The man followed the victim as she got onto the 67 bus towards Irlam/Cadishead where he continued to sexually assault her before he got off the bus at Patricroft Bridge.
The man is described as Asian, in his early 30s, with warts or black lumps on his face, black short hair and spoke in broken English. He was wearing a black jacket and beige chinos and was carrying a carrier bag and umbrella.
Police are appealing for anyone who witnessed the sexual assault to get in contact.
Police Constable Darren White of GMP’s Salford borough, said: “I’m appealing to anyone who recognises the events above or may have information that could help us with our investigation.
“It was a busy weekend in the area with plenty of people around so if anyone has any information, no matter how small, please get in touch.”
Anyone with information should contact police on 0161 856 5322, 101 quoting reference number 970 of 14/11/16 or the independent charity Crimestoppers, anonymously, on 0800 555 111.
Greater Manchester is nationally recognised as a model of good practice in terms of support services available to victims.
- If you or someone you know has been raped or sexually assaulted, we encourage you not to suffer in silence and report it to the police, or a support agency so you can get the help and support available.
- You can call Greater Manchester Police on 101, or alternatively people can refer themselves to St Mary's Sexual Assault Referral Centre on 0161 276 6515, whether or not you want make a police report.
- St Mary's Sexual Assault Referral Centre in Manchester provides a comprehensive and coordinated forensic, counselling and medical aftercare service to anyone in Greater Manchester who has experienced rape or sexual assault. Services are available on a 24-hour basis and people can access them via Greater Manchester Police, or as a self-referral.
- Manchester Rape Crisis is a confidential support service run by women for women and girls who have been raped or sexually abused. Confidential helpline: 0161 273 4500. Black and Minority Ethnic helpline: 0161 273 4514.
- Survivors Manchester offers support and counselling for adult male survivors of sexual abuse and rape, regardless of when the event happened. Contact 07919 246 267