To create a new choice list type in the name you wish to give tot his list on the left, in this case that would be ‘Transportation’. Type in the Label and Value you wish to give to this choice. Select the correct customer from the dropdown menu on the right. Once all your data is correct click on the ‘+’ to add this choicelist.
To enter a second (or third, fouth etc) choice select the name of the list you wish to extend. In this case that choice would be ‘Transportation’. Leave #1 blank and type in information at both #2’s. Once again press the ‘+’ to add this list to the available choices.
This article also has a Youtube video to show how this action can be done.