[Talk-us] identifying TIGER deserts

[Mike N]

On 1/6/2013 7:30 AM, Alex Barth wrote:
> This could be achieved e. g. by overlaying a light, opaque OSM highway layer with a contrasting TIGER layer, only exposing TIGER 12 geometry where it differs from OSM.

I like the idea of a TIGER 07 vs 12 comparison only being used as a 
trigger.   If you compare TIGER 12 vs OSM, it will highlight all the 
TIGER 07 artifact roads that were removed because they were in error or 
no longer exist, but are still often in TIGER 12 even after a geometry 
refresh.