New trains for the Piccadilly line have been undergoing testing on tracks and in a climate chamber in Austria and Germany.
Piccadilly line faces summer-long closures to test new £3.4 billion fleet of trains - see full list of dates - The partial ...
There is disruption across the TfL network this morning as London prepares for a busy Bank Holiday weekend. The Piccadilly line is experiencing severe delays due to an earlier signal failure at King’s ...