[Talk-us] Check your turn:lanes

Toby Murray toby.murray at gmail.com
Wed Aug 24 23:07:53 UTC 2016

Mind sharing the link to the GitHub issue?

Do they think that "none" is an invalid option and are replacing it
with a blank globally? If so, this should be shut down immediately.
"none" and blank are both valid values and while I wouldn't mind
seeing it be consistent, any such edit would need to be discussed
before it is done.


On Wed, Aug 24, 2016 at 5:19 PM, Jack Burke <burkejf3 at gmail.com> wrote:
> An active OSM group (leaving names, etc. out while they check out what I
> reported) is running a script or plug-in or challenge called "to-fix" that
> is apparently supposed to help fix incorrect turn:lanes values (and maybe
> other things, I haven't investigated deeply enough).
> The problem is, it's breaking the values instead.  I found a section of road
> that I'd added turn:lanes to in order to provide lane guidance at an exit.
> My original value of "none|none|none|none|none;slight_right" was replaced by
> "||||slight_right".
> While, per the wiki, there's nothing particularly wrong with a null value
> for a field vs. specifying "none" as the value, it *does* make a difference
> when there are two values in the field, as in my example above.  They turned
> a continue-on-or-exit lane into an exit-only lane.
> So if you find broken lane guidance like that, with empty fields where
> "none" would also be appropriate, that's probably what happened.  Check the
> history on the way and see if you can backtrack what happened (fortunately,
> the group involved here included a url to a github issue where they are
> tracking what they're doing).
> Now I have 200 miles of Interstate to go back through and re-check.
> --jack
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