ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners.
As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.
The objective of this report is to present the results of studies of operational characteristics of highway traffic moving through an intersection at which a number of illumination schemes had been installed. The characteristics reported are related to the ease of operation of the motorist as he passes through the intersection.
This final report (Research Report 5-9 Final) summarizes the findings of several years of research on intersection illumination. The research was cond...
The purpose of this study was to examine the relationships between the legibility of overhead signs and the brightness configurations which can result...
The purpose of this study was to evaluate the reliability of using the galvanic skin reflex (GSR) to measure the effects of different lighting designs...
During winter nights in Alaska, streetlights often remain lit more than half the day, using energy all the while. Around the nation, communities are e...
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