viding usable guideline data for designing navigation formats for in-vehicle navigation displays.
|Navigation Display Formats||Predrive: *|
|Applicability Rating:||In Transit: *|
|(See Table 13.20)|
When discussing research needs for an ATIS system, one should keep in mind that a great volume of information pertaining to human-factors issues is available in the form of journal articles and technical reports. These were not reviewed for this analysis. Unfortunately, the guidelines that were reviewed uniformly lacked the appropriate supporting data necessary to specify driver-vehicle interface guidelines. Additional review of the journal literature and public reports may provide the supplementary information that is missing from guideline supporting data, such as reports on driver-display interfaces that are being designed and evaluated for TRAVTEK, DRIVE, PROMETHEUS, Minnesota Guidestar Travlink, the California Smart Traveler, and Ontario's Travelguide programs. Because research related to Advanced Traveler Information Systems is being pursued with energy and by great numbers at universities worldwide, the likelihood of being able to obtain pertinent driver-vehicle interface data is good. However, there are always gaps in supplementary data sources because of the variability in implementation functions and design objectives. In those cases, additional experimentation must be undertaken to specify in-vehicle system guidelines.
A final note concerning the scope of this chapter. Because of space limitations, a minimum set of ATIS driver-vehicle interface components were considered for this evaluation. New technologies such as voice recognition and liquid crystal and head-up displays may be available with enough capability and reliability to be used in ATIS systems in the near future. With the advent of new technologies, more automation, or better designs, functions currently acceptable for the predrive case may become acceptable for in-transit operation. In that case, human-factors assessments will be mandatory.
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