Hi - there’s no moderation queue, it’s just that the tile servers don’t update themselves immediately. The “standard” tile servers are supposed to update on the fly, but things are quite busy at the moment. Tile layers like the the cycle map and the transport map might take a week to update too.
If you zoom in and click the “map data” button you can see that what you added is there, and other maps that might update quicker also show it (https://map.atownsend.org.uk/maps/map/map.html#zoom=14&lat=53.87626&lon=-0.70622 is one example).
Regards,
Andy (from about 20 miles northwest of there).