hit the road
to leave a place or begin a journey:
I'd love to stay longer but I must be hitting the road.

[TahlilGaran] Advanced Learner's Dictionary ▲

hit the road
to begin traveling.
I'd love to stay longer, but it's really time to hit the road.

[TahlilGaran] English Idioms Dictionary ▲

hit the road
leave - usually in a car
We should hit the road early tomorrow morning if we want to reach the seashore before evening.

[TahlilGaran] English Idioms Dictionary ▲

hit the road
v. phr., slang
1. To become a wanderer; to live an idle life; become a tramp or hobo.
When Jack's wife left him, he felt a desire to travel, so he hit the road.
2. To leave, especially in a car.
It is getting late, so I guess we will hit the road for home.
He packed his car and hit the road for California.

[TahlilGaran] English Idioms Dictionary ▲