3 Performance of Operational Service
3.1 TfL Rail/the Elizabeth line delivered a Public Performance Measure of 95.1
per cent during Period 2 (1 – 28 May 2022). Following the start of revenue
service on 24 May 2022, performance in the central section between
Paddington and Abbey Wood was 97.8 per cent over the first five days of
service, with 100 per cent delivered for three of those five days. Performance
on the east was 95.9 per cent during period 02 whilst the west was 93.3 per
cent. The overall Moving Annual Average trend was recorded at 94.0 per cent.
3.3 By the end of 20 June 2022, the Elizabeth line had seen around 10.25 million
passenger journeys across the whole route since it launched on 24 May 2022,
around five million are estimated to have involved the central section from
Paddington to Abbey Wood. The central section of the Elizabeth line is
currently seeing at least 200,000 journeys being made most weekdays.
3.5 Work will continue in engineering hours and on Sundays to allow a series of
testing and software updates in preparation for more intensive services later
this year. By using Sundays and some Saturdays, we anticipate that the next
phase of the Elizabeth line will be complete this autumn, thereby enabling a
much earlier near doubling of train service through the central section and
direct journeys from the east and west through the central tunnels. One full
weekend closure took place on 11/12 June 2022, with two additional closures
scheduled for 30/31 July and 29/30 October 2022.
3.6 The programme has been focussed on further improving the reliability of the
railway following the commissioning of the major signalling software update
ELR200 software at Easter. A subsequent update, ELR201, was
commissioned during the planned weekend closure on 11/12 June 2022 to
restore some aspects of functionality that had regressed in ELR200.
5 Stage 5B
5.1 The plan to complete the end-to-end railway entails three steps: 5B-minus
which will provide a 22 trains per hour peak (16 trains per hour off-peak)
frequency in the central section (Paddington – Whitechapel) which can
commence outside of a National Rail timetable change but requires a 16-week
notice period; and stages 5B and 5C both of which step up the peak
frequency to 24 trains per hour but require auto-reverse and will be
implemented to align with the National Rail timetable change. A T-minus
process is being established that builds on the approach taken to countdown
to commence revenue service of the Elizabeth line.
5.2 Reliability will be a key factor in commencing and moving through the Stage 5
stages with the reliability on each of the west, central and east sections
needing focus and management. A further timetable trial for 20 trains per hour
was undertaken on 19 June 2022. Particular attention is also currently on the
transitions which will be key to support Stage 5. The transition at Stratford
between the central and surface sections is an important part of Stage 5
services and needs to be highly reliable. Work is underway, with our signalling
supplier, to build this reliability to the level required for passenger services.