To ask the Secretary of State for Transport if he will ensure that his forthcoming economic assessment of the costs and benefits of the proposed widening of the M6 motorway between junctions 11A and 19 will take into account the economics of (a) stabilisation, (b) mitigation and (c) adaptation in respect of climate change in accordance with the findings of the Stern Review. (107286)

The appraisal of the M6 (11a to 19) widening is being undertaken in accordance with DfT’s standard Transport Analysis Guidance (see www.webtag.org.uk) and therefore will include a monetary estimate of the social cost of carbon resulting from forecast change in carbon emissions over a 60-year period. This monetary estimate of the social cost of carbon will be taken into account in the economic assessment of the scheme in line with the findings of the Stern Review.