Old Oak Common

Old Oak Common is an area of London between Harlesden and Acton known for its railway depots, particularly Old Oak Common TMD. Further south lie an open area, Wormwood Scrubs Park, and Wormwood Scrubs prison. In the mid nineteenth century it was a centre for pig farming.

The two former GWR main lines, the Great Western Main Line (GWML) of 1838 to Reading via Slough, and the 1903 New North Main Line (NNML) via Greenford to Northolt Junction, which is the start of the Great Western and Great Central Joint Railway line, split at Old Oak junction. The GWML has a regular passenger service; the now singled NNML is used by freight trains and empty coaching stock movements, with just one workday passenger train each way between Gerrards Cross and Paddington via West Ruislip.