> A person can road trip in their car, truck, or van

> or upon a motorcycle, moped, or scooter.

Not quite the same thing; you're isolated from your environment by the noise and the cabin or the helmet. You won't hear the birdsong, the silence, the wind rustling in the trees. Much of the depth of the experience is in the total engagement with your environment from moment to moment.

> Few people have that kind of free time.

...if they're selling their labour in exchange for money. Do you need to spend quite as much as you do every fortnight? If you're not living from paycheck to paycheck, spend a couple of years saving and then take time off to do a big trip.

I did it during 2017; the mortgage payments continued and I lived on the rest. I had money left over at the end.