Earlier on Wednesday, Chiltern Railways announced its services would not stop at Wembley StadiumStation after 1200 BST on Wednesday for safety reasons.
More than 4, 000 Portsmouth fans were expected at Saturday's game and officers escorted them between the stadium and railway station, where special trains were laid on.
In recent years, the city has been guiding growth to grittier neighborhoods with more capacity, such as those near Union Station and toward the Nationals' major-league baseball stadium south of the Capitol.
He must also sign on at his local police station during the first half of every Rangers game and cannot enter Ibrox stadium, Celtic Park or Hampden Park.