Four Lines Modernisation

Disctrict Line S8 Stock Acton Town

The Four Lines Modernisation is a resigmalling project for the District Line, Hammersmith & City Line, Circle Line and Metropolitain Line. It is being done in phases known as SMA ( Signal Mitgation Areas) which are numbered 0.5-14.

SMA 0.5

SMA 0.5 was Hammersmith to Latimer Road on the Hammersmith & City Line and Circle Line.

SMA 1

SMA 1 was Latimer Road to London Paddington

SMA 2

SMA 2 was London Paddington to Finchley Road and Euston Square