I am driving a groundhog and i accidentally crossed from one city to the next and i cant cancel it like i can while flying in a ship, is this an error? Why can i stop a ship but not a Groundhog is there a reason?

You should have an Abort button in the Travel pane like anywhere else.

I can confirm that the button is missing when trying to Abort crossing terrain in a vehicle.

The only thing that is displayed upon hitting the Travel button is-

"Not much to see here"

Yup thats all i got was some text...

"Not much to see here"

Doesn't appear to be broken for all vehicles but the Groundhog does have this issue for some reason.

I've fixed the bug preventing you seeing the Abort button on dev so it'll come across in the next sync.

Thank you sir~