ITS Aspects of an Alternative Analysis of Transit Circulator Systems

This paper addresses in general the FTA's current emphasis on transit circulators, and in that light the need for an analysis methodology and modeling tools that address technology focused transit circulator studies.

As a focused topic, the paper approaches the alternatives analysis requirements in terms of the functional ITS elements used by transit circulator technologies. The paper also includes a discussion of the nature of transport systems suitable for circulation system applications in urban centers and the diverse technology options that are available for transit circulator applications, including at-grade and aerial transit system alignments/technologies.

To analyze the different ways in which these alternative technologies interact with other systems within the built environment—in particular the emulation of the traffic signal system and the associated operations of the traffic and pedestrian systems—special modeling tools are described that accomplish a true "apples-to-apples" comparison between alternatives.

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