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- The Work Zone Data Working Group released version 4.2 of the WZDx Specification in February 2023. Please review the release notes for more information on the updates.
- WZDx v4.2 is the last version created under the Work Zone Data Working Group governance structure. The specification is being rolled into a formal standard by ITE (with partners AASHTO and NEMA) and SAE. To learn more about that effort and how to get involved, see the Connected Work Zones website.
The Work Zone Data Working Group (WZDWG), established in 2019 under the Federal Geographic Data Committee (FGDC) Transportation Subcommittee (TSC), maintains the WZDx Specification with the goal of publishing incremental updates to refine the features, attributes, and vocabulary needed to model work zone activity data. The Work Zone Data Working Group included five subgroups focused on different aspects of the specification and supporting the stakeholder community.
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See the USDOT landing page on the WZDx Specification and WZDWG on Transportation.gov here.
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See the general landing page of the Work Zone Data Working Group on GeoPlatform here.
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For a webinar with additional background on the WZDx Specification, see here.
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For a presentation deck providing an overview of the WZDx Specification, see the following slides.
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Meet our Winter 2021 / Spring 2022 co-chairs.
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If you like to join WZDWG or any of its subgroups, please send an email to avdx@dot.gov
View WZDWG and subgroup meetings on the WZDWG calendar.
| Version | Type | Release Date | Status | Notes |
|---|---|---|---|---|
| 4.2 | Minor | 2022-02-14 | Current (Recommended) | Release Notes |
| 4.1 | Minor | 2022-09-19 | Recommended | Release Notes |
| 4.0 | Major | 2021-12-15 | Recommended | Release Notes |
| 3.1 | Minor | 2021-04-30 | Recommended | Release Notes |
| 3.0 | Major | 2020-09-22 | Recommended | Release Notes; Release Webinar Recording and Slides |
| 2.0 | Major | 2020-02-11 | Not Supported | Release Notes |
| 1.1 | Major | 2018-09-15 | Not Supported | Release Notes |
- 2022-11-21: WZDWG meeting: minutes, slides, recording
- 2022-07-25: WZDWG semi-annual meeting: minutes, slides, recording
- Charter-May 2021
- 2021-11-02: WZDWG semi-annual meeting: minutes, slides, recording
- 2021-09-28: WZDWG Open Governance Conversation #2: minutes, slides
- 2021-08-04: WZDWG Open Governance Conversation: minutes, slides
- 2021-03-16: WZDWG semi-annual meeting: minutes, recording
- Charter-January 2022
- 2022-10-31: WZDx Specification Update Subgroup meeting: minutes, recording
- 2022-10-03: WZDx Specification Update Subgroup meeting: minutes, recording
- 2022-06-07: WZDx Specification Update Subgroup meeting: minutes, recording
- 2022-05-05: WZDx Specification Update Subgroup meeting: minutes, recording
- 2022-04-04: WZDx Specification Update Subgroup meeting: minutes, recording
- 2022-02-23: WZDx Specification Update Subgroup meeting: minutes, recording
- 2022-01-27: WZDx Specification Update Subgroup meeting: minutes, recording
- Charter-January 2022
- 2022-02-01: WZDx Technical Assistance Subgroup Meeting: minutes, recording, slides
- Charter-May 2021
- 2021-10-07: WZDx Technical Assistance Subgroup Meeting #2: minutes, recording, slides
- 2021-06-03: WZDx Technical Assistance Subgroup Meeting: minutes, recording, slides
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2022-06-29: Worker Presence Subgroup meeting: minutes, recording (use passcode: *%tK15p@)
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2022-04-11: Worker Presence Subgroup meeting: minutes, recording
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2022-02-03: Worker Presence Subgroup meeting: minutes, recording
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2021-10-01: Worker Presence Subgroup meeting: minutes, recording
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2021-07-28: Worker Presence Subgroup meeting: minutes, recording
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2021-05-26: Worker Presence Subgroup meeting: minutes, slides
- Charter-March 2022
- 2022-06-08 - Specification Extension Subgroup meeting: slides, recording
- 2022-04-29 - Specification Extension Subgroup meeting: slides, recording
- 2022-03-04 - Specification Extension Subgroup meeting: minutes, recording
- Charter-June 2021
- 2021-06-22: WZDx Specification Extension Subgroup Meeting: [minutes], recording
- 2022-10-24: WZDx Smart Work Zone Subgroup Meeting #2: minutes, slides, recording
- 2022-09-26: WZDx Smart Work Zone Subgroup Meeting #1: minutes, slides, recording
- Charter-January 2022
- 2022-05-26: WZDx Smart Work Zone Subgroup Meeting #5: minutes
- 2022-04-25: WZDx Smart Work Zone Subgroup Meeting #4: minutes, slides, recording
- 2022-03-28: WZDx Smart Work Zone Subgroup Meeting #3: minutes, slides, recording
- 2022-02-28: WZDx Smart Work Zone Subgroup Meeting #2: slides, recording
- 2022-01-31: WZDx Smart Work Zone Subgroup Meeting: minutes, recording
- Charter-June 2021
- 2021-07-19: WZDx Smart Work Zone Subgroup Meeting: minutes, recording
- 2021-06-14: WZDx Smart Work Zone Subgroup Meeting: minutes, recording
Wiki
Work Zone Data Working Group [Archive]
- 2020-08-05: WZDWG semi-annual meeting: minutes, recording
- 2020-02-05: WZDWG semi-annual meeting: minutes, recording
- 2019-12-12: WZDWG semi-annual meeting: minutes, recording
- 2019-07-25: WZDWG kick-off meeting: minutes, recording
Specification Update Subgroup [Archive]
Technical Assistance Subgroup [Archive]
- 2021-02-09: WZDx Technical Assistance Meeting #2: minutes, recording
- 2020-11-19: WZDx Technical Assistance Subgroup Meeting #1 (kickoff): minutes, recording
- 2020-04-06: Technical Assistance Subgroup meeting #1: minutes, recording
Technical Assistance Subgroup Archive
Worker Presence Subgroup