Federal Geographic Data Committee. Modeling teams had representatives from government, industry, and academia. The US Department of Transportation Bureau of Transportation Statistics led the transportation theme model development.
As part of the National Spatial Data Infrastructure, the Geospatial One Stop (GOS) data content standard formalizes how geographic information in any of seven themes can be represented for transfer between government agencies. The transportation theme includes modes of road, rail, transit, air, and navigable water. It is their intent to submit this specification to ANSI for standardization. The road mode of the transportation theme is consistent with constructs found in GDF. It includes the ISO 19133 linear referencing clause. An implementation specification based on OpenGIS GML is anticipated.
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