Maricopa County Regional Work Zone Data Exchange (WZDx) Feed Data Sample

datahub.transportation.gov | Last Updated 22 Nov 2019

The WZDx Specification enables infrastructure owners and operators (IOOs) to make harmonized work zone data available for third party use. The intent is to make travel on public roads safer and more efficient through ubiquitous access to data on work zone activity. Specifically, the project aims to get data on work zones into vehicles to help automated driving systems (ADS) and human drivers navigate more safely. MCDOT leds the effort to aggregate and collect work zone data from the AZTech Regional Partners. A continuously updating archive of the WZDx feed data can be found at <a href="http://usdot-its-workzone-public-data.s3.amazonaws.com/index.html">ITS WorkZone Data Sandbox</a>.

Tags: arterial, trucking & motorcoaches, its joint program office (jpo), road conditions, glendale, construction feeds, tempe, research & statistics, public transit, lane restrictions, scottsdale, goodyear, avondale, freight, roadway & bridges, chandler, transit, automobiles, gilbert, phoenix, mesa, intelligent transportation systems (its), road maintenance, freeway, multi-modal intelligent traffic signal system (mmitss), arizona department of transportation (adot), work zone data exchange (wzdx), maricopa county department of transportation (mcdot), bicycles & pedestrians, arizona (az)

This dataset has the following 50 columns:

Column NameAPI Column NameData TypeDescriptionSample Values
Header_metadataURLheader_metadataurlurlA link to the metadata file (WZ-metadata.txt). See Section 2.6 for a description of the file.
Header_timeStampUpdateheader_timestampupdatecalendar_dateAn element that designates the data and time the data feed was last updated.
Header_versionNoheader_versionnotextThe WZDx version number that was used to create the file.
RoadRestrictionsroadrestrictionstextOne or more roadRestriction flags indicating restrictions applied to the work zone road segment associated with the work zone bounded by the begin / end locations. Allowed values: no-trucks, travel-peak-hours-only, hov-3, hov-2, no-parking, bike-lane, ramp, towing-prohibited, permitted-oversize-loads-prohibited, reduced-width, reduced-height, reduced-length, reduced-weight, axle-load-limit, gross-weight-limit.
beginLocation_crossStreetbeginlocation_crossstreettextThe cross street along the roadway where the work zone area begins. Required when Road Classification is arterial
beginLocation_latitude-estbeginlocation_latitude_estnumberThe estimated latitude along the roadway where the work zone area begins.
beginLocation_latitude-verbeginlocation_latitude_vernumberA verified latitude along the roadway where the work zone area begins.
beginLocation_longitude-estbeginlocation_longitude_estnumberThe estimated longitude along the roadway where the work zone area begins.
beginLocation_longitude-verbeginlocation_longitude_vernumberA verified longitude along the roadway where the work zone area begins.
beginLocation_milepost-estbeginlocation_milepost_esttextThe estimated linear distance measured against a milepost marker along a roadway where the work zone begins.
beginLocation_milepost-verbeginlocation_milepost_vertextAn accurately linear distance measured against a milepost marker along a roadway where the work zone begins.
beginLocation_roadDirectionbeginlocation_roaddirectiontextThe designated direction of the roadName that is impacted by the work zone activity. Allowed values: northbound, eastbound, southbound, westbound.
beginLocation_roadNamebeginlocation_roadnametextThe name of the road on which the work zone applies which is known by the public.
beginLocation_roadNumbeginlocation_roadnumtextThe road number designated by a jurisdiction such as a county, state or interstate.
closedLanesclosedlanestextThe laneType that is closed due to the work zone on the road segment designated by the Begin Location and EndLocation. Allowed values: all, left-lane, right-lane, left-2-lanes, left-3-lanes, right-2-lanes, right-3-lanes, center, middle-lane, right-turning-lane, left-turning-lane, right-exit-lane, left-exit-lane, right-merging-lane, left-merging-lane, right-exit-ramp, right-second-exit-ramp, right-entrance-ramp, right-second-entrance-ramp, left-exit-ramp, left-second-exit-ramp, left-entrance-ramp, left-second-entrance-ramp, sidewalk, bike-lane, none, unknown, alternate-flow-lane, shift-left, shift-right.
closedShouldersclosedshoulderstextAn enumerated type identifying the shoulder lanes that are closed. Allowed values: outside, inside, both, none, unknown.
descriptiondescriptiontextShort free text description of work zone.
endDateTime-cancelledenddatetime_cancelledcalendar_dateCancellation of a planned end time and date assocaited with a work zone.
endDateTime-estenddatetime_estcalendar_dateThe planned time and date when a work zone ends.
endDateTime-verenddatetime_vercalendar_dateA verified time and date when the work zone was actually ended.
endDateTime_timeConfidenceLevelenddatetime_timeconfidencelevelnumberA confidence leve (in percentage) of when the work zone activities will actually start.
endLocation_crossStreetendlocation_crossstreettextThe cross street along a roadway where the work zone area ends and the traffic returns to normal. Required when Road Classification is arterial
endLocation_latitude-estendlocation_latitude_estnumberThe latitude along a roadway where the work zone area ends and the traffic returns to normal.
endLocation_latitude-verendlocation_latitude_vernumberA verified latitude along the roadway where the work zone area ends.
endLocation_longitude-estendlocation_longitude_estnumberThe longitude along a roadway where the work zone area ends and the traffic returns to normal.
endLocation_longitude-verendlocation_longitude_vernumberA verified longitude along the roadway where the work zone area ends.
endLocation_milepost-estendlocation_milepost_esttextThe measured linear distance along a roadway where the work zone begins.
endLocation_milepost-verendlocation_milepost_vertextAn accurately linear distance measured against a milepost marker along a roadway where the work zone begins.
identifieridentifiertextA unique identifier issued by the data feed provider to identify the work zone project or activity
issuingOrganizationissuingorganizationtextThe organization issuing the data feed
openLanesopenlanestextThe laneType that is opened on the road segment designated by the work zone BeginLocation. Allowed values: all, left-lane, right-lane, left-2-lanes, left-3-lanes, right-2-lanes, right-3-lanes, center, middle-lane, right-turning-lane, left-turning-lane, right-exit-lane, left-exit-lane, right-merging-lane, left-merging-lane, right-exit-ramp, right-second-exit-ramp, right-entrance-ramp, right-second-entrance-ramp, left-exit-ramp, left-second-exit-ramp, left-entrance-ramp, left-second-entrance-ramp, sidewalk, bike-lane, none, unknown, alternate-flow-lane, shift-left, shift-right.
reducedSpdPostedreducedspdpostednumberThe reduced speed limit posted in the work zone
startDateTime-cancelledstartdatetime_cancelledcalendar_dateCancellation of a planned start time and date assocaited with a work zone.
startDateTime-eststartdatetime_estcalendar_dateThe planned time and date when a work zone starts.
startDateTime-verstartdatetime_vercalendar_dateA verified time and date when the work zone was actually installed.
startDateTime_timeConfidenceLevelstartdatetime_timeconfidencelevelnumberA confidence leve (in percentage) of when the work zone activities will actually start.
subidentifiersubidentifiertextA unique identifier issued by data feed provider that provides additional references to project or activity.
timestampEventCreationtimestampeventcreationcalendar_dateThe time and date when the activity or event was created.
timestampEventUpdatetimestampeventupdatecalendar_dateThe time and date when the activity or event was updated.
totalLanestotallanesnumberThe total number of lanes associated with the road segment designated by the BeginLocation and EndLocation.
workersPresentworkerspresentcheckboxA flag indicating that there are workers present in the work zone.
wz_statuswz_statustextThe status of the work zone. Allowed values: Planned, Pending, Active, Cancelled, Completed.
startDateTimestartdatetimecalendar_dateThe estimated or verified time and date when a work zone starts.
endDateTimeenddatetimecalendar_dateThe estimated or verified time and date when a work zone ends.
beginLocation_latitudebeginlocation_latitudenumberThe estimated or verified latitude along the roadway where the work zone area begins.
beginLocation_longitudebeginlocation_longitudenumberThe estimated or verified longitude along the roadway where the work zone area begins.
endLocation_latitudeendlocation_latitudenumberThe estimated or verified latitude along the roadway where the work zone area ends.
endLocation_longitudeendlocation_longitudenumberThe estimated or verified longitude along the roadway where the work zone area ends.
beginLocationbeginlocationpointThe estimated or verified coordinates along the roadway where the work zone area begins.
endLocationendlocationpointThe estimated or verified coordinates along the roadway where the work zone area ends.