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Priority calls

Lines will be dealt with in order of urgency based on which has the most life expired equipment.

District

East London

Piccadilly

Hammersmith & Circle

Metropolitan

Waterloo & City

Bakerloo

Jubilee

Central

Victoria

Northern

New fibre optics will connect up with those already in place on the JLE extension but the radio system will need to be replaced.

The Northern Line radio set up is currently being upgraded as part of the Northern Line train PFI so will be left until last.

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