Some ferry companies will let you book a different vehicle in each direction, and you can enter the details for each car at the checkout. The easiest thing to do is book a one-way ticket in each direction if the option isn't available.
Some ferry companies will let you book a different vehicle in each direction, and you can enter the details for each car at the checkout. The easiest thing to do is book a one-way ticket in each direction if the option isn't available.