Hi - as I mentioned in the comments on your Changeset: 152648594 - it is incorrect to classify these crossings as informal.

Please review the guidance on the Wiki, which clearly states that `crossing=informal` (and `informal=yes`) are only for highways that are not formally established.

https://wiki.openstreetmap.org/wiki/Tag:crossing%3Dinformal
https://wiki.openstreetmap.org/wiki/Tag:informal%3Dyes