"One of the drivers got out and then as soon as he started going on over the other guy got out of his car and fists went flying.
"There was a fair bit of traffic because when they got out they just left their cars in the middle of the road."
"I wouldn't say it was too brutal; someone got punched in the face and they got a bloody nose but it went to ground pretty quick and a bunch of people stepped in and broke up the fight."
Cambridge was particularly busy at this time of year and many of those who witnessed the incident would have been tourists.
"People pass through all the time, especially too and from the beaches, so it's quite busy."