Time interval sets serve as the basis for analysis time intervals. You can define exactly one time interval set for headway attributes.
1. From the menu, choose Network > Network settings.
The Network settings window opens.
2. Select the Calendar and analysis period tab.
3. From the drop-down list Time interval set for headways, choose the desired entry.
In the column IsHeadwayTimeIntervalSet the box is activated and the time interval set is defined as the headway time interval set. In the time interval sets list, the checkbox in the IsHeadwayTimeIntervalSet column is activated and the time interval set is defined as a headway time interval set.
