The goal of advisory crash avoidance and collision warning system designers is to increase the situation awareness of the typical driver to a level at which common performance errors will be reduced, thereby reducing the overall crash rate of vehicles. To accomplish this, great care will be required in all phases of the design, and a number of issues will have to be addressed. Long-term use of the systems and their effect on driving behavior will have to be closely monitored. It is possible that behaviors such as driver over- reliance could result in a crash rate increase for particular designs. Technology has given system designers an opportunity to make great strides in crash reduction and improvements in transportation safety. However, it must never be forgotten that technology in this application is a double-edged sword that must be wielded with care.
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