Enhanced Night Visibility Series, Volume VII: Phase II—Study 5: Evaluation of Discomfort Glare During Nighttime Driving in Clear Weather

Porter, Richard J.; Hankey, Jonathan M.; Binder, Stephanie; Dingus, Thomas A.; Virginia Tech Transportation Institute

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Enhanced Night Visibility Series, Volume VII: Phase II—Study 5: Evaluation of Discomfort Glare During Nighttime Driving in Clear Weather

2005-12-01
By Porter, Richard J. ; Hankey, Jonathan M. ; Binder, Stephanie ; ...

[PDF-573.56 KB]

English

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Creators:

Porter, Richard J. ; Hankey, Jonathan M. ; Binder, Stephanie ; Dingus, Thomas A.

Porter, Richard J. ; Hankey, Jonathan M. ; Binder, Stephanie ; Dingus, Thomas A. Less -
Corporate Creators:

Virginia Tech Transportation Institute
Contributors:

Andersen, Carl K.
Corporate Contributors:

United States. Federal Highway Administration. Office of Safety Research and Development ; Turner-Fairbank Highway Research Center

United States. Federal Highway Administration. Office of Safety Research and Development ; Turner-Fairbank Highway Research Center Less -
Subject/TRT Terms:

[+]

Night Visibility Night Vision Traffic Safety
Publication/ Report Number:

FHWA-HRT-04-138
Resource Type:

Tech Report
Geographical Coverage:

United States
Contracting Officer:

Andersen, Carl
Corporate Publisher:

United States. Federal Highway Administration. Office of Safety Research and Development
Abstract:

Phase II—Study 5 helped expand the knowledge of how current vision enhancement systems (VESs) affect the discomfort glare experienced by nighttime drivers. The empirical testing for this study was performed on the Smart Road. Sixty participants were involved in the study, which consisted of two data collection efforts. An 11 (VES) by 3 (Age) experimental design was used to investigate the effects of different types of VESs and driver’s age on discomfort glare. In addition, an evaluation of the Schmidt-Clausen and Bindels equation was performed to determine its predictive value in driving scenarios with oncoming glare.

The results of the empirical testing suggest that halogen headlamps selected for this testing produce more discomfort glare than the high intensity discharge headlamps tested. There was also some indication that ultraviolet (UV)–A may add slightly to discomfort glare. In addition, modifications of the Schmidt-Clausen and Bindels equation may provide headlamp designers with insight into how drivers will rate discomfort glare of proposed headlamps.
Format:

PDF
Funding:

DTFH61–98–C–00049
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:6fa432fbc624699c759fb1f96ea20cda387c778dfd9763b02e365908b8bbcb76
Download URL:

https://rosap.ntl.bts.gov/view/dot/38059/dot_38059_DS1.pdf
File Type:

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Enhanced Night Visibility Series, Volume VII: Phase II—Study 5: Evaluation of Discomfort Glare During Nighttime Driving in Clear Weather

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