| TWA Application Submitted |
June 2004 |
| Public Inquiry |
February 2005 |
| Powers approved |
October 2006 |
| |
| TWA Application submitted |
August 2006 |
| Public Enquiry |
March 2007 |
| Powers approved |
September 2007 |
| |
| Start of Construction |
May 2007 |
| Tower Gateway temporary closure |
June 2008 - Spring 2009 |
| Reduced service Crossharbour to Lewisham |
June 2008 - August 2008 |
| DLR Bank platforms temporary closure |
December 2009 - January 2010 |
| Three-carriage trains run between Bank and Lewisham |
Early 2010 |
| Three-carriage construction complete on Beckton route |
Early 2011 |