If you use more than one mode of transportation during your VISTA project, you must fill out a V-81 one for each mode of transportation, whether you will use motor vehicles or public transportation. Remember, this must be approved prior to use by your VISTA project sponsor.
See also:
What is the V-81 Transportation Form?
How do I get reimbursed for travel to do my assignment?
Why would I need to use a vehicle or public transportation?
Where can I find the V-81 Form?