Chapter 5: Routing and Navigation Guidelines

CHAPTER 5: ROUTING AND NAVIGATION GUIDELINES

This chapter provides human factors design guidelines relevant to Routing and Navigation Functions of ATIS devices. Routing and Navigation Functions provide drivers with information about how to get from one place to another. When integrated with an Advanced Traffic Management System (ATMS), Routing and Navigation provides information on recurrent and nonrecurrent traffic congestion and is capable of calculating, selecting, and displaying optimum routes based on real-time traffic data.

The following design topics are included in this chapter:

GENERAL GUIDELINES

Accuracy of Routing Information
Timing of Auditory Navigation Information
Color Coding of Traffic Flow Information
Orientation of Moving Map Displays
Clear Depiction of Route on Electronic Maps
Vehicle Location Accuracy

SPECIFIC ROUTING & NAVIGATION MESSAGES

Presentation of General Trip Planning Information
Presentation of Roadway Information
Presentation of Point of Interest Information
Presentation of Travel Coordination Information
Presentation of Route and Destination Selection Information
Presentation of Dynamic Route Selection Information
Presentation of Route Guidance Information
Presentation of Lane Position Information
Presentation of Toll Collection Information
Presentation of Route Incident Information

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