To add your shipment pre-legs and post-legs component:
In the Shipments tab, click on All Shipments.
Click on the Edit icon for the respective shipment.
On the Shipments page, go to the General -> Additional Transit Details tab.
Click on the Pre Legs/Post Legs button to add the details.
Here, you can add pickup/drop locations, dates, and truck driver details as well.
Click on Save and Stay button to save changes.
