What is the circle thing when you build the road sepretly?

[Unregistered]

Hi! I need help finding out what the circle thing is when you put a road sepretly? Thanks for helping me!

[Unregistered]

Hi! I need help finding out what the circle thing is when you put a road sepretly? Thanks for helping me!

It is just a piece of road that has nothing to join up to. It will change shape when you put another road tile next to it.