Hi LakeHulun, it looks like you accidentally dragged the Campbell Road.

In my opinion, highway=residential is not correct in this case.
https://www.openstreetmap.org/way/1350028436

Several roads drawn by your former colleagues also need to be removed:

https://www.openstreetmap.org/way/658656625
https://www.openstreetmap.org/way/658674368
https://www.openstreetmap.org/way/1074308201
https://www.openstreetmap.org/way/1219710457
https://www.openstreetmap.org/way/1219710456
https://www.openstreetmap.org/way/658639907
