{"id":"https://openalex.org/W3105655162","doi":"https://doi.org/10.3390/sym12111852","title":"On the Urban Link Fundamental Diagram Based on Velocity-Weighted Flow and Queue Length","display_name":"On the Urban Link Fundamental Diagram Based on Velocity-Weighted Flow and Queue Length","publication_year":2020,"publication_date":"2020-11-10","ids":{"openalex":"https://openalex.org/W3105655162","doi":"https://doi.org/10.3390/sym12111852","mag":"3105655162"},"language":"en","primary_location":{"id":"doi:10.3390/sym12111852","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym12111852","pdf_url":"https://www.mdpi.com/2073-8994/12/11/1852/pdf","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Symmetry","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2073-8994/12/11/1852/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5044037663","display_name":"Hansong Yu","orcid":"https://orcid.org/0000-0003-3577-4607"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hansong Yu","raw_affiliation_strings":["Advanced Control Systems Laboratory, School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China"],"raw_orcid":"https://orcid.org/0000-0003-3577-4607","affiliations":[{"raw_affiliation_string":"Advanced Control Systems Laboratory, School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013166267","display_name":"Junwei Kong","orcid":null},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junwei Kong","raw_affiliation_strings":["Advanced Control Systems Laboratory, School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Advanced Control Systems Laboratory, School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101184368","display_name":"Ye Ren","orcid":"https://orcid.org/0000-0001-7424-206X"},"institutions":[{"id":"https://openalex.org/I1456306","display_name":"North China University of Technology","ror":"https://ror.org/01nky7652","country_code":"CN","type":"education","lineage":["https://openalex.org/I1456306"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ye Ren","raw_affiliation_strings":["School of Electrical and Control Engineering, North China University of Technology, Beijing 100144, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Control Engineering, North China University of Technology, Beijing 100144, China","institution_ids":["https://openalex.org/I1456306"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055805014","display_name":"Chenkun Yin","orcid":"https://orcid.org/0000-0002-7878-4824"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenkun Yin","raw_affiliation_strings":["Advanced Control Systems Laboratory, School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Advanced Control Systems Laboratory, School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China","institution_ids":["https://openalex.org/I21193070"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5044037663"],"corresponding_institution_ids":["https://openalex.org/I21193070"],"apc_list":{"value":2000,"currency":"CHF","value_usd":2227},"apc_paid":{"value":2000,"currency":"CHF","value_usd":2227},"fwci":0.1178,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.4441612,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"12","issue":"11","first_page":"1852","last_page":"1852"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10524","display_name":"Traffic control and management","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10524","display_name":"Traffic control and management","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11344","display_name":"Traffic Prediction and Management Techniques","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10698","display_name":"Transportation Planning and Optimization","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/diagram","display_name":"Diagram","score":0.746113657951355},{"id":"https://openalex.org/keywords/queue","display_name":"Queue","score":0.729564368724823},{"id":"https://openalex.org/keywords/link","display_name":"Link (geometry)","score":0.6260703802108765},{"id":"https://openalex.org/keywords/traffic-flow","display_name":"Traffic flow (computer networking)","score":0.613036572933197},{"id":"https://openalex.org/keywords/flow","display_name":"Flow (mathematics)","score":0.5606696605682373},{"id":"https://openalex.org/keywords/vissim","display_name":"VisSim","score":0.4493997097015381},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4149358868598938},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.38504448533058167},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.3495253920555115},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.31123772263526917},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.17474433779716492},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1382499635219574},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.10219156742095947},{"id":"https://openalex.org/keywords/transport-engineering","display_name":"Transport engineering","score":0.07486981153488159},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.07339093089103699}],"concepts":[{"id":"https://openalex.org/C186399060","wikidata":"https://www.wikidata.org/wiki/Q959962","display_name":"Diagram","level":2,"score":0.746113657951355},{"id":"https://openalex.org/C160403385","wikidata":"https://www.wikidata.org/wiki/Q220543","display_name":"Queue","level":2,"score":0.729564368724823},{"id":"https://openalex.org/C2778753846","wikidata":"https://www.wikidata.org/wiki/Q6554239","display_name":"Link (geometry)","level":2,"score":0.6260703802108765},{"id":"https://openalex.org/C207512268","wikidata":"https://www.wikidata.org/wiki/Q3074551","display_name":"Traffic flow (computer networking)","level":2,"score":0.613036572933197},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.5606696605682373},{"id":"https://openalex.org/C2775988433","wikidata":"https://www.wikidata.org/wiki/Q369244","display_name":"VisSim","level":3,"score":0.4493997097015381},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4149358868598938},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.38504448533058167},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.3495253920555115},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.31123772263526917},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.17474433779716492},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1382499635219574},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.10219156742095947},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.07486981153488159},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.07339093089103699},{"id":"https://openalex.org/C2780015235","wikidata":"https://www.wikidata.org/wiki/Q1934035","display_name":"Microsimulation","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/sym12111852","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym12111852","pdf_url":"https://www.mdpi.com/2073-8994/12/11/1852/pdf","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Symmetry","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:5e79daa39cbb4b8bbaede46fa0ca4d3b","is_oa":true,"landing_page_url":"https://doaj.org/article/5e79daa39cbb4b8bbaede46fa0ca4d3b","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Symmetry, Vol 12, Iss 11, p 1852 (2020)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2073-8994/12/11/1852/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/sym12111852","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Symmetry; Volume 12; Issue 11; Pages: 1852","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/sym12111852","is_oa":true,"landing_page_url":"https://doi.org/10.3390/sym12111852","pdf_url":"https://www.mdpi.com/2073-8994/12/11/1852/pdf","source":{"id":"https://openalex.org/S190787756","display_name":"Symmetry","issn_l":"2073-8994","issn":["2073-8994"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Symmetry","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.8299999833106995,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[{"id":"https://openalex.org/G6325604046","display_name":null,"funder_award_id":"61833001","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7742953596","display_name":null,"funder_award_id":"61433002","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3105655162.pdf"},"referenced_works_count":47,"referenced_works":["https://openalex.org/W562038014","https://openalex.org/W1969392759","https://openalex.org/W1978906727","https://openalex.org/W1982300822","https://openalex.org/W1984517605","https://openalex.org/W1989473098","https://openalex.org/W2013271219","https://openalex.org/W2017506082","https://openalex.org/W2019729492","https://openalex.org/W2020616482","https://openalex.org/W2024603446","https://openalex.org/W2027062751","https://openalex.org/W2031566821","https://openalex.org/W2045828470","https://openalex.org/W2056284729","https://openalex.org/W2056369022","https://openalex.org/W2064091103","https://openalex.org/W2081250777","https://openalex.org/W2082379604","https://openalex.org/W2099472900","https://openalex.org/W2101074405","https://openalex.org/W2130448123","https://openalex.org/W2130627446","https://openalex.org/W2147231850","https://openalex.org/W2148641067","https://openalex.org/W2160884799","https://openalex.org/W2164863800","https://openalex.org/W2177408579","https://openalex.org/W2261655856","https://openalex.org/W2287029937","https://openalex.org/W2509266158","https://openalex.org/W2612902285","https://openalex.org/W2613403349","https://openalex.org/W2749594142","https://openalex.org/W2896374819","https://openalex.org/W2896573495","https://openalex.org/W2899400847","https://openalex.org/W3013760806","https://openalex.org/W3101735333","https://openalex.org/W4246836060","https://openalex.org/W4249282801","https://openalex.org/W6600645789","https://openalex.org/W6615608428","https://openalex.org/W6653820066","https://openalex.org/W6655843409","https://openalex.org/W6685514438","https://openalex.org/W6685668742"],"related_works":["https://openalex.org/W4310634103","https://openalex.org/W3085897220","https://openalex.org/W2053241529","https://openalex.org/W50176465","https://openalex.org/W3209559530","https://openalex.org/W2074901437","https://openalex.org/W849780542","https://openalex.org/W839229733","https://openalex.org/W4323075355","https://openalex.org/W2386957957"],"abstract_inverted_index":{"For":[0],"uninterrupted":[1],"traffic":[2,16,29,54,106,129],"flow,":[3],"it":[4],"is":[5,43,62,69,121,164,172],"well-known":[6],"that":[7,155],"the":[8,13,25,57,65,76,105,112,116,126,137,145,156,159,167,178,187,191,202,212],"fundamental":[9,37,67,114,119,148,161],"diagram":[10,38,68,120,149,162],"(FD)":[11],"describes":[12],"relationship":[14,127],"between":[15,128],"flow":[17,30,55,78,189],"and":[18,131,142,177,190],"density":[19],"under":[20],"steady":[21],"state.":[22],"To":[23],"study":[24],"characteristics":[26],"of":[27,59,75,136,158],"interrupted":[28],"on":[31,84,104,144,185,201,211],"a":[32,35,49,73,85,182,208],"signalized":[33],"link,":[34],"link":[36,66,102,118,147,160],"(LFD)":[39],"for":[40,124],"urban":[41,101],"roads":[42],"proposed":[44,117,146],"in":[45],"this":[46],"paper.":[47],"First,":[48],"new":[50],"variable,":[51],"which":[52,82],"synthesizes":[53],"with":[56,88,111],"speed":[58],"each":[60],"vehicle,":[61],"defined.":[63],"Then,":[64],"obtained":[70],"by":[71,98,166],"drawing":[72],"scatter-plot":[74],"velocity-weighted":[77,188,213],"versus":[79],"queue":[80,132,193,204],"length,":[81],"takes":[83],"unimodal":[86],"curve":[87],"an":[89,100],"approximately":[90],"symmetric":[91],"shape.":[92],"Finally,":[93],"simulation":[94,107],"studies":[95],"are":[96,150],"conducted":[97],"modeling":[99],"based":[103],"software":[108],"VISSIM.":[109],"Compared":[110],"traditional":[113],"diagram,":[115],"more":[122],"intuitive":[123],"showing":[125],"condition":[130],"length.":[133,194],"The":[134,169,195],"impacts":[135],"cycle":[138,196],"time,":[139,141],"green":[140,179],"split":[143,175],"studied.":[151],"Simulation":[152],"results":[153],"show":[154],"shape":[157],"fundamentally":[163],"determined":[165],"split.":[168],"critical":[170,192,203],"point":[171],"correlated":[173],"to":[174],"values,":[176],"time":[180,197],"exerts":[181],"great":[183,209],"influence":[184,210],"both":[186],"has":[198,207],"little":[199],"effect":[200],"length":[205],"but":[206],"flow.":[214]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2020-11-23T00:00:00"}