Transport for London (TfL) ~ Four-Line Modernisation (4LM) Programme to Upgrade the Sub-surface Tube Lines.

Transport for London's (TfL) ~ four-line modernisation (4LM) programme to upgrade the sub-surface tube lines includes one of the largest and most technically complex software-based signalling system projects in the World. RSD has regulatory safety responsibility for oversight of the project and its ongoing phased operational implementation and is in receipt of multiple, serious, safety related Whistleblower disclosures. These matters are of a highly technical and complex nature which complainants assert could poten...