Modifying Driver Selections for a Single Intersection To select a driver for a single intersection: In an open model, from Task Areas, select Manage Allocations, and then Driver Selections. Select the POV and the Layer, then click Go . Select the Exceptions tab. Under Stage, select the model stage that contains the intersection. Under Driver, click the cell that contains the driver to be modified. The drop-down and Common Selector are displayed. Click Selector to display the Select Member dialog box. Select the dimension member required for the specific intersection. Click OK. The driver selection is automatically saved and is displayed in the table.