Corridor - applying super elevation

Hi
Is it possible to apply superelevation to curves in V21 Civil? Currently I am working around this issue by applying templates with different cross falls at discrete stations. To create a design surface I extract 3d poly lines from the corridor and join them up manually with 3d lines and then triangulate the lot. If it were possible to automatically transition between templates it would speed things up.
Cheers
Brian

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