with the up platform loop still in situ, and at South Ruislip, with the Down Main through line in situ. This would involve the reconstruction of the down platform at West Ruislip, the reconstruction of the up platform at South Ruislip, and the demolition of West Ruislip signal box. Building of a new combined West Hampstead Interchange, bringing together what at present are three close by, but physically separated stations to allow easy interchange with the London Overground (North London Line), London Underground (Jubilee line) and Thameslink (Thameslink line) and Chiltern Railways, with new Metropolitan line platforms possible. References External links Chiltern Railways Evergreen 3 project Rail transport in Birmingham, West Midlands Rail transport in Buckinghamshire Rail transport in Northamptonshire Rail transport in Oxfordshire Rail transport in Warwickshire Railway lines in London Railway lines in South East England Railway lines in the West Midlands (region) Standard gauge railways in England Transport in the London Borough of Brent Transport in the London Borough of Camden Transport in the London Borough of Harrow Transport in the London Borough of Hillingdon Transport in the City of Westminster 1910 establishments in England