What does "hit the road" mean?

To begin traveling in an automobile or other road vehicle.

What is a synonym for "hit the road"?

Common synonyms include: bat around, be off, beat, beat it, begone, bum.

verb, slang

verb, slang ·Moderate ·College level

Verb

1
To begin traveling in an automobile or other road vehicle. idiomatic, slang
"If we're gonna make it by sunset, we'd better hit the road."
2
To leave a place; to go away. idiomatic, slang
"It's time for me to hit the road and walk home."

"If we're gonna make it by sunset, we'd better hit the road."

Compare typologically Russian уда́риться в бега́ (udáritʹsja v begá), уда́рить по та́пкам (udáritʹ po tápkam), тро́нуться (trónutʹsja).