[Talk-us] US Interstate exit junction exit_to tag

Nathan Edgars II neroute2 at gmail.com
Tue Mar 15 19:57:09 GMT 2011

On 3/8/2011 8:03 AM, Mike N wrote:
> The "Motorway Junction" tag at
> http://wiki.openstreetmap.org/wiki/Motorway_junction has recently had
> the exit_to tag added. Old interstate tagging advice at
> http://wiki.openstreetmap.org/wiki/Interstate_Highway was to put exit
> sign destinations in the "name" tag. However this is not exactly
> correct, especially for the case of highways with named exits.
> The latest JOSM-Tested now includes the exit_to tag as part of the
> preset highway junction dialog, so people who use JOSM will be guided to
> the new standards.
> For standardization purposes, all existing highway junctions should be
> updated to the new convention. (Junctions which contain name= but not
> exit_to= should be changed).
> Question: Can this be a mass edit for the whole US? The results would
> all be correct except for the case of 'named exits' which properly used
> the name only, but have no exit_to tag. In any case, I wouldn't propose
> making a mass edit for 1-2 months as this settles in everyone's mind.

I'd be careful on motorways with toll=* (for example, on Florida's 
Turnpike, I've correctly tagged name but not added exit_to). Otherwise I 
can't see a problem.

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