I feel like I've ruined my save here. Trying to use the right words to google search this and am coming up empty. Really hope someone gets what I mean. Basically I went and selected a whole area buildings, roads, trees, and all and hit bulldoze and was very happy to see this amazing tool just wipe it clean so I could rebuild. However now there's broken network icons all over the area and I can't get rid of them. I've let the game sit hoping they'd eventually go, I've tried broken node detector nothing works.

Here's a screeenshot... https://i.postimg.cc/Gts074fD/cities-broken-network.jpg

Am I screwed? Lol thanks for looking