I downloaded latest naptan data the other day and used qgis to filter stops.csv to just those in Tendring, or on roads that run along the border, to give me something more manageable to look at. 995 stops before any other filtering. I've not finished verifying imported stops after an initial burst of enthusiasm, but now see a workable plan for maintaining the data as:
A) Finish verifying those already in OSM. Assume these are "revision 1". B) Filter the 995 stops in the extract mentioned above to just those that aren't revision 1. Or have a created date newer than the majority of the rev 1 stops. Verify them. C) As new updates are released filter by created date and modified date to find new and changed entries. These are likely to be few. Verify them. Ed
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