enumerated-types.md

Enumerated Types

This section includes a table of enumerated data elements. An enumerated type is a special data type that enables for a variable to be a set of predefined constants otherwise known as factor data. The variable must be equal to one of the values that have been predefine for it.

Table 7. Enumerated Types

Data Element	Used by	Allowed Values	Notes	Source
wz-Status	WorkZoneActivity	See Enumerated Type Definitions (Table 8)
roadDirection	BeginLocation	northbound eastbound southbound westbound		Adapted from TMDD link- alignment
roadRestriction	RoadRestrictions	no-trucks travel-peak-hours-only hov-3 hov-2 no-parking bike-lane ramp towing-prohibited permitted-oversize-loads- prohibited (this applies to annual oversize load permits reduced-width reduced-height reduced-length reduced-weight axle-load-limit gross-weight-limit	Included one or more flags as needed	See definitions below
laneType	openLanes, closedLanes	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		Adapted from TMDD LaneRoadway
closedShoulders	WorkZoneActivity	outside inside both none unknown		Adapted from TMDD LaneRoadway