A total of 331,000 tonnes of construction and demolition waste was generated at TfL sites in 2010/11 as the transport body targets a 90 per cent reuse and recycle level by 2017/18.
The waste was generated at construction sites, improvement works, maintenance activities and track replacement projects in 2010/11 however total waste was 42 per cent lower as the extension of the East London line between Dalston Junction and West Croydon was completed ahead of schedule.
Waste associated with the construction of Crossrail increased significantly as enabling works continued, more demolition works were carried out and construction of the western tunnel portal at Royal Oak and the eastern tunnel portal at Pudding Mill Lane started.
The total volume of C&D waste from capital programmes, ongoing maintenance renewal projects on the Tube and from TLRN maintenance increased slightly as works generating more waste were undertaken during the year.
TfL met its 2017/18 target by reusing or recycling 95 per cent of its C&D waste in 2010/11. London Underground achieved a 92 per cent recycling rate for C&D waste from projects, including ballast track replacement and station capacity projects such as Tottenham Court Road.
Noise complaints rose by nearly half to 951 compared with the previous year with more complaints (324) received in 2010/11 about construction works associated with Crossrail and upgraded public address (PA) systems.
A total of 574 noise complaints associated with construction, contractor noise and PA announcements on the Underground remain the largest source of complaints.