Abstract
This paper represents an extension of a 2007 HFES Annual Meeting paper (Curry et al, 2007). The original paper focused on the nighttime detection of obstacles stopped along the sides of active road-ways by drivers between 20 and 60 years of age. The current paper focuses on a similar detection task, but utilizes a considerably older driver sample. It has been well-recognized for a number of years that driver visual capabilities begin to decline rapidly as the age of the motorist increases. This study was designed to quantify the relative detection distances of a variety of target vehicle characteristics by older, aware motorists on a darkened roadway.
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