The Scottish Government says the move will make railway policing more accountable but critics include trade unions and BTP officers.
More Arrests After Scots Cup Final
Police investigating the pitch invasion at the Scottish Cup final have set up a dedicated email address for fans to send footage and photos of the disturbance.
Officers have arrested or reported to the procurator fiscal 15 people since the scenes which marred the end of the match between Hibernian and Rangers at Hampden on Saturday.
A dedicated inquiry team has been set up to probe the incident and police are reviewing photos and videos, including CCTV, to identify culprits.
Lead officer Detective Superintendent Kenny Graham stressed the force wants to identify those responsible for criminal acts, not people "caught up in the crowd''.
He said: "Our focus at the moment is on reviewing video and images in order that we identify those who were responsible for causing disorder, violence and anti-social behaviour on the pitch, not those who may have been caught up in the crowd.
"I am sure that there are people who witnessed or have captured incidents on their mobiles and it's vital that we speak to them so we can view any material that could help us.
"Similarly, I am keen to appeal to the media to send any footage or images to us, as well as members of the public, as this could assist with the inquiry.
"We now have a dedicated email address set up to receive images and video from the public and media and I would urge them to send any material to ScottishCupFinalPitchInvasion@Scotland.pnn.police.uk or by phoning the incident room on 0141 532 5457 (between office hours).
"I understand that people may be reluctant to come forward but I want to reassure you that my focus is tracking down those involved in criminal behaviour.''
Hibs beat Rangers 3-2 with an injury time goal which brought their first Scottish Cup win in 114 years.
Thousands of Hibs supporters flooded on to the pitch following the Edinburgh team's dramatic win and Rangers said their players and staff were assaulted.
Fans of the Glasgow side also made it past stewards and on to the pitch, leading to a period of fighting between the two sets of supporters before mounted Police Scotland officers restored order at the national stadium.
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