1 of 2. Where the track crosses the river there is a bridge (strictly the river goes through a short culvert beneath the track if that makes a difference). I've not figured out how to separate the river & the track.

2 of 2. Where the track crosses the river there is a bridge (strictly the river goes through a short culvert beneath the track if that makes a difference). I've not figured out how to separate the river & the track.