In CA you have to get your permit first and then wait 6 months and 40 (I think ) hours of supervised (by parents / guardians) before you can get your license. I think if you are over 18 then you don't have to wait those 6 months. But at 15 you can get your permit, but you still have to wait til you are 16 to get your license. Then for the first year you can't drive between the hours of midnight and 5 am. And the first 6 months you can't drive anyone under 18, unless it's a sibling or you have a note to drive them to school. But if you have someone over 25 in the car, you can do either. And I would have the timeframes switched up, but it's annoying! haha