To select tunnel elements

You can select an entire tunnel, its region, or individual tunnel segments. Available design options will vary depending on your selection. Each element possesses its own properties.

Select an entire tunnel

The tunnel represents the entire tunnel system.

1. Left-click once on a tunnel within a component road to select it.
2. In the Stack you can view, select, or modify the tunnel in your model.

Select a tunnel region

The tunnel region represents a run of tunnel.

1. With a tunnel selected, left-click on the tunnel again to select a tunnel region.
2. In the Stack you can view, select, or modify the region in your tunnel.

Select a tunnel segment

Tunnel segments vary on the kind of tunnel system being designed. They are the individual pieces that consecutively align to form regions.

1. With a tunnel selected, left-click on the tunnel again to select a tunnel segment.
2. In the Stack you can view, select, or modify the segment in your tunnel region.