Roads: Repairs and Maintenance
Lords · Question HL11894 · Tabled 13 Nov 2025 · Department for Transport · Official record
Answered 27 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), in the Transport Analysis Guidance what, if anything, is the smallest period of time that can be taken into account in evaluating time
Answer
Answered by Lord Hendy of Richmond Hill, 27 Nov 2025
Transport models are capable of capturing almost any scale of changes in journey time, down to fractions of seconds. Typically, these are aggregated across travellers to provide a measure of the impact of the scheme. In the Department’s Appraisal Summary ...