Two of the former world champion's closest friends were killed in the accident on Monday.
Her Majesty shares her own experience of assault in a discussion with John and Amy Hunt about violence against women.
The disruption is now likely to last until the end of New Year's Eve, according to National Rail.
Nurse Megan Lynch was stood at a vending machine when she was hit over the head with the crowbar.
Tressa Burke, chief executive officer of the Glasgow Disability Alliance, says the situation facing disabled people in the UK is "simply intolerable".