"This announcement is great news. The last minute change of mind will free up a lot of people this August and it is especially welcome that there will be no disruption over the August Bank Holiday weekend.
"However we must now start working to ensure the the tube upgrade programme creates far less confusion and disruption. Short term blockades of small sections of the underground, where the work is completed in just weeks and travellers have plenty of advance notice, would be far better than the current chaos of weekend closures dragging on over so many months."