On 11/6/13 4:52 PM, Greg Troxel wrote: > > > Are you aware of any regulatory impact of crossing a CDP boundary > (ignoring impacts of crossing other boundaries that coincide)? I am > not, and I have no idea where the CDP boundaries are around me. CDP boundaries are worse, really, than that. i discovered in working through boundaries downstate (Rockland and Westchester Counties) that the Census Bureau had substantially changed a bunch of CDP boundaries between 2008 and 2013, downsizing a bunch of them quite a lot.
i thought they were for comparing counts census to census, but now i really don't know what they're for if the boundaries can change that much. > > All in all, I think CDP boundaries should be either > > removed from OSM, or > > changed to have some boundary=census tag, if they are useful > the latter, i think. there are parts of the US where the CDP boundaries do contribute to the map. richard
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