{"id":"https://openalex.org/W2042842982","doi":"https://doi.org/10.3141/2049-08","title":"Fluctuation and Seasonality of Hourly Traffic and Accuracy of Design Hourly Volume Estimates","display_name":"Fluctuation and Seasonality of Hourly Traffic and Accuracy of Design Hourly Volume Estimates","publication_year":2008,"publication_date":"2008-01-01","ids":{"openalex":"https://openalex.org/W2042842982","doi":"https://doi.org/10.3141/2049-08","mag":"2042842982"},"language":"en","primary_location":{"id":"doi:10.3141/2049-08","doi":"https://doi.org/10.3141/2049-08","is_oa":false,"landing_page_url":"https://doi.org/10.3141/2049-08","pdf_url":null,"source":{"id":"https://openalex.org/S145575934","display_name":"Transportation Research Record Journal of the Transportation Research Board","issn_l":"0361-1981","issn":["0361-1981","2169-4052"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-b","anvur-scientific","cwts-core","dongbi-b","jufo-1","norway-1","poland-40","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Transportation Research Record: Journal of the Transportation Research Board","raw_type":"journal-article"},"volume":null,"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/A5066079819","display_name":"David Mario Capparuccini","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I86501945","display_name":"University of Delaware","ror":"https://ror.org/01sbq1a82","country_code":"US","type":"education","lineage":["https://openalex.org/I86501945"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"David Mario Capparuccini","raw_affiliation_strings":["Department of Civil and Environmental Engineering, University of Delaware, 355 DuPont Hall, Newark, DE 19716"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, University of Delaware, 355 DuPont Hall, Newark, DE 19716","institution_ids":["https://openalex.org/I86501945"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043824043","display_name":"Ardeshir Faghri","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I86501945","display_name":"University of Delaware","ror":"https://ror.org/01sbq1a82","country_code":"US","type":"education","lineage":["https://openalex.org/I86501945"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ardeshir Faghri","raw_affiliation_strings":["Department of Civil and Environmental Engineering, University of Delaware, 355 DuPont Hall, Newark, DE 19716"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, University of Delaware, 355 DuPont Hall, Newark, DE 19716","institution_ids":["https://openalex.org/I86501945"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111733194","display_name":"Abishai Polus","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I86501945","display_name":"University of Delaware","ror":"https://ror.org/01sbq1a82","country_code":"US","type":"education","lineage":["https://openalex.org/I86501945"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Abishai Polus","raw_affiliation_strings":["Department of Civil and Environmental Engineering, University of Delaware, 355 DuPont Hall, Newark, DE 19716"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, University of Delaware, 355 DuPont Hall, Newark, DE 19716","institution_ids":["https://openalex.org/I86501945"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058267168","display_name":"Robert E. Suarez","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I86501945","display_name":"University of Delaware","ror":"https://ror.org/01sbq1a82","country_code":"US","type":"education","lineage":["https://openalex.org/I86501945"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Robert E. Suarez","raw_affiliation_strings":["Department of Civil and Environmental Engineering, University of Delaware, 355 DuPont Hall, Newark, DE 19716"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, University of Delaware, 355 DuPont Hall, Newark, DE 19716","institution_ids":["https://openalex.org/I86501945"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5058267168"],"corresponding_institution_ids":["https://openalex.org/I86501945"],"apc_list":{"value":3650,"currency":"USD","value_usd":3650},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.37776295,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"2049","issue":"1","first_page":"63","last_page":"70"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10698","display_name":"Transportation Planning and Optimization","score":0.4036000072956085,"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"}},"topics":[{"id":"https://openalex.org/T10698","display_name":"Transportation Planning and Optimization","score":0.4036000072956085,"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"}},{"id":"https://openalex.org/T10524","display_name":"Traffic control and management","score":0.33399999141693115,"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":0.1639000028371811,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/automatic-traffic-recorders","display_name":"automatic traffic recorders","score":0.8870000243186951},{"id":"https://openalex.org/keywords/road-capacity","display_name":"road capacity","score":0.7419999837875366},{"id":"https://openalex.org/keywords/estimation-accuracy","display_name":"estimation accuracy","score":0.6570000052452087}],"concepts":[{"id":"https://openalex.org/C168443057","wikidata":"https://www.wikidata.org/wiki/Q7001223","display_name":"Traffic volume","level":2,"score":0.7305727005004883},{"id":"https://openalex.org/C2780866138","wikidata":"https://www.wikidata.org/wiki/Q361151","display_name":"Traffic count","level":3,"score":0.7285629510879517},{"id":"https://openalex.org/C20556612","wikidata":"https://www.wikidata.org/wiki/Q4469374","display_name":"Volume (thermodynamics)","level":2,"score":0.5618255138397217},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5277688503265381},{"id":"https://openalex.org/C125403950","wikidata":"https://www.wikidata.org/wiki/Q2111082","display_name":"Seasonality","level":2,"score":0.4688502550125122},{"id":"https://openalex.org/C207512268","wikidata":"https://www.wikidata.org/wiki/Q3074551","display_name":"Traffic flow (computer networking)","level":2,"score":0.4345845580101013},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.4063856601715088},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.36714309453964233},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.35453781485557556},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3161156177520752},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.24915900826454163},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.21758729219436646},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16498062014579773},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"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:10.3141/2049-08","doi":"https://doi.org/10.3141/2049-08","is_oa":false,"landing_page_url":"https://doi.org/10.3141/2049-08","pdf_url":null,"source":{"id":"https://openalex.org/S145575934","display_name":"Transportation Research Record Journal of the Transportation Research Board","issn_l":"0361-1981","issn":["0361-1981","2169-4052"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["abdc-b","anvur-scientific","cwts-core","dongbi-b","jufo-1","norway-1","poland-40","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Transportation Research Record: Journal of the Transportation Research Board","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7250000238418579,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"sustainable_development_goals_aurora":[{"score":0.7699999809265137,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W1518100733","https://openalex.org/W2006063137","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W4386803092","https://openalex.org/W2131146417","https://openalex.org/W3103538387","https://openalex.org/W7131250999","https://openalex.org/W7051820520","https://openalex.org/W2331435696","https://openalex.org/W641255177","https://openalex.org/W1486005237","https://openalex.org/W589371230","https://openalex.org/W1978742155"],"abstract_inverted_index":{"The":[0,17,139],"measurement":[1],"of":[2,7,12,21,47,55,60,86,99,108,115,121,160,163,180],"traffic":[3,31,39,67,82,89,101,110,116,136,169],"volumes":[4,183],"is":[5,52],"one":[6,161],"the":[8,36,45,58,95,106,119,129,178],"most":[9,18],"basic":[10],"functions":[11],"highway":[13,22,25,72,75],"planning":[14],"and":[15,24,40,74,97,112,192],"management.":[16],"accurate":[19,149],"measurements":[20],"demand":[23,73],"capacity":[26,76],"are":[27],"calculated":[28],"at":[29],"automatic":[30,66,88,135],"recorder":[32,137],"sites,":[33,71],"which":[34,50],"yield":[35],"average":[37],"daily":[38],"design":[41,122,143,181],"hourly":[42,100,123,144,182],"volume":[43,117,124,145,156],"for":[44,150,167,188,196],"segment":[46],"roadway":[48,61],"on":[49],"it":[51],"located.":[53],"Because":[54],"monetary":[56],"constraints,":[57],"majority":[59],"segments":[62],"do":[63],"not":[64],"have":[65],"recorders.":[68],"For":[69],"these":[70],"must":[77],"be":[78],"estimated":[79],"from":[80,133],"short-term":[81,109],"counts.":[83],"A":[84],"group":[85],"Delaware":[87],"recorders":[90],"was":[91,126,185],"used":[92],"to":[93,194],"determine":[94],"fluctuation":[96],"seasonality":[98],"using":[102],"statistical":[103],"techniques.":[104],"With":[105],"use":[107],"counts":[111],"an":[113],"understanding":[114],"fluctuation,":[118,157],"accuracy":[120],"estimates":[125,146,184],"compared":[127],"with":[128,152,198],"true":[130],"values":[131],"reported":[132],"nearby":[134],"sites.":[138],"study":[140],"found":[141],"that":[142],"were":[147],"less":[148,189],"roads":[151,191,197],"greater":[153],"variability":[154],"in":[155,173],"but":[158],"selection":[159],"method":[162],"analysis":[164],"over":[165],"another":[166],"particular":[168],"pattern":[170],"groups":[171],"resulted":[172],"smaller":[174],"error.":[175],"On":[176],"average,":[177],"error":[179],"approximately":[186],"5%":[187],"variable":[190],"8%":[193],"9%":[195],"increasing":[199],"variability.":[200]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2016-06-24T00:00:00"}