Note: The first time you use the Calculate/Edit Superelevation command on an alignment that contains no superelevation data, a superelevation curve is calculated for each curve (circular arc) in the alignment. A task dialog is displayed with the following options:
Calculate Superelevation Now - choose this option to launch the Superelevation Calculation Wizard.
Open The Superelevation Curve Manager - choose this option to open the Superelevation Curve Manager, where you can view curve data.
After the initial superelevation calculation, the Calculate/Edit Superelevation command automatically displays the Superelevation Curve Manager.
Click Open The Superelevation Curve Manager.
In the Superelevation Curve Manager, click Tabular Editor.
Both the Superelevation Curve Manager and the Superelevation Tabular Editor are displayed.
In the Superelevation Tabular Editor, right-click a curve Add Station. In the drawing the curve is highlighted and at the command line you are prompted to pick a station.
A Transition In Region is created.
Expand the Transition In Regionright-click Manual StationAssign Critical Station and select the critical station or enter a station name.
Right-click the Transition In RegionAdd Station.
A Transition Out Region is created.
Expand the Transition Out Regionright-click Manual StationAssign Critical Station and select the critical station.
Continue adding values as needed. Use this process to add critical stations to Runoff and Runout.
Edit values in the columns, if necessary.
In the Overlap column a warning symbol indicates an overlap situation. When you click ,you are prompted with a task dialog box where you can choose to automatically resolve the overlap or ignore it.