hit the road vs peg it

hit the road

verb
  • To leave a place; to go away. 

  • To begin traveling in an automobile or other road vehicle. 

peg it

verb
  • To run away; to leg it; to scarper. 

  • To die. 

How often have the words hit the road and peg it occurred in a corpus of books? (source: Google Ngram Viewer )