Crossword Genius

Highway hassle (5)

Ross

I believe the answer is:

tieup

(Other definitions for tieup that I've seen before include "Connection with" , "Business association" .)

I've seen this clue in The Wall Street Journal.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.