After the age of 75, the risk of driver fatality increases sharply, because older drivers are more vulnerable to both crash-related injury and death.
Older drivers are also more likely to be involved in multiple-vehicle crashes.
Despite abundant research in these areas, little is known about the relationships among these various abilities. Most research has focused on a single ability or on only a portion of the full spectrum of abilities associated with driving. In addition, drawing conclusions about the relationships between these declining abilities and the causes of crashes involving older drivers is difficult. Their report appeared in the AAAM's book publishing the proceedings of its 41st annual conference in Orlando, Florida from November 10-11, 1997. One finding was of particular note.