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Publication Number: FHWA-RD-95-197
Date: December 1996

Development of Human Factors Guidelines for Advanced Traveler Information Systems and Commercial Vehicle Operations: Comparable Systems Analysis

 

System Temporal Requirements

 

TravTek has a number of temporal requirements associated with its user interface. These include the timing of visual and aural cues while navigating, the prevention of auditory messages that are no longer current, and the updating of traffic and incident messages. Each of these requirements is discussed in the General Description section.

 

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