You could do it. But I would probably take a truck for safety. I would also printout assembly instructions and bring them. Make sure to take an inventory of every part before you leave. Bring whatever tools you think you might need and stuff to pack/secure everything down. If you take the Prius, bring some sort of flag to tie to the end so other drivers don't run into you. (like with long rowing sculls or like the Amish and their buggies).