Assessing public transport systems connectivity based on Google Transit data

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Assessing public transport systems connectivity based on Google Transit data

Hadas, Yuval

Highlights • Google-transit data sources enable an easy analysis of public transport systems. • The assessing is based solely on Google-transit data and transport networks. • Five measures for assessment and management of public transport are introduced. • Differences within and between cities is facilitated by this approach. • The proposed methodology is demonstrated by analyzing three public transport systems.

Abstract A PT system consists of various physical features such as roads, railways, routes, and stops which are represented by a complex network of spatial and temporal data. Since these networks are usually very large and include millions of entities, it is difficult to assess PT systems. Assessment in this context is defined as the ability to extract and analyze data in an automated and recurring process so as to enhance decision making and to make it possible to compare between PT networks over time. The unified methodology that this work presents for extracting, storing and analyzing PT data enables relatively easy spatial analysis with GIS techniques based solely on: (a) Google Transit feeds and (b) Transportation networks. In order to implement this new methodology for analyzing a PT system, five connectivity indicators are introduced: (a) transportation network coverage level; (b) average speed; (c) intersection coverage level; (d) stop transfer potential; and (e) route overlap. This work demonstrates the proposed methodology by analyzing PT systems in Auckland (New Zealand), Vancouver (Canada), and Portland (Oregon, USA).