U.S. Department of Transportation
Federal Highway Administration
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Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
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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
The TravTek system has an integrated cellular telephone feature available to users. In addition to normally available cellular telephone features, the TravTek user could contact a 24–hour TravTek help desk with the press of a single touchscreen key, or the user could contact a variety of emergency services (including police/fire/ambulance and roadside service) by accessing the emergency services menu described above.
In addition to the cellular communications, the TravTek vehicles also received periodic traffic and incident reports and an events calendar. These were automatically integrated into the interface as described in the previous sections.