§ Mr. Ottaway
To ask the Secretary of State for the Environment, Transport and the Regions what is his current estimate of the total cost of constructing the Jubilee Line extension; and if he will make a statement on the changes since his previous estimate. 
§ Ms Glenda Jackson
London Transport's current estimate of the total cost of constructing the Jubilee Line Extension is £3.2 billion. The estimate referred to in my response of 4 November 1998,Official Report, column 567, was based on a cost review undertaken in August 1998 before the completion date was revised and a three-phase opening strategy adopted.