![Image](https://i.imgur.com/tcVrjxk.png)
the map view will highlight the conflict in red:
![Image](https://i.imgur.com/BrU204U.png)
The same doesn't work for power poles (and I *think* this used to work some time ago...?):
![Image](https://i.imgur.com/W3MU9o8.png)
![Image](https://i.imgur.com/jEmHtpw.png)
![Image](https://i.imgur.com/Pl5nVuI.png)
The collision detection works when attempting to place the blueprint ("small electric pole is in the way"), but without the highlights, it's really hard to tell where the conflicts are when placing a large blueprint.
I have attached the sandbox save file, but it's really just a newly created sandbox without any mods with the entities placed as shown.