Transit ITS Data Exchange Specification TIDES

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Presentation transcript:

Transit ITS Data Exchange Specification TIDES John Levin October 2018 October 2018

What is TIDES A proposed approach for accessing and managing historical Transit ITS data Primarily vehicle location and passenger activity (AVL, APC, AFC) Key elements Data structures – to store ITS data APIs – to move data in and out of data store Processes – to manipulate data (e.g. integration, aggregation, quality) October 2018

Why TIDES? Support transit agencies that have difficulty accessing and using their archived ITS data Promote development and sharing of tools and reports based on ITS data Promote research using ITS data Bottom line: improve quality, efficiency and safety of transit service October 2018

TIDES High Level Architecture Source System Data AVL, APC, AFC Schedules Source Data API Data Integration Process Integrated Database Integrated Data API Standard Tools and Reports Data Quality Process Data Aggregation Process Aggregated Database Aggregated Data API October 2018

What would TIDES be? A set of standard data structure specifications A set of back-end data transformation (ETL) tools to move data from source systems to standardized structures and to integrate, aggregate, manipulate data A set of front-end application programming interfaces (APIs) to access data

Where are we at with TIDES? A lot of support for concept, but little movement High-level concept architecture Started to collect data samples and develop data structures Research funding requested through TCRP October 2018

Landscape is changing New data standards emerging GTFS-ride, SharedStreets, etc. New products and tools for processing, analyzing and visualizing data Still not addressing core challenges Extracting data from source systems and matching to schedules Addressing data quality October 2018

https://groups.google.com/forum/#!forum/tidesproject John Levin Metro Transit Minneapolis-St. Paul john.levin@metrotransit.org 612-349-7789 October 2018