{"id":"https://openalex.org/W7214768050","doi":"https://doi.org/10.13023/ktc.rr.2027.04","title":"Evaluation of Kentucky\u2019s Work Zone Speed Camera Pilot Program","display_name":"Evaluation of Kentucky\u2019s Work Zone Speed Camera Pilot Program","publication_year":2026,"publication_date":"2026-11-02","ids":{"openalex":"https://openalex.org/W7214768050","doi":"https://doi.org/10.13023/ktc.rr.2027.04"},"language":"en","primary_location":{"id":"pmh:oai:uknowledge.uky.edu:ktc_researchreports-2857","doi":null,"is_oa":true,"landing_page_url":"https://uknowledge.uky.edu/ktc_researchreports/1848","pdf_url":"https://uknowledge.uky.edu/cgi/viewcontent.cgi?article=2857&context=ktc_researchreports","source":{"id":"https://openalex.org/S4306402623","display_name":"UKnowledge (University of Kentucky)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I143302722","host_organization_name":"University of Kentucky","host_organization_lineage":["https://openalex.org/I143302722"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Kentucky Transportation Center Research Report","raw_type":"text"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://uknowledge.uky.edu/cgi/viewcontent.cgi?article=2857&context=ktc_researchreports","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5065924544","display_name":"Xu Zhang","orcid":"https://orcid.org/0000-0003-2544-118X","observed_orcids":["https://orcid.org/0000-0003-2544-118X","https://orcid.org/0000-0002-7051-2736"]},"institutions":[{"id":"https://openalex.org/I143302722","display_name":"University of Kentucky","ror":"https://ror.org/02k3smh20","country_code":"US","type":"education","lineage":["https://openalex.org/I143302722"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhang, Xu","raw_affiliation_strings":["University of Kentucky"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Kentucky","institution_ids":["https://openalex.org/I143302722"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047711957","display_name":"William Nicholas Staats","orcid":"https://orcid.org/0000-0002-0616-7843","observed_orcids":["https://orcid.org/0000-0002-0616-7843"]},"institutions":[{"id":"https://openalex.org/I143302722","display_name":"University of Kentucky","ror":"https://ror.org/02k3smh20","country_code":"US","type":"education","lineage":["https://openalex.org/I143302722"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Staats, William","raw_affiliation_strings":["University of Kentucky"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Kentucky","institution_ids":["https://openalex.org/I143302722"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070369534","display_name":"Eric R. Green","orcid":"https://orcid.org/0000-0002-6587-2606","observed_orcids":["https://orcid.org/0000-0002-6587-2606"]},"institutions":[{"id":"https://openalex.org/I143302722","display_name":"University of Kentucky","ror":"https://ror.org/02k3smh20","country_code":"US","type":"education","lineage":["https://openalex.org/I143302722"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Green, Eric","raw_affiliation_strings":["University of Kentucky"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Kentucky","institution_ids":["https://openalex.org/I143302722"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I143302722"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.68658728,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"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":0.9965999722480774,"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":0.9965999722480774,"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":0.0010000000474974513,"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":"Road Transport and Highway Systems","score":0.000699999975040555,"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/work-zone-safety","display_name":"work zone safety","score":0.7630000114440918},{"id":"https://openalex.org/keywords/automated-speed-enforcement","display_name":"automated speed enforcement","score":0.9819999933242798},{"id":"https://openalex.org/keywords/speed-cameras","display_name":"speed cameras","score":0.9430000185966492},{"id":"https://openalex.org/keywords/pilot-program-evaluation","display_name":"pilot program evaluation","score":0.7369999885559082},{"id":"https://openalex.org/keywords/vehicle-speed","display_name":"vehicle speed","score":0.7580000162124634},{"id":"https://openalex.org/keywords/crash-analysis","display_name":"accident analysis","score":0.48899999260902405},{"id":"https://openalex.org/keywords/injury-crashes","display_name":"injury crashes","score":0.6970000267028809},{"id":"https://openalex.org/keywords/speeding","display_name":"speeding","score":0.6869999766349792},{"id":"https://openalex.org/keywords/85th-percentile-speed","display_name":"85th percentile speed","score":0.800000011920929},{"id":"https://openalex.org/keywords/kentucky","display_name":"Kentucky","score":0.47699999809265137}],"concepts":[{"id":"https://openalex.org/C183469790","wikidata":"https://www.wikidata.org/wiki/Q333501","display_name":"Crash","level":2,"score":0.7986000180244446},{"id":"https://openalex.org/C2780210587","wikidata":"https://www.wikidata.org/wiki/Q1077350","display_name":"Speed limit","level":2,"score":0.7211999893188477},{"id":"https://openalex.org/C2779777834","wikidata":"https://www.wikidata.org/wiki/Q4202277","display_name":"Enforcement","level":2,"score":0.6632999777793884},{"id":"https://openalex.org/C2993327422","wikidata":"https://www.wikidata.org/wiki/Q4181026","display_name":"Work zone","level":3,"score":0.6348000168800354},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.536300003528595},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.5320000052452087},{"id":"https://openalex.org/C2993660032","wikidata":"https://www.wikidata.org/wiki/Q746984","display_name":"Traffic speed","level":2,"score":0.4912000000476837},{"id":"https://openalex.org/C45641319","wikidata":"https://www.wikidata.org/wiki/Q550768","display_name":"Electronic speed control","level":2,"score":0.45840001106262207},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.4099999964237213},{"id":"https://openalex.org/C3017944768","wikidata":"https://www.wikidata.org/wiki/Q1450463","display_name":"Poison control","level":2,"score":0.39660000801086426},{"id":"https://openalex.org/C2987320957","wikidata":"https://www.wikidata.org/wiki/Q2041172","display_name":"Speed measurement","level":2,"score":0.390500009059906},{"id":"https://openalex.org/C2780262971","wikidata":"https://www.wikidata.org/wiki/Q44554","display_name":"Law enforcement","level":2,"score":0.3903000056743622},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.36419999599456787},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.3151000142097473},{"id":"https://openalex.org/C133462117","wikidata":"https://www.wikidata.org/wiki/Q4929239","display_name":"Data collection","level":2,"score":0.28780001401901245},{"id":"https://openalex.org/C115901376","wikidata":"https://www.wikidata.org/wiki/Q184199","display_name":"Automation","level":2,"score":0.2858999967575073},{"id":"https://openalex.org/C187155963","wikidata":"https://www.wikidata.org/wiki/Q629029","display_name":"Occupational safety and health","level":2,"score":0.28369998931884766},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.27970001101493835},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2639999985694885},{"id":"https://openalex.org/C40117522","wikidata":"https://www.wikidata.org/wiki/Q828224","display_name":"Kilometer","level":2,"score":0.26249998807907104},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.260699987411499}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:uknowledge.uky.edu:ktc_researchreports-2857","doi":null,"is_oa":true,"landing_page_url":"https://uknowledge.uky.edu/ktc_researchreports/1848","pdf_url":"https://uknowledge.uky.edu/cgi/viewcontent.cgi?article=2857&context=ktc_researchreports","source":{"id":"https://openalex.org/S4306402623","display_name":"UKnowledge (University of Kentucky)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I143302722","host_organization_name":"University of Kentucky","host_organization_lineage":["https://openalex.org/I143302722"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Kentucky Transportation Center Research Report","raw_type":"text"},{"id":"doi:10.13023/ktc.rr.2027.04","doi":"https://doi.org/10.13023/ktc.rr.2027.04","is_oa":true,"landing_page_url":"https://doi.org/10.13023/ktc.rr.2027.04","pdf_url":null,"source":{"id":"https://openalex.org/S4306402623","display_name":"UKnowledge (University of Kentucky)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I143302722","host_organization_name":"University of Kentucky","host_organization_lineage":["https://openalex.org/I143302722"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Report"}],"best_oa_location":{"id":"pmh:oai:uknowledge.uky.edu:ktc_researchreports-2857","doi":null,"is_oa":true,"landing_page_url":"https://uknowledge.uky.edu/ktc_researchreports/1848","pdf_url":"https://uknowledge.uky.edu/cgi/viewcontent.cgi?article=2857&context=ktc_researchreports","source":{"id":"https://openalex.org/S4306402623","display_name":"UKnowledge (University of Kentucky)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I143302722","host_organization_name":"University of Kentucky","host_organization_lineage":["https://openalex.org/I143302722"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Kentucky Transportation Center Research Report","raw_type":"text"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.7250000238418579},{"id":"https://metadata.un.org/sdg/8","display_name":"Decent work and economic growth","score":0.48510000109672546}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320315310","display_name":"Kentucky Transportation Cabinet","ror":"https://ror.org/00tgrsc87"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7214768050.pdf","grobid_xml":"https://content.openalex.org/works/W7214768050.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4224210950","https://openalex.org/W2091273044","https://openalex.org/W641768202","https://openalex.org/W4387145678","https://openalex.org/W231598262","https://openalex.org/W1985112469","https://openalex.org/W1521039398","https://openalex.org/W1582666388","https://openalex.org/W2895057822","https://openalex.org/W4285012633"],"abstract_inverted_index":{"Kentucky":[0],"introduced":[1],"automated":[2,25,72,157,212,270],"speed":[3,26,34,68,79,114,127,147,164,194,271],"enforcement":[4,27,73,84,179,213,272],"in":[5,139,163,193,203,282],"work":[6,112,140,275],"zones":[7,141],"to":[8,156,207,217,223,273],"mitigate":[9],"hazards":[10],"and":[11,17,36,42,49,58,94,108,172,199,258,262,285],"improve":[12,274],"the":[13,22,126,175,196,204,208,233,266],"safety":[14,225],"of":[15,24,118,170,178,211,236],"motorists":[16,135],"workers.":[18],"This":[19,227],"study":[20,267],"describes":[21],"impacts":[23],"at":[28,85,142,150,165,183,230,253],"five":[29],"pilot":[30,40,50,86,151,185,254],"sites.":[31,45,264],"Researchers":[32],"analyzed":[33],"data":[35,38,80],"crash":[37,221],"from":[39,81],"sites":[41,48,51,87,152,167,232,255],"paired":[43],"control":[44,47,143,166,263],"The":[46,116],"had":[52,216],"similar":[53],"traffic":[54],"volumes,":[55],"lane":[56],"configurations,":[57],"functional":[59],"classifications.":[60],"Analysis":[61],"drew":[62],"on":[63,195,219],"over":[64,125],"15":[65],"million":[66],"individual":[67],"records":[69],"captured":[70],"using":[71,269],"cameras":[74],"as":[75,77],"well":[76],"segment-level":[78],"HERE.":[82],"Active":[83],"was":[88],"associated":[89],"with":[90],"lower":[91,104],"mean,":[92],"85th-percentile,":[93],"99th-percentile":[95,286],"vehicle":[96,99],"speeds.":[97],"Average":[98],"speeds":[100,287],"were":[101,180,189,250],"1.0\u20137.5":[102],"mph":[103,124],"during":[105,131,168],"active":[106,132,171],"enforcement,":[107,174],"fewer":[109],"vehicles":[110,119],"exceeded":[111],"zone":[113,276],"limits.":[115],"percentage":[117],"traveling":[120],"more":[121,246],"than":[122],"10":[123],"limit":[128],"fell":[129,239],"6\u201323%":[130],"enforcement.":[133,158],"Because":[134],"also":[136],"slowed":[137],"down":[138],"sites,":[144,186],"not":[145],"all":[146],"reductions":[148,192],"observed":[149],"can":[153],"be":[154],"attributed":[155],"After":[159],"adjusting":[160],"for":[161],"differences":[162],"periods":[169],"inactive":[173],"net":[176],"effects":[177],"modestly":[181],"positive":[182],"interstate":[184],"but":[187],"there":[188],"no":[190],"clear":[191],"urban":[197],"arterial":[198],"rural":[200],"highway":[201],"included":[202],"study.":[205],"Due":[206],"short":[209],"duration":[210],"activities,":[214],"researchers":[215],"rely":[218],"naive":[220],"analysis":[222],"evaluate":[224],"impacts.":[226],"found":[228],"that":[229],"most":[231],"total":[234],"number":[235],"injury":[237],"crashes":[238,249],"following":[240],"camera":[241,260],"deployment,":[242],"although":[243],"injuries":[244],"skewed":[245],"severe.":[247],"Speeding-related":[248],"exceedingly":[251],"uncommon":[252],"(both":[256],"before":[257],"after":[259],"deployment)":[261],"Overall,":[265],"supports":[268],"safety,":[277],"particularly":[278],"given":[279],"its":[280],"effectiveness":[281],"reducing":[283],"85th-":[284],"(i.e.,":[288],"high-risk":[289],"speeding).":[290]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-09-30T00:00:00"}
