proposals exist to create an interchange with these lines. Proposals for Old Oak Common being considered by Transport for London include a scheme to realign the routes of both the West London and North London lines around the Old Oak Common site to create a new London Overground interchange station. The proposal envisages diverting the NLL Richmond route to curve around the eastern side of Old Oak Common, and re-routing the WLL to branch west south of the Mitre Bridge before curving north along a short section of the Dudding Hill Line to join the West Coast Main Line. The NLL and WLL would meet at a point on the southern side of Old Oak Common, adjacent to Wormwood Scrubs, where new interchange platforms would be built. Alternative versions of this scheme also consider cheaper options such as terminating the WLL at Old Oak Common or two separate London Overground stations. The West London line passes beneath the Earls Court Exhibition Centre along a complex intersection of track which crosses over the subsurface junction of three District line branches. The planned redevelopment of the site by Capital & Counties Properties envisages demolishing the Exhibition Centre to make way for retail and housing; as part of these plans, the West London line is to be enclosed by a concrete box. Commentators have noted that the proposals make no allowance for any future quadrupling of the track to increase capacity on the line. References Further reading . Thomas Faulkner (1839), The History and Antiquities of the Parish of Hammersmith, pp 65–68. J.B. Atkinson "The West London Joint Railways" Ian Allan 1984. Vic Mitchell and Keith Smith "West London Line - Clapham Jn. to Willesden Jn." London Suburban Railways Series, Middleton Press 1996. External links West London Line Group, representing the interests of users of the West London line. West London Line from abandonedstations.org.uk Detailed pages on the history of each station on the line (current and disused). London Overground Transport in the London Borough of Wandsworth Transport in the Royal Borough of Kensington and Chelsea Transport in the London Borough of Hammersmith and Fulham Transport in the London Borough of Brent Railway lines in London Railway lines opened in 1844 Standard gauge railways in London