It was put forward by the London group of the Campaign for Better Transport and by the Coalition for a Sustainable Brent Cross Cricklewood.
The core proposal envisaged a line running east–west across north London from Brent Cross to Park Royal,[5] with extensions to Ealing Broadway and Wembley Stadium, and a new line running north–south from Finchley Central through Brent Cross to Finchley Road.
"[10] Later that year, Barnet Council voted to request the developers to maintain contact with the light rail promoters.
[12][13] In January 2014, Barnet Council voted that "much-needed orbital rail links should be investigated, routes safeguarded and included in financial planning", but it removed a reference in the original motion to "light-rail".
[14] In April 2019, £320M of funding was approved for a new Brent Cross West station, that would also serve the potential new service.