Here are some traffic islands that are possibly not maped correct:
https://www.openstreetmap.org/node/11976014275
https://www.openstreetmap.org/node/11976014276
https://www.openstreetmap.org/node/11990805669
https://www.openstreetmap.org/node/11975929322

See also hte discussion here:
https://www.openstreetmap.org/changeset/152598722
