we should raise the driving age to 18 because 18 year old's brains are at a higher level than 16 year old's and 18 year old's are more responsible.

18 year old's brains are at a higher level than 16 year old's. 18 year old's are older so their brains have grown more than 16 year old.

18 year old's are more responsible. 18 year old's are older so they have more responsibilities that make them more responsible and less likely to disobey traffic law than 16 year old's