how to apply Slope/camber of MCW to civil cell in Open road designer

Will creating civil cell for turn lane we apply normal slope i.e -2.5 or -2.0%.

but in actual site condition junction there is super elevation so turn lane need to construct with same super elevation slope as of Main carriage way i.e +5.0 or -5%. 

How to create civil cell such that while placing civil cell it match main carriageway slope. kindly guide.

Thanks