Green’s Dictionary of Slang

tie it v.

[the railroad ties and tracks that one follows]

(US) to walk (from town to town).

[US]Daily Trib. (Bismarck, ND) 23 Oct. 4/1: If he walks from town to town the actor [...] ‘ties it,’ ‘collars the pike,’ ‘pounds sap out of the ties’ and ‘goes on his uppers.’.