Data on the Tube upgrade programme between 2003/04 and 2010/11, requested by the London Assembly to inform London Assembly's Transport Committee report, State of the Underground, September 2011. Data on the Tube upgrade programme for the network and by line including: progress with the upgrade programme for the period 2003/04 to 2010/11 (e.g amount of track and station refurbishment per year); future milestones for the upgrade programm...