This edit did not preserve the history of the masts... in the future with the JSOM plugin https://josm.openstreetmap.de/wiki/Help/Plugin/UtilsPlugin2 you can use ctrl+shift+G to transfer the old history to a new object

Eucalyptus Hill Drive is messed up because that's how it is in the TIGER roads database (TIGER is a great starting point for OSM, but it does not always follow the real world).
See my note osm.org/note/2607912 for progress on fixing