This appears to be a roller coaster, not a railway. It should be retagged and surveyed for levels.

Check inner/outer.

Resurvey: stop sign is in impossible direction.

Resurvey: stop sign affects impossible direction.

Resurvey. Stop sign is shown as affecting impossible direction on one-way street.

The forest relationship here is self-intersecting. I'll be back to clean it up by 22 April 2022.

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