Resetting priorities to resolve intersections
Perform the following steps to reset priorities:
- If you have not already done so,
display the CU Priorities view by clicking CU Priorities. Figure 1 shows
the originally assigned priorities and four associated intersections.
Figure 1. Original priorities and associated intersections - In the CU Priorities pane, change the priority of any control
unit that has an intersection and has the same priority as another
control unit. Figure 2 shows
the updated priorities.
Figure 2. Updated priorities - Click Automatic Mapping or Process Intersections.
Note: (As previously noted, Automatic Mapping includes processing intersections. However there may be times when you want to process intersections without the overhead of performing automatic mapping. See Optionally using Process Intersectionsfor more information.)
Figure 3 shows only two "C" intersections (after changing a priority) rather than the original four.
Figure 3. Intersections reduced
- Use manual mapping to remap CHPIDs to PCHIDs to fix intersections: