Step 1
Custom locations can be created by clicking on "Add your own" option in the "Schedule" or "Hopper" tab.

Step 2
Now there are two options to create your own place.
Option 1 : Using the address

Option 2 : Using the map

Step 3
You can add additional notes as you create the place.

Step 4
Once the custom locations are created, they would then available in your schedule.
