WZDx Specification Update Subgroup Meeting #3, 2020 12 18 - usdot-jpo-ode/wzdx GitHub Wiki

Virtual Attendees

  • American Association of State Highway and Transportation Officials - Venkat Nallamothu
  • Booz Allen Hamilton - Eric Ricciardi
  • Booz Allen Hamilton - Mahsa Ettefagh
  • Bureau of Transportation Statistics - Derald Dudley
  • Bureau of Transportation Statistics - Kenneth Steve
  • City of Raleigh - Beth Quinn
  • Federal Highway Administrator - Todd Peterson
  • GEWI North America – Eli Sherer
  • HAAS Alert - Jeremy Agulnek
  • IBI Group - Jacob Brady
  • IBI Group - Michelle Boucher
  • iCone - Ross Sheckler
  • Iowa State University - Skylar Knickerbocker
  • Los Angeles County Metropolitan Transportation Authority - Kali Fogel
  • Maryland DOT - Hua Xiang
  • Noblis - Amy O'Hara
  • Noblis - Kellen Shain
  • Oz Engineering - Tomas Guerra
  • Seattle DOT - Craig Moore
  • Southwest Research Institute - Sabrina Mosher
  • University of Wisconsin - Yang Cheng
  • Utah DOT - Chuck Felice
  • Ver-Mac - Pier Castonguay
  • Volpe - Wesley Alford
  • Volpe - Nate Deshmukh-Towery
  • Volpe - Mark Mockett
  • Washington State DOT - Tom Stidham
  • Woolpert - Michael Hanowsky
  • WSP - Virginia Lingham

Purpose and Intended Outcomes:

  • Continue discussing the prioritized list of issues, as well as new pull requests
    • Prioritized issues are tagged as “Release Candidate” and “Need Discussion” on GitHub
  • Gather group feedback on the proposed solutions for consideration and inclusion in the next specification release

Agenda

  • Sign-in and Welcome
  • Group Discussion - led by the Specification Update Subgroup Co-Chairs
    • New Pull Requests
    • Prioritized Issues Tagged as 'Release Candidate'
    • Additional Issues - those Tagged as 'Needs Discussion'
  • Action Items and Next Steps

Discussion Summary

  • Derald Dudley (BTS) opened the meeting by going through the introductory slides and agenda.

  • Jacob Brady detailed the pull requests he created for the several, prioritized issues that were discussed by the subgroup membership in the previous meeting.

    • Jacob presented respective pull requests and their proposed solutions; seeing if there is any dissent on the proposed resolution with the membership.

  • PR #151: Include explicit licensing information in RoadEventFeedInfo

    • No comments from the membership, okay with moving forward this licensing pull request using the Creative Commons (CCO) license.

  • PR #145: Allow specifying a GeoJSON Bounding Box for the WZDx Feed and RoadEventFeature objects

    • No comments from the membership, move forward with the proposed solution.

  • PR #146: Move road event ID to from RoadEvent "road_event_id" to RoadEventFeature "id"

    • No comments from the membership, move forward with the proposed solution.

  • PR #147: Refactor LaneType enumeration to deprecate values that can be determined from other properties (i.e., order/status)

    • No comments from the membership, move forward with the proposed solution.

  • PR #148: Deprecate the total_num_lanes property on the RoadEvent object

    • No comments from the membership, move forward with the proposed solution.

  • PR #150: Allow array for RoadEvent road_name; deprecate road_number

    • No comments from the membership, move forward with the proposed solution.

  • PR #152: Local Access Only

    • Craig commented for the subgroup to provide feedback on GitHub for Which of the proposed solutions the membership feels is the most clear messaging for local access only? This PR really needs more feedback.

  • Issue #6: Recurrent Events

    • Recurrent events has been a perennial issue; proposing JSCalendar (as opposed to iCal) as a framework for recurrent events. *JSCalendar is a JavaScript-based implementation of iCal.
    • Craig and Skylar detailed the potential solutions to this issue using JSCalendar.
    • Folks that have ben working with smart traffic control devices are really critical for input on this issue. *How would their device interact with, and represent, (smart) work events using JSCalendar?

  • Issue #78: Conditions for breaking a work zone into multiple road events

    • While the onus is on the TA Subgroup to push the issue forward through discussions, the subgroup membership needs to providetheirr comments on GitHub for them to do so.

  • Issue #128: Content/value of lrs_type is unclear

    • Craig stated that if anyone's organization is feeling value with this one being included, please let us know, otherwise this is another candidate for deprecation.

  • Next Steps and Action Items

    • Meeting #4 is scheduled for Friday, January 22, 2021.
      • Derald Dudley detailed 3 upcoming WZDx-related workshops (i.e., events where WZDx will hold a session): GIS-T 2021, NSGIC 2021, and AASHTO 2021. More information is forthcoming.