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# 2.4.5 Tunnel (Hide Tracks)

The Tunnel command is used to hide selected (Section 2.2.16) tracks (as in a tunnel).

Select the tracks you want to hide in a tunnel. Selecting a hidden track 'reveals' it.

A tunnel portal is drawn where a hidden track connects with an 'unhidden' track. You can split (Section 2.2.17.1) a track to place a tunnel portal at a particular spot.

The Draw Tunnels Radio button group on the Options>Display dialog (Section 2.10.3) controls whether hidden tracks are not drawn, drawn as dashed lines or drawn as normal lines.