Advanced Traveler Information System for Metropolitan Expressways in Shanghai

What is it about?

A novel advanced traveler information system for urban freeway network control is proposed and real application is presented

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Why is it important?

The new types of VMS are Network-Level Guidance Signs, Road Section Signs, and Entrance Condition Signs. The former two types provide traffic information in a graphical form, and the third type provides information about on-ramp condition in a textual style. ATIS composition, VMS functions, VMS information provision method, VMS site placement, real world evaluation, and future research recommendations are presented.