usdot-jpo-ode / wzdx

The Work Zone Data Exchange (WZDx) Specification aims to make harmonized work zone data provided by infrastructure owners and operators (IOOs) available for third party use, making travel on public roads safer and more efficient through ubiquitous access to data on work zone activity.
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Clarify use of LineString and MultiPoint in road event geometry #358

Closed j-d-b closed 1 year ago

j-d-b commented 1 year ago

This PR resolves #194 by updating the description and notes cells for the RoadEventFeature.

Specifically, the following changes are proposed:

The order of coordinates is meaningful: the first coordinate is the first (furthest upstream) point a road user encounters when traveling through the road event. If a data producer has three or more coordinates that are on the road event path, a LineString geometry should be used because it indicates that the points are ordered.

Feed producers should aim to provide a higher density of points for sections of roadways with curves so that data consumers can more easily match road events to their road network.