The proposed line would run on tracks currently used solely for freight, linking west and north‑west London and improving access to major transport hubs such as Old Oak Common, TfL said.
A funding package of up to £6.65 million has been approved to support the next phase of design, modelling and public‑consultation work, with a decision on whether to seek statutory powers to build the scheme slated for 2027.
David Rowe, TfL’s Director of Investment Planning, described the consultation as “an important opportunity for people to shape the future of this new London Overground route”, adding that better use of existing rail infrastructure would “improve connections between communities and support growth across west and north‑west London”.
Deputy Mayor for Transport Seb Dance welcomed the move, saying the Mayor and he were “delighted that TfL is taking this important first step” and that the project would “drive regeneration and growth not only along the new route but across our great city – unlocking homes, jobs and opportunities”.
If realised, the scheme is expected to support the delivery of around 25,000 new homes, create 11,500 jobs and generate up to £1.3 billion in wider economic benefits, while also enhancing access to schools, hospitals and other vital services.
TfL urged Londoners to submit their views during the consultation period, noting that all feedback will be carefully considered as the agency continues to develop the proposal with its partners.