During Mayor's Question Time on 13 July, Liberal Democrat councillor Caroline Pidgeon questioned the salaries of TfL's top comms people.
Pidgeon said: 'Can you explain why, when you are reviewing all these back office functions, including HR and finance, you are not reviewing marketing and comms? You are preserving a director of news, a director of marketing, a director of public affairs, all earning about £150,000 each, alongside a MD of marketing and comms on £230,000. Is this really justified?'
The roles referred to are held by Stuart Ross, Chris MacLeod, David McNeill and Vernon Everitt respectively. Director of customer experience Shashi Verma has also recently been appointed.
The question came during a discussion about Project Horizon, a planned programme of cuts at TfL.
Although Johnson promised to 'look into' the budgets, a spokesman from TfL later stated that Project Horizon was part of a process to remove duplication of roles within TfL.
'The director posts have not been reviewed, because there is not any duplication of roles. But we're required to make savings of 20 per cent by reducing duplication within marketing and comms.'