Women talk of sex harassment on Tube, trains and buses
29 July 2013 Last updated at 22:25 BST
Commuters are being encouraged to speak out if they have been the victim of sexual harassment on the Tube, trains or buses.
About 2,000 British Transport Police officers are being trained to deal with sexual offences that occur on London transport.
BBC London's Tarah Welsh spoke to the Everyday Sexism Project founder Laura Bates and Supt Nicola Watson of British Transport Police.