"1506" wrote in message
...

Will this increase capacity? i.e increase train frequency?

The figures in the TfL press release linked earlier combine the capacity
increase of the new S stock and the increased train frequencies allowed by
the intended signalling improvements.

The Met/Circle/H&C/District combined frequency (ie on the top and bottom of
the Circle IYSWIM) increases from the current 28 tph to 32 tph. The much
discussed change to the Circle line, extending it to Hammersmith, was an
early prerequisite for the eventual 2018 set up.

An explanation is available on the TfL website he

http://www.tfl.gov.uk/assets/downloa...ce-Changes.pdf

Paul