Train operator Thameslink has announced a major schedule of route closures on its cross-London services from Brighton.

From September until July 2004, passengers will face weekend and night-time closures.

Services from Brighton will terminate at Blackfriars and there will be no services to City Thameslink, Moorgate, Farringdon or Kings Cross Thameslink.

Anyone wishing to carry on to Bedford will have to travel to West Hampstead or Kentish Town by bus or Underground.

Network Rail is carrying out track and signalling improvements which will pave the way for a new Thameslink station at St Pancras.

Managing director Mark Causebrook said: "In planning these closures we have all worked together to minimise the impact."

Once the track and signalling work is completed the Thameslink route will be severed in September 2004 for approximately six months.

During this phase of work, Brighton trains will terminate at Kings Cross Thameslink and Bedford services will start from St Pancras.

Once the new station is constructed underneath the existing St Pancras station there will be a direct link into the new station , from which Eurostar trains will run to European cities via the new high-speed link to the Channel Tunnel.

More details on the closures at www.thameslink.co.uk/about_us/pr1.shtml