{"id":"https://openalex.org/W2249168652","doi":null,"title":"A further investigation on critical gap and follow-up time","display_name":"A further investigation on critical gap and follow-up time","publication_year":2000,"publication_date":"2000-06-01","ids":{"openalex":"https://openalex.org/W2249168652","mag":"2249168652"},"language":"en","primary_location":{"id":"mag:2249168652","doi":null,"is_oa":false,"landing_page_url":"https://trid.trb.org/view/657360","pdf_url":null,"source":{"id":"https://openalex.org/S2765078764","display_name":"Transportation research circular","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4324046967","host_organization_name":"National Academies Press","host_organization_lineage":["https://openalex.org/P4324046967"],"host_organization_lineage_names":["National Academies Press"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Transportation research circular","raw_type":null},"volume":null,"type":"article","indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Zengguo Tian","orcid":"https://orcid.org/0000-0003-0303-1374","observed_orcids":["https://orcid.org/0000-0003-0303-1374"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zengguo Tian","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-0303-1374","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109349724","display_name":"Rod J. Troutbeck","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R J Troutbeck","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103538176","display_name":"Michael Kyte","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Michael Kyte","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045453780","display_name":"Werner Brilon","orcid":"https://orcid.org/0000-0001-7027-1904","observed_orcids":["https://orcid.org/0000-0001-7027-1904"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Werner Brilon","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-7027-1904","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024372038","display_name":"Mark A. Vandehey","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mark Vandehey","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038537539","display_name":"Wayne K. Kittelson","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wayne Kittelson","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":null,"display_name":"B. W. Robinson","orcid":"https://orcid.org/0000-0001-7865-2760","observed_orcids":["https://orcid.org/0000-0001-7865-2760"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"B. W. Robinson","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-7865-2760","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":6.7394,"has_fulltext":false,"cited_by_count":53,"citation_normalized_percentile":{"value":0.96490892,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"397","last_page":"408"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10524","display_name":"Traffic control and management","score":0.9916999936103821,"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":0.9916999936103821,"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/T10370","display_name":"Traffic and Road Safety","score":0.004999999888241291,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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":0.0010000000474974513,"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/critical-gap","display_name":"critical gap","score":0.9980000257492065},{"id":"https://openalex.org/keywords/follow-up-duration","display_name":"follow-up duration","score":0.9959999918937683},{"id":"https://openalex.org/keywords/unsignalized-intersections","display_name":"unsignalized intersections","score":0.8849999904632568},{"id":"https://openalex.org/keywords/highway-capacity-manual","display_name":"Highway Capacity Manual","score":0.6930000185966492},{"id":"https://openalex.org/keywords/intersection-geometry","display_name":"intersection geometry","score":0.5490000247955322},{"id":"https://openalex.org/keywords/vehicle-type","display_name":"vehicle type","score":0.8960000276565552},{"id":"https://openalex.org/keywords/speed-limits","display_name":"speed limits","score":0.6110000014305115},{"id":"https://openalex.org/keywords/intersection-delay","display_name":"intersection delay","score":0.6150000095367432},{"id":"https://openalex.org/keywords/two-way-stop-controlled-intersections","display_name":"two-way stop-controlled intersections","score":0.7910000085830688},{"id":"https://openalex.org/keywords/service-level","display_name":"level of service","score":0.7480000257492065}],"concepts":[{"id":"https://openalex.org/C2776983907","wikidata":"https://www.wikidata.org/wiki/Q800159","display_name":"Highway Capacity Manual","level":3,"score":0.8596289157867432},{"id":"https://openalex.org/C64543145","wikidata":"https://www.wikidata.org/wiki/Q162942","display_name":"Intersection (aeronautics)","level":2,"score":0.8378101587295532},{"id":"https://openalex.org/C2779754485","wikidata":"https://www.wikidata.org/wiki/Q5186695","display_name":"Critical area","level":2,"score":0.5758954882621765},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5721847414970398},{"id":"https://openalex.org/C58037377","wikidata":"https://www.wikidata.org/wiki/Q92785211","display_name":"Level of service","level":2,"score":0.49507251381874084},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.47232407331466675},{"id":"https://openalex.org/C179093217","wikidata":"https://www.wikidata.org/wiki/Q13264212","display_name":"Critical speed","level":3,"score":0.4284912347793579},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39819687604904175},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3636484444141388},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3333461880683899},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.3316923975944519},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30217427015304565},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.07912382483482361},{"id":"https://openalex.org/C17281054","wikidata":"https://www.wikidata.org/wiki/Q193466","display_name":"Rotor (electric)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2249168652","doi":null,"is_oa":false,"landing_page_url":"https://trid.trb.org/view/657360","pdf_url":null,"source":{"id":"https://openalex.org/S2765078764","display_name":"Transportation research circular","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4324046967","host_organization_name":"National Academies Press","host_organization_lineage":["https://openalex.org/P4324046967"],"host_organization_lineage_names":["National Academies Press"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Transportation research circular","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.5378999710083008,"display_name":"Industry, innovation and infrastructure"},{"id":"https://metadata.un.org/sdg/11","score":0.5142999887466431,"display_name":"Sustainable cities and communities"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W617888520","https://openalex.org/W1964381866"],"related_works":["https://openalex.org/W2986449616","https://openalex.org/W2250026364","https://openalex.org/W2131906322","https://openalex.org/W4226396673","https://openalex.org/W1788442130","https://openalex.org/W570499220","https://openalex.org/W4200625389","https://openalex.org/W39825281","https://openalex.org/W150113242","https://openalex.org/W2382262788"],"abstract_inverted_index":{"The":[0,61,83,123,188],"1997":[1,212],"update":[2,213],"to":[3,29,115,171,177,214],"the":[4,23,31,38,53,66,71,117,139,168,200,203,211,215,218],"Highway":[5],"Capacity":[6,75],"Manual":[7],"(HCM)":[8],"includes":[9],"a":[10,49],"new":[11],"set":[12,161,191],"of":[13,52,78,119,162,192],"critical":[14,39,55,92,126,143,172,193],"gap":[15,40,56,93,127,144,173,194],"and":[16,41,57,76,94,107,128,145,155,195,217],"follow-up":[17,42,58,95,129,146,163,169,196],"time":[18,59,130,147,164,170,197],"values":[19,131,165,198],"calibrated":[20],"based":[21,64],"on":[22,34,65],"U.S.":[24],"conditions.":[25],"This":[26],"paper":[27,84],"is":[28,112,132,136,175],"present":[30],"detailed":[32],"investigation":[33,62],"various":[35,87,121],"factors":[36,88,141],"affecting":[37,142],"time,":[43,96],"so":[44],"that":[45,89,138],"users":[46],"can":[47],"have":[48],"better":[50],"understanding":[51],"recommended":[54,190],"values.":[60],"was":[63],"comprehensive":[67],"database":[68],"established":[69],"during":[70],"NCHRP":[72],"3-46":[73],"project,":[74],"Level":[77],"Service":[79],"at":[80],"Unsignalized":[81],"Intersections.":[82],"first":[85],"identifies":[86],"might":[90],"affect":[91],"such":[97],"as":[98],"intersection":[99,149],"geometry,":[100,150],"traffic":[101,156],"movements,":[102],"vehicle":[103,151],"type,":[104,152],"speed":[105],"limits,":[106],"delay.":[108],"Step-wise":[109],"regression":[110],"technique":[111],"then":[113],"applied":[114],"identify":[116],"significance":[118],"these":[120],"factors.":[122],"relationship":[124],"between":[125],"also":[133],"investigated.":[134],"It":[135],"found":[137,176],"major":[140],"include":[148],"approach":[153],"grade,":[154],"movements.":[157],"While":[158],"an":[159],"independent":[160],"are":[166],"recommended,":[167],"ratio":[174],"be":[178],"approximately":[179],"0.60,":[180],"which":[181],"has":[182],"been":[183],"reported":[184],"in":[185,210],"previous":[186],"studies.":[187],"newly":[189],"form":[199],"basis":[201],"for":[202,205],"procedures":[204],"two-way":[206],"stop-controlled":[207],"intersections":[208],"included":[209],"HCM":[216],"2000":[219],"HCM.":[220]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":4},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}
