After everything is in place, now comes the billing for the transportation. To go to billing, hover your mouse over billing -> TAT.

Transportation billing4

Click on the TAT will take you to a page that will display all the driving activities for a particular set of days.

Transportation billing5

You may have to go through each single date to do the billing. Click on create billing blue button to start with. This will also create a encounter form for you and will create a superbill for each single day. Before you go ahead with check if the insurance linked to the client has the transportation fee in it.