Just as an addendum, you may find false positives like this one https://maproulette.org/mr3/challenge/3588/task/11055949 <https://maproulette.org/mr3/challenge/3588/task/11055949> where a service road connects to residential roads in a perfectly valid way. You should mark these as ’not an issue’ in MapRoulette.
Martijn > On Feb 4, 2019, at 9:36 AM, Martijn van Exel <[email protected]> wrote: > > Hi all, > > Per Matthew Darwin’s request on Twitter, my team prepared a MapRoulette > challenge for ‘highway class flip-flops’. What does this mean? Consecutive > ways that have a suspicious change from one highway= value to another and > then back to the former. This happens sometimes when mappers change the > highway= value for some way but miss a bridge somewhere. An example is > https://www.openstreetmap.org/way/53514358#map=19/51.23309/-116.65373 > <https://www.openstreetmap.org/way/53514358#map=19/51.23309/-116.65373> where > the bridge is marked as residential but the two adjoining ways are marked as > unclassified. > > You can find the challenge at https://maproulette.org/mr3/challenge/3588 > <https://maproulette.org/mr3/challenge/3588> and your feedback is very > welcome.There are ~300 tasks. > > If you have other ideas for challenges to clean up / review existing data let > me know and we can discuss. > > Martijn > _______________________________________________ > Talk-ca mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/talk-ca
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