TIDES: Accessing and Managing Historical Transit ITS Data
"Learn about TIDES, a proposed approach for accessing and managing historical Transit ITS data, focusing on vehicle location and passenger activity. Explore key elements like data structures, APIs, and processes for manipulating data to improve transit service quality and efficiency."
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Presentation Transcript
Transit ITS Data Exchange Specification TIDES John Levin October 2018 1 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) 2 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 3 October 2018
TIDES High Level Architecture Source System Data - AVL, APC, AFC - Schedules Source Data API Standard Tools and Reports Data Integration Process Integrated Database Integrated Data API Data Quality Process Data Aggregation Process Aggregated Database Aggregated Data API 4 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 5
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 6 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 7 October 2018
https://groups.google.com/forum/#!forum/tidesproject John Levin Metro Transit Minneapolis-St. Paul john.levin@metrotransit.org 612-349-7789 8 October 2018
