and (I'd) better hit the road.; (I've) got to hit the road.
Inf. Fig. a phrase indicating that it is time that one departed. (See also (I) have to shove off and (It's) time to run for other possible variations.) Henry: Look at the clock. It's past midnight. It's time to hit the road. Andy: Yeah. We've got to go. Sue: Okay, good night.Bill: I've got to hit the road. I have a long day tomorrow. Mary: Okay, good night. Bill: Bye, Mary.