Customising En Route Screen and Stop Travel Screen

Summary:

We want to add additional fields to the En Route Screen and Stop Travel Screen. I am not able to see this Screen visible in the application. How can i see this screen and how to modify this screen.

I can see the Suspend Standard screen customised but not able to see this screen, can u pls share the navigation path to view en route standard screen and i have activated the en route functionality in the business rule screen.

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