So I have read through
Door and door latches (49 CFR 571.208 & RCW 46.37.517 & WAC 204-10-022) and it seems to come down to this. If you have a hard top on your Jeep that was designed to have hard doors then they must be on. If you are running with your soft top where the doors are designed to be removed then you are fine and if you are running with a bikini top then the vehicle is considered an open vehicle and no doors are required. In all cases you must comply with the restraint belt requirements.
Dune buggies have no doors... They are legal. I would assume that if your jeep came with no doors, it would be legal.
It is legal to drive any wrangler or cj without doors in any state as doors are considered "optional equipment" from the manufacturer. You will need to check local laws regarding external mirrors though.
It is not legal to drive a car without a windshield in this state.
The legal age to drive across a state boarder is 17.
You couldn't drive a class A or B truck with a class C drivers permit.
No, it is not legal to drive a Polaris Razor 1000 anywhere in the state of Texas.
Yes.
If you are an adult.
Yes.
no
no
It is legal to drive barefoot in the state of Oklahoma.