Wells, Van Buren, Lake Streets and Wabash Avenue, Chicago, Cook County, IL HAER ILL,16-CHIG,108- (sheet 1 of 1).png","value_id":null,"value_raw":"Union Elevated Railroad, Union Loop, Wells, Van Buren, Lake Streets and Wabash Avenue, Chicago, Cook County, IL HAER ILL,16-CHIG,108- (sheet 1 of 1).png","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P3311","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P3451","label":"nighttime view","value":"CTA Night.jpg","value_id":null,"value_raw":"CTA Night.jpg","rank":"normal","current":null,"qualifiers":[{"field":"P585","label":"point in time","value":"2009-05-29"},{"field":"P2096","label":"media legend","value":"Blick nach Norden von der Elevated Station Adams and Wabash"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P3451","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"imported_from":"Wikimedia Commons"}]},"trust":{"band":"medium","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P3847","label":"Open Library subject ID","value":"chicago_union_loop_elevated_structure_(chicago_ill.)","value_id":null,"value_raw":"chicago_union_loop_elevated_structure_(chicago_ill.)","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P3847","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P3858","label":"route diagram template","value":"Template:The Loop (CTA)","value_id":"Q20343485","value_raw":"Q20343485","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P3858","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P5252","label":"winter view","value":"Blizzard (6001919760).jpg","value_id":null,"value_raw":"Blizzard (6001919760).jpg","rank":"normal","current":null,"qualifiers":[{"field":"P585","label":"point in time","value":"2010-12-12"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P5252","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P5817","label":"state of use","value":"in use","value_id":"Q55654238","value_raw":"Q55654238","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P5817","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P8655","label":"LoC HABS/HAER/HALS place ID","value":"il0389","value_id":null,"value_raw":"il0389","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P8655","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"imported_from":"English Wikipedia"}]},"trust":{"band":"medium","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P13772","label":"Harper's tag","value":"chicago-union-loop-elevated-structure-chicago-ill","value_id":null,"value_raw":"chicago-union-loop-elevated-structure-chicago-ill","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q2225459#P13772","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}}],"unknowns":[],"omitted":{"facts":0,"reason":null},"licences":[{"source":"wikidata","source_name":"Wikidata","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"fields":["P31","P571","P17","P131","P625","P127","P276","P361","P84","P88","P137","P186","P454","P1619","P1621","P1889","P1951","P3311","P3451","P3847","P3858","P5252","P5817","P8655","P13772"]}],"routes":{"entity_page":"https://4ort.xyz/entity/the-loop","packet_api":"https://4ort.xyz/api/v1/entities/the-loop/packet","facts_jsonld":"https://4ort.xyz/entity/the-loop/facts.json","changes_api":"https://4ort.xyz/api/v1/knowledge/get_entity_changes?entity=the-loop","attention_api":"https://4ort.xyz/api/v1/knowledge/get_attention?entity=the-loop","wikidata":"https://www.wikidata.org/wiki/Q2225459","official_website":null},"trust_rules":{"wikidata-reference-support/2":"From the references in our copy of the statement: high = it cites a source (stated in P248, or a reference URL that is not Wikipedia); medium = only 'imported from Wikimedia project' or a Wikipedia URL; unscored = our copy holds no reference (older copies dropped references, so this is not evidence that Wikidata has none). Wikidata may hold more references than our copy shows. Reference support, not a probability."},"notes":["Our copy of this item's statements has not been checked against Wikidata since tracking began (2026-10-25); a newer value may exist."]}