Civil 3D: Cannot use a Feature Line Created from Corridor for Transitions.
When creating a Feature Line from a Corridor. You cannot use the Feature line for a Transition. The Feature line will not show in the Selection area and although it can be selected through the Corridor Properties selection tool. The Feature line is never added to the list. (See Figure 1)
• Create Polyline from Corridor.
• Then use the Polyline for the Transition.
If you want to use a Feature Line use “Create Feature line from Object” to create a Feature line from the Polyline.
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