{"id":"https://openalex.org/W311184875","doi":null,"title":"Safety and Operational Performance Evaluation of Four Types of Exit Ramps on Florida\u2019s Freeways","display_name":"Safety and Operational Performance Evaluation of Four Types of Exit Ramps on Florida\u2019s Freeways","publication_year":2010,"publication_date":"2010-05-01","ids":{"openalex":"https://openalex.org/W311184875","mag":"311184875"},"language":"en","primary_location":{"id":"mag:311184875","doi":null,"is_oa":false,"landing_page_url":"http://ntl.bts.gov/lib/33000/33100/33138/FDOT_BD544_38_rpt.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"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":"https://openalex.org/A5012824397","display_name":"Jian John Lu","orcid":"https://orcid.org/0000-0002-9661-1337","observed_orcids":["https://orcid.org/0000-0002-9661-1337"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jian L\u00fc","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-9661-1337","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059224743","display_name":"Linjun Lu","orcid":"https://orcid.org/0000-0002-1296-3926","observed_orcids":["https://orcid.org/0000-0002-1296-3926","https://orcid.org/0000-0003-0027-0281"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Linjun Lu","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-1296-3926","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063549890","display_name":"Pan Liu","orcid":"https://orcid.org/0000-0001-5808-1489","observed_orcids":["https://orcid.org/0000-0001-5808-1489"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Pan Liu","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-5808-1489","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102934471","display_name":"Hongyun Chen","orcid":"https://orcid.org/0000-0001-8044-7256","observed_orcids":["https://orcid.org/0000-0001-8044-7256","https://orcid.org/0009-0007-4631-9841"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hongyun Chen","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-8044-7256","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5001751564","display_name":"Tangyi Guo","orcid":"https://orcid.org/0000-0002-1677-7602","observed_orcids":["https://orcid.org/0000-0002-1677-7602"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tangyi Guo","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-1677-7602","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.0603,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.81002541,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10370","display_name":"Traffic and Road Safety","score":0.9901999831199646,"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"}},"topics":[{"id":"https://openalex.org/T10370","display_name":"Traffic and Road Safety","score":0.9901999831199646,"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/T10524","display_name":"Traffic control and management","score":0.00559999980032444,"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/T13527","display_name":"Transportation Systems and Logistics","score":0.002099999925121665,"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/exit-ramps","display_name":"exit ramps","score":0.9580000042915344},{"id":"https://openalex.org/keywords/crash-contributing-factors","display_name":"crash contributing factors","score":0.6980000138282776}],"concepts":[{"id":"https://openalex.org/C191172861","wikidata":"https://www.wikidata.org/wiki/Q7899321","display_name":"Upstream (networking)","level":2,"score":0.6703497171401978},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.6592226624488831},{"id":"https://openalex.org/C139676723","wikidata":"https://www.wikidata.org/wiki/Q1193832","display_name":"Sign (mathematics)","level":2,"score":0.5665034055709839},{"id":"https://openalex.org/C2983860417","wikidata":"https://www.wikidata.org/wiki/Q170285","display_name":"Traffic sign","level":3,"score":0.48648306727409363},{"id":"https://openalex.org/C40319758","wikidata":"https://www.wikidata.org/wiki/Q5535477","display_name":"Geometric design","level":2,"score":0.48538482189178467},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.4789493680000305},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.43873000144958496},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.34987348318099976},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08064362406730652},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.07865005731582642},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:311184875","doi":null,"is_oa":false,"landing_page_url":"http://ntl.bts.gov/lib/33000/33100/33138/FDOT_BD544_38_rpt.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.7250000238418579},{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.5378999710083008}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W9920425","https://openalex.org/W36178370","https://openalex.org/W129500157","https://openalex.org/W205563314","https://openalex.org/W614886932","https://openalex.org/W619565782","https://openalex.org/W640514302","https://openalex.org/W1535633303","https://openalex.org/W1888663974","https://openalex.org/W1949350957","https://openalex.org/W1973147268","https://openalex.org/W1978936087","https://openalex.org/W1988174716","https://openalex.org/W2009401929","https://openalex.org/W2028216950","https://openalex.org/W2032888310","https://openalex.org/W2034779828","https://openalex.org/W2048145000","https://openalex.org/W2083470984","https://openalex.org/W2086141576","https://openalex.org/W2088146378","https://openalex.org/W2143056692","https://openalex.org/W2153240274","https://openalex.org/W2172133016","https://openalex.org/W3136883406"],"related_works":["https://openalex.org/W2168096653","https://openalex.org/W2316999162","https://openalex.org/W2233444584","https://openalex.org/W2803171803","https://openalex.org/W597592637","https://openalex.org/W1978971514","https://openalex.org/W2321520224","https://openalex.org/W2151671107","https://openalex.org/W2162204434","https://openalex.org/W582383954"],"abstract_inverted_index":{"This":[0],"project":[1],"mainly":[2],"focuses":[3],"on":[4,59,77,172],"exit":[5,21,33,56,79,93,165],"ramp":[6,22,57,80,86,94,97,104,114,120,166],"performance":[7,61],"analysis":[8,27,83],"of":[9,16,31,54,103],"safety":[10,29,60],"and":[11,38,66,88,100,106,116,122,149,168,174],"operations.":[12],"In":[13],"addition,":[14],"issues":[15,102],"advance":[17,128],"guide":[18,129],"sign":[19,144,147,151],"for":[20,62,90,137],"are":[23,110,125,134,176],"also":[24,111],"mentioned.":[25],"Safety":[26],"evaluates":[28],"performances":[30],"different":[32,55,70,85,140],"ramps":[34],"used":[35],"in":[36],"Florida":[37],"nationally.":[39],"More":[40],"specific,":[41],"the":[42,46,52,69,74,78,138],"research":[43],"objectives":[44],"include":[45],"following":[47],"two":[48],"parts:":[49],"to":[50,67,73],"evaluate":[51],"impacts":[53],"types":[58],"freeway":[63,158,173],"diverge":[64],"areas;":[65],"identify":[68],"factors":[71],"contributing":[72],"crashes":[75],"happening":[76],"sections.":[81],"Operational":[82],"determines":[84],"effects,":[87],"guidance":[89],"selecting":[91],"optimal":[92],"type.":[95],"Besides":[96],"type":[98],"evaluation":[99],"selection,":[101],"section":[105,109],"cross":[107],"road":[108],"demonstrated.":[112],"Minimum":[113],"length":[115],"minimum":[117],"distance":[118,132],"between":[119],"terminal":[121],"downstream/upstream":[123],"intersections":[124],"calculated.":[126],"For":[127],"sign,":[130],"placement":[131],"models":[133],"presented":[135],"respectively":[136],"three":[139],"installation":[141],"methods:":[142],"ground":[143],"installation,":[145,148],"overhead":[146],"median":[150],"installation.":[152],"All":[153],"possible":[154],"factors,":[155],"such":[156],"as":[157],"geometric":[159],"design,":[160],"traffic":[161],"conditions,":[162],"driver":[163],"behavior,":[164],"type,":[167],"posted":[169],"speed":[170],"limits":[171],"ramp,":[175],"taken":[177],"into":[178],"consideration":[179],"while":[180],"modeling.":[181]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-09-26T08:19:03.415552","created_date":"2016-06-24T00:00:00"}
