The term 'road reversal' is a phrase used to describe a situation in which a vehicle changes direction on a road. The two crossword solutions for this term are 'OPT' (3 letters) and 'UTURN' (5 letters). 'OPT' stands for 'OPTION, ' which implies that the driver has the OPTION to turn around and go back the way they came. 'UTURN' is a more specific term, referring to a maneuver in which a driver turns their car around in the middle of the road. Both terms refer to the same action, but 'UTURN' is more descriptive and specific.