Written questions

Roads: Repairs and Maintenance

Lords · Question HL11848 · Tabled 12 Nov 2025 · Department for Transport · Official record

Answered 26 Nov 2025

Question

Asked by Lord Bradshaw

To ask His Majesty's Government, further to the Written Answer by Lord Hendy of Richmond Hill on 10 November (HL11340), when were the Stated Preference Techniques used in Transport Analysis Guidance assessments last updated.

Answer

Answered by Lord Hendy of Richmond Hill, 26 Nov 2025

The Department for Transport’s (DfT’s) Transport Analysis Guidance (TAG) uses evidence based on a range of valuation methods, including Stated Preference (SP) techniques. The valuations of changes to passenger travel time in TAG are based on a large-scale...