Police have warned fans to stay away from the Luton-Millwall FA Cup clash if they haven't got tickets.
Bedfordshire Police will have a high-visibility policing operation at the weekend's fifth round tie. re-run of an FA Cup clash which was marred by rioting in 1985.
Fans travelling to and from Saturday's sell-out tie will be policed by officers from Bedfordshire, Hertfordshire, Thames Valley and Cambridgeshire constabularies, supported by colleagues from British Transport Police.
Chief Supt Mike Colbourne, who is overseeing the policing plan, said: "Obviously there is a huge amount of interest in the game for current and historical reasons.
"It's a fantastic achievement, for Luton in particular, to get this far in the cup and we don't want that to be overshadowed by events."
Fans have been urged to arrive early for the 12:45 kick-off