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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| This report is an archived publication and may contain dated technical, contact, and link information |
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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
In-Vehicle Signing Information Systems (ISIS)
ISIS provides in-vehicle displays of non-commercial routing, warning, regulatory, and advisory information that is currently depicted on external roadway signs. Roadway Sign Guidance Information ISIS guidance information includes street signs, interchange graphics, route markers, and mile posts. Traditionally found on signs outside the vehicle, this information will be displayed inside the vehicle. Roadway Sign Notification Information Roadside signs that currently notify drivers of potential hazards or changes in the roadway, such as merge signs, advisory speed limits, chevrons, and curve arrows, will be displayed in the vehicle. Roadway Sign Regulatory Information Regulation information, such as speed limits, stop signs, yield signs, turn prohibitions, and lane use, will be provided in-vehicle.
FHWA-RD-95-197
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