Parameters Tab (Create Connected Alignment Dialog Box)
Use this tab to specify the curve group type to create, to define curve and spiral parameters, and to define offset and overlap parameters for the connected alignment.
3-Centered Arc Settings Dialog Box
Use this dialog box to specify settings for arcs in a three centered arc curve group type for a connected alignment.
Spiral Settings Dialog Box
Use this dialog box to specify settings for spirals in a connected alignment curve group type.