{"id":"https://openalex.org/W2794001023","doi":"https://doi.org/10.1109/itsc.2017.8317751","title":"Analysis of speed characteristics of urban expressways under rainy conditions","display_name":"Analysis of speed characteristics of urban expressways under rainy conditions","publication_year":2017,"publication_date":"2017-10-01","ids":{"openalex":"https://openalex.org/W2794001023","doi":"https://doi.org/10.1109/itsc.2017.8317751","mag":"2794001023"},"language":"en","primary_location":{"id":"doi:10.1109/itsc.2017.8317751","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itsc.2017.8317751","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE 20th International Conference on Intelligent Transportation Systems (ITSC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100446460","display_name":"Xinyu Liu","orcid":"https://orcid.org/0009-0004-6776-1821"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xinyu Liu","raw_affiliation_strings":["Ministry of Education, Tongji University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Ministry of Education, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100761165","display_name":"Bing Wu","orcid":"https://orcid.org/0000-0002-5607-9665"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bing Wu","raw_affiliation_strings":["Ministry of Education, Tongji University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Ministry of Education, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043620554","display_name":"Yi Zhao","orcid":"https://orcid.org/0000-0002-0074-8188"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yi Zhao","raw_affiliation_strings":["Intelligent Transportation Department, Shanghai SEARI Intelligent System Co., Ltd., Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Intelligent Transportation Department, Shanghai SEARI Intelligent System Co., Ltd., Shanghai, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102301446","display_name":"Lingyu Zheng","orcid":null},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lingyu Zheng","raw_affiliation_strings":["Ministry of Education, Tongji University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Ministry of Education, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100446460"],"corresponding_institution_ids":["https://openalex.org/I116953780"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.25837354,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":"34","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10524","display_name":"Traffic control and management","score":0.9997000098228455,"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":0.9997000098228455,"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":0.998199999332428,"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":0.9979000091552734,"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/environmental-science","display_name":"Environmental science","score":0.6364583969116211},{"id":"https://openalex.org/keywords/traffic-flow","display_name":"Traffic flow (computer networking)","score":0.5566474199295044},{"id":"https://openalex.org/keywords/flow","display_name":"Flow (mathematics)","score":0.5448420643806458},{"id":"https://openalex.org/keywords/free-flow","display_name":"Free flow","score":0.5216751098632812},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.4504833221435547},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.4308015704154968},{"id":"https://openalex.org/keywords/transport-engineering","display_name":"Transport engineering","score":0.35081160068511963},{"id":"https://openalex.org/keywords/hydrology","display_name":"Hydrology (agriculture)","score":0.3403346538543701},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.30831408500671387},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25108635425567627},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.19991439580917358},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1773061752319336},{"id":"https://openalex.org/keywords/geotechnical-engineering","display_name":"Geotechnical engineering","score":0.15790912508964539},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15252599120140076},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10205036401748657},{"id":"https://openalex.org/keywords/mechanics","display_name":"Mechanics","score":0.09279665350914001},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.08040621876716614}],"concepts":[{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6364583969116211},{"id":"https://openalex.org/C207512268","wikidata":"https://www.wikidata.org/wiki/Q3074551","display_name":"Traffic flow (computer networking)","level":2,"score":0.5566474199295044},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.5448420643806458},{"id":"https://openalex.org/C3019814787","wikidata":"https://www.wikidata.org/wiki/Q17072952","display_name":"Free flow","level":2,"score":0.5216751098632812},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.4504833221435547},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.4308015704154968},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.35081160068511963},{"id":"https://openalex.org/C76886044","wikidata":"https://www.wikidata.org/wiki/Q2883300","display_name":"Hydrology (agriculture)","level":2,"score":0.3403346538543701},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.30831408500671387},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25108635425567627},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.19991439580917358},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1773061752319336},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.15790912508964539},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15252599120140076},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10205036401748657},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.09279665350914001},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.08040621876716614},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/itsc.2017.8317751","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itsc.2017.8317751","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE 20th International Conference on Intelligent Transportation Systems (ITSC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.75,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1494327156","https://openalex.org/W1976953978","https://openalex.org/W2013942738","https://openalex.org/W2046436810","https://openalex.org/W2093790407","https://openalex.org/W2160385145","https://openalex.org/W2360872466","https://openalex.org/W2385242726","https://openalex.org/W2594898816"],"related_works":["https://openalex.org/W210698821","https://openalex.org/W2180469977","https://openalex.org/W2084906990","https://openalex.org/W3095912501","https://openalex.org/W2063505737","https://openalex.org/W2123804418","https://openalex.org/W2782687228","https://openalex.org/W2142520548","https://openalex.org/W3150774039","https://openalex.org/W3128609782"],"abstract_inverted_index":{"Rainfall":[0],"has":[1],"a":[2,139],"significant":[3],"impact":[4],"on":[5,12,72,82,99,131,150,213],"the":[6,32,59,73,78,146,164,197],"operation":[7,199],"of":[8,61,75,80,148,169,200,210],"urban":[9,211],"expressways.":[10],"Based":[11,71],"data":[13],"collected":[14],"by":[15],"loop":[16],"detectors,":[17],"typical":[18],"segments":[19,100,132,184,201],"with":[20,101,104,133,163,185,202],"two,":[21],"three":[22,186],"and":[23,45,63,69,86,108,115,124,153,160,187],"four":[24,188],"lanes":[25,206],"in":[26,35,47,207],"one":[27],"direction":[28,209],"are":[29,89,126],"selected":[30],"from":[31],"South-North":[33],"Expressway":[34],"Shanghai.":[36],"Rain":[37],"intensity":[38],"is":[39,55,142,156,175,192],"classified":[40],"into":[41,158],"light,":[42,112],"moderate,":[43,113],"heavy":[44,114],"torrential":[46,116],"this":[48],"study.":[49],"Firstly,":[50],"an":[51],"exponential":[52],"speed-density":[53],"model":[54,76],"used":[56],"to":[57,128,144,194],"describe":[58],"relationship":[60],"speed":[62,85,88,96,171],"density":[64],"under":[65,111,172,179],"both":[66],"clear":[67],"weather":[68],"rainfall.":[70],"results":[74],"fitting,":[77],"effects":[79],"rainfall":[81,149],"free":[83,94],"flow":[84,95,155,162],"operating":[87,151,170],"studied.":[90],"Results":[91],"show":[92],"that":[93,121,178],"decreases":[97],"most":[98],"two":[102,135,205],"lanes,":[103],"0.3-5%,":[105],"5.1-7.4%,":[106],"4.6-8.2%":[107],"9.8-13.3%":[109],"reductions":[110],"rain,":[117],"respectively.":[118],"This":[119],"suggests":[120],"drivers'":[122],"sight":[123],"judgement":[125],"easy":[127],"be":[129],"affected":[130],"only":[134],"lanes.":[136,189],"In":[137],"addition,":[138],"reduction":[140,168],"factor":[141],"introduced":[143],"study":[145],"influence":[147],"speed,":[152],"traffic":[154,198],"divided":[157],"congested":[159,173],"uncongested":[161,180],"optimum":[165],"density.":[166],"The":[167],"conditions":[174],"larger":[176],"than":[177,204],"conditions,":[181],"especially":[182],"for":[183],"So":[190],"it":[191],"essential":[193],"make":[195],"sure":[196],"more":[203],"each":[208],"expressways":[212],"rainy":[214],"days.":[215]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
