[Talk-us] Using TIGER to find missing road segments in OSM after license change

[Nathan Edgars II]

On 3/29/2012 11:06 AM, Ian Dees wrote:
> On Thu, Mar 29, 2012 at 10:01 AM, Kristian M Zoerhoff <zoerhoff at sdf.org
> <mailto:zoerhoff at sdf.org>> wrote:
>
>     On Thu, Mar 29, 2012 at 10:53:55AM -0400, Nathan Edgars II wrote:
>      > On 3/29/2012 10:49 AM, Martijn van Exel wrote:
>      > >I'm going to look at this same problem for Salt Lake County just
>     to see
>      > >if any different issues arise for a different geography, and hope to
>      > >provide some more input soon.
>      >
>      > It would be useful to test an area where the TIGER data is rather
>      > imprecise and the OSM data has been fixed to match aerials. Orange
>      > County, FL was like this as of whatever TIGER data was imported, but
>      > the latest data may be much better. If the latest TIGER data is
>      > improved, you might be able to test with the older TIGER data.
>
>     Since Ian is already in Cook County, IL, he can move next door to
>     McHenry
>     County, which I spent ages fixing up over the last year or so. Cook
>     County
>     itself still has a lot of unfixed TIGER roads, especially in its
>     southern
>     half.
>
>
> One of the main reasons I started in Cook County was because there was a
> fairly high diversity of edits. Lots of improved TIGER data and lots of
> unimproved TIGER data in OSM that has since been improved in TIGER 2011
> (especially in the south, as you mentioned).

Edits are one thing. I'm talking about streets being out of alignment by 
several blocks. Actually the worst I've seen was in the Poinciana 
development in Osceola County: 
http://www.openstreetmap.org/?lat=28.1814&lon=-81.4712&zoom=14&layers=M 
but I know this has since been fixed in TIGER.