Light Levels for Parking Facilities Based on Empirical Evaluation of Visual Performance and User Perceptions

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dc.contributor.authorBhagavathula, Rajaramen
dc.contributor.authorGibbons, Ronald B.en
dc.date.accessioned2020-05-21T18:51:55Zen
dc.date.available2020-05-21T18:51:55Zen
dc.date.issued2020-04-02en
dc.date.updated2020-05-21T18:51:50Zen
dc.description.abstractLight levels recommended for parking facilities should be backed by empirical research that accounts for all users. In the current study, pedestrians’ and drivers’ visual performance and their perceptions of safety, comfort, and visibility were evaluated at a parking garage and at parking lots with asphalt and concrete pavements under three light source types (high-pressure sodium luminaire, 3000 K light emitting diode [LED] luminaire, and 5000 K LED luminaire) and at multiple light levels. Visual performance involved facial and hand recognition, wheel stop detection, detection of a side-facing pedestrian, and detection of a vehicle backing up from a parking spot. Perceptions of safety, comfort, and visibility were assessed by means of a questionnaire. Results showed that in the parking garage, an increase in light level beyond 10 lux of average horizontal pavement illuminance did not result in a statistically significant increase in visual performance or perceptions of safety, comfort, and visibility. For parking lots of asphalt and concrete pavements, this plateauing was observed at the 2 lux light level. No statistical differences were observed between the light source types for the visual performance tasks, but the perceptions of safety, comfort, and visibility were highest for the 5000 K LED luminaires.en
dc.description.versionPublished versionen
dc.format.extentPages 115-136en
dc.format.extent22 page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1080/15502724.2018.1551724en
dc.identifier.eissn1550-2716en
dc.identifier.issn1550-2724en
dc.identifier.issue2en
dc.identifier.orcidGibbons, Ronald [0000-0002-4457-2444]en
dc.identifier.orcidBhagavathula, Rajaram [0000-0002-1119-8169]en
dc.identifier.urihttp://hdl.handle.net/10919/98517en
dc.identifier.volume16en
dc.language.isoenen
dc.publisherTaylor & Francisen
dc.relation.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000507653800003&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=930d57c9ac61a043676db62af60056c1en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectPhysical Sciencesen
dc.subjectConstruction & Building Technologyen
dc.subjectOpticsen
dc.subjectLight levelsen
dc.subjectparking facilitiesen
dc.subjectparking garagesen
dc.subjectparking lotsen
dc.subjectvisibilityen
dc.subjectvisual performanceen
dc.subjectHIGH-PRESSURE SODIUMen
dc.subjectOBSTACLE DETECTIONen
dc.subjectMETAL HALIDEen
dc.subjectILLUMINANCEen
dc.subjectVISIBILITYen
dc.subjectBuilding & Constructionen
dc.titleLight Levels for Parking Facilities Based on Empirical Evaluation of Visual Performance and User Perceptionsen
dc.title.serialLEUKOSen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherArticleen
dc.type.otherJournalen
pubs.organisational-group/Virginia Tech/University Research Institutesen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/University Research Institutes/Virginia Tech Transportation Instituteen
pubs.organisational-group/Virginia Techen

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