[Talk-us] State Route relations (was: Highway Tagging Consensus to Improve OSM (and address some of 41 latitude's concerns))

Nathan Edgars II neroute2 at gmail.com
Sat Oct 16 16:56:38 BST 2010


On Sat, Oct 16, 2010 at 11:46 AM, Peter Budny <peterb at gatech.edu> wrote:
> Nathan Edgars II <neroute2 at gmail.com> writes:
>>
>> TIGER's state highway data is pretty horrible. For example, in
>> Florida, there are many so-called state roads that were given to the
>> counties in the 1980s. It seems most have been fixed, but here's an
>> example: http://www.openstreetmap.org/?lat=30.4537&lon=-85.2118&zoom=14&layers=M
>
> I'm planning on using the tiger:base_name tag, since that seems to be
> pretty consistently applied (except that TIGER couldn't decide whether
> to use "State Highway" or "State Route" or "SR"... but I can just search
> for all known combinations of names).
>
> The area you linked seems to have these tags intact for FL 20, FL 73,
> FL 287, and FL 287A.  Did I overlook something?

287 and 287A have been county roads for the last 20-30 years.
>
>> You also have major problems in towns, where a route doesn't make a
>> turn like it should.
>
> The generated relations will have to be checked by hand, because of
> problems exactly like this.  However, 80-90% of the tedious work will be
> done, and (I hope) users will be able to walk the relation end-to-end
> and fix up the problem spots pretty easily.

I just hope people don't take a shortcut and accept the TIGER data. I
recently had to clean up after someone doing this in north Florida:
http://www.openstreetmap.org/browse/way/11057836/history
http://www.openstreetmap.org/browse/way/10991196/history



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