[Talk-us] Planning to "import" speed limit data for Florida

Dale Puch dale.puch at gmail.com
Thu Sep 1 03:00:08 BST 2011

Oh, I forgot to mention they list the files as being updated weekly.  So
apparently what ever changes they make that week get rolled into the data.
So make sure to start with a current set of data.

On Wed, Aug 31, 2011 at 9:57 PM, Dale Puch <dale.puch at gmail.com> wrote:

> Response I received in 2008
> "GIS data provided by the FDOT Transportation Statistics Office
> isconsidered to be in the public domain and can be used for any purpose."
> <http://wiki.openstreetmap.org/wiki/Talk:Potential_Datasources#Copy_of_email_from_FDOT>
> I had looked at this a while back and gave up on it personally due to the
> high amount of manual activity needed.  I just did not have the time to do
> much with it.  Not to mention the problems of keeping track of what had been
> worked on.
> Would you walk thru your process steps so I and perhaps others could learn
> from them?
> For me it was partly an issue of the data covering a large land area, then
> only able to download small chunks from OSM to edit.  Anything else and JOSM
> took so long to do anything (this is better now, but I think still true).
> Constantly switching between the layers to get the info, then back to edit
> the OSM data to match...  It all just seemed way more labor intensive than
> it needed to be.
> Anyways that is why I am interested in how you plan to attack it.
> --
> Dale Puch
> On Wed, Aug 31, 2011 at 7:47 PM, Nathan Edgars II <neroute2 at gmail.com>wrote:
>> http://www.dot.state.fl.us/**planning/statistics/gis/**roaddata.shtm<http://www.dot.state.fl.us/planning/statistics/gis/roaddata.shtm>
>> This is public domain per Microdecisions, Inc. v. Skinner (though I'm
>> waiting on a reply from FDOT confirming that they agree).
>> After checking all current maxspeed tags against the data to ensure
>> accuracy, I plan to use this as a background layer in JOSM and manually
>> split existing ways at speed limit changes. Tags added will be maxspeed=*
>> and source:maxspeed=FDOT "Maximum Speed Limits" GIS data, updated August 27,
>> 2011: http://www.dot.state.fl.us/**planning/statistics/gis/**
>> roaddata.shtm<http://www.dot.state.fl.us/planning/statistics/gis/roaddata.shtm>
>> I will only do this for state roads, as a quick look shows that it cannot
>> be relied on for county roads.
>> I may in the future add other tags from the same data, such as access
>> management.
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Dale Puch
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