{"id":"https://openalex.org/W2030554166","doi":"https://doi.org/10.3141/2190-02","title":"Automated Bicycle Counts","display_name":"Automated Bicycle Counts","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W2030554166","doi":"https://doi.org/10.3141/2190-02","mag":"2030554166"},"language":"en","primary_location":{"id":"doi:10.3141/2190-02","doi":"https://doi.org/10.3141/2190-02","is_oa":false,"landing_page_url":"https://doi.org/10.3141/2190-02","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/A5077298609","display_name":"Krista Nordback","orcid":"https://orcid.org/0000-0001-7967-1998","observed_orcids":["https://orcid.org/0000-0001-7967-1998"]},"institutions":[{"id":"https://openalex.org/I921990950","display_name":"University of Colorado Denver","ror":"https://ror.org/02hh7en24","country_code":"US","type":"education","lineage":["https://openalex.org/I921990950"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Krista Nordback","raw_affiliation_strings":["Campus Box 152, Department of Civil Engineering, University of Colorado, Denver, P.O. Box 173364, Denver, CO 80217\u20133364"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Campus Box 152, Department of Civil Engineering, University of Colorado, Denver, P.O. Box 173364, Denver, CO 80217\u20133364","institution_ids":["https://openalex.org/I921990950"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062173469","display_name":"Bruce N. Janson","orcid":"https://orcid.org/0000-0003-2901-8506","observed_orcids":["https://orcid.org/0000-0003-2901-8506"]},"institutions":[{"id":"https://openalex.org/I921990950","display_name":"University of Colorado Denver","ror":"https://ror.org/02hh7en24","country_code":"US","type":"education","lineage":["https://openalex.org/I921990950"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Bruce N. Janson","raw_affiliation_strings":["Campus Box 113, Department of Civil Engineering, University of Colorado, Denver, P.O. Box 173364, Denver, CO 80217\u20133364"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Campus Box 113, Department of Civil Engineering, University of Colorado, Denver, P.O. Box 173364, Denver, CO 80217\u20133364","institution_ids":["https://openalex.org/I921990950"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5077298609"],"corresponding_institution_ids":["https://openalex.org/I921990950"],"apc_list":{"value":3650,"currency":"USD","value_usd":3650},"apc_paid":null,"fwci":8.5546,"has_fulltext":false,"cited_by_count":37,"citation_normalized_percentile":{"value":0.96675777,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"2190","issue":"1","first_page":"11","last_page":"18"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10298","display_name":"Urban Transport and Accessibility","score":0.9750999808311462,"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/T10298","display_name":"Urban Transport and Accessibility","score":0.9750999808311462,"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/T14304","display_name":"Transport Systems and Technology","score":0.006099999882280827,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T13527","display_name":"Transportation Systems and Logistics","score":0.004000000189989805,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"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/bicycle-counts","display_name":"bicycle counts","score":0.9070000052452087},{"id":"https://openalex.org/keywords/inductive-loop-detectors","display_name":"inductive loop detectors","score":0.921999990940094},{"id":"https://openalex.org/keywords/bicycle-touring","display_name":"bicycle touring","score":0.5239999890327454},{"id":"https://openalex.org/keywords/detector-calibration","display_name":"detector calibration","score":0.5120000243186951}],"concepts":[{"id":"https://openalex.org/C8406815","wikidata":"https://www.wikidata.org/wiki/Q2163913","display_name":"Induction loop","level":3,"score":0.8707765936851501},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.8061321377754211},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5326064825057983},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5154748558998108},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.48815375566482544},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.47059524059295654},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.42508450150489807},{"id":"https://openalex.org/C184670325","wikidata":"https://www.wikidata.org/wiki/Q512604","display_name":"Loop (graph theory)","level":2,"score":0.4157765507698059},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2014349400997162},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15655922889709473},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.12130725383758545},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.3141/2190-02","doi":"https://doi.org/10.3141/2190-02","is_oa":false,"landing_page_url":"https://doi.org/10.3141/2190-02","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":[{"display_name":"Sustainable cities and communities","score":0.761900007724762,"id":"https://metadata.un.org/sdg/11"},{"display_name":"Industry, innovation and infrastructure","score":0.6773999929428101,"id":"https://metadata.un.org/sdg/9"}],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W1972035135","https://openalex.org/W2076026314","https://openalex.org/W2806858105"],"related_works":["https://openalex.org/W813209822","https://openalex.org/W141249823","https://openalex.org/W1558917127","https://openalex.org/W7213928131","https://openalex.org/W1972035135","https://openalex.org/W648543347","https://openalex.org/W6908565959","https://openalex.org/W635111804","https://openalex.org/W1910863055","https://openalex.org/W2397786840"],"abstract_inverted_index":{"Quantifying":[0],"bicycle":[1,7,75,170],"use":[2,65,171],"is":[3],"fundamental":[4],"to":[5,18,35,47,136],"understanding":[6],"travel.":[8],"Methods":[9],"of":[10,53,64,81,97,169,186],"counting":[11,26,54],"bicycles":[12,55,119],"vary":[13],"from":[14],"limited-time,":[15],"manual":[16,122],"counts":[17,76,135],"permanent":[19,25],"overhead":[20],"imaging":[21],"sensors.":[22],"One":[23],"common":[24],"method":[27,52],"uses":[28],"inductive":[29,41,90,162],"loops":[30],"embedded":[31],"in":[32,100],"the":[33,79,95,98,113,121,125,129],"pavement":[34],"count":[36],"cyclists":[37],"on":[38,74,86,172],"paths.":[39],"Although":[40],"loop":[42,91,114,163],"detectors":[43,115,164,178],"have":[44],"been":[45,68],"found":[46,160],"be":[48],"a":[49,173],"highly":[50],"accurate":[51,167],"under":[56],"ideal":[57],"test":[58],"conditions,":[59],"their":[60,138],"accuracy":[61,96],"after":[62],"years":[63],"has":[66],"not":[67],"systematically":[69],"studied.":[70],"This":[71,158],"study":[72,159],"focuses":[73],"collected":[77],"by":[78,152],"City":[80],"Boulder,":[82],"Colorado,":[83],"since":[84],"1998,":[85],"multiuse":[87],"paths":[88],"with":[89,133],"detectors.":[92],"To":[93],"estimate":[94],"devices":[99],"use,":[101],"two":[102],"individuals":[103],"manually":[104],"counted":[105,116],"path":[106],"users":[107],"at":[108,124],"six":[109],"locations.":[110,127],"On":[111],"average,":[112],"4%":[117],"fewer":[118],"than":[120],"counters":[123],"same":[126],"Of":[128],"22":[130],"detector":[131,153],"channels":[132],"sufficient":[134],"judge":[137],"accuracy,":[139],"roughly":[140],"68%":[141],"were":[142,149],"considered":[143],"accurate.":[144],"The":[145],"most":[146],"dramatic":[147],"inaccuracies":[148],"caused":[150],"primarily":[151],"settings":[154],"and":[155,184],"software-related":[156],"problems.":[157],"that":[161],"can":[165],"provide":[166],"measures":[168],"pathway,":[174],"but":[175],"only":[176],"when":[177],"are":[179],"properly":[180],"installed,":[181],"calibrated,":[182],"maintained,":[183],"free":[185],"external":[187],"interference.":[188]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":8},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}