§ Dr. Cable
To ask the Secretary of State for the Environment, Transport and the Regions for what reasons(a) time savings to road users are incorporated in net present value calculations of the benefits of road capital schemes and (b) time savings to rail users are excluded from rail investment appraisals. 
§ Mr. Hill
Road and rail investment schemes are appraised against the Government's five over-arching criteria as set out in the Integrated Transport White Paper: "environment, safety, economy, accessibility and integration". Time savings are included under the economy criterion for both road and rail appraisals.