A first glance at the new, lower discount rate
What does the Chancellor’s discount rate announcement mean for transport projects?
Category: Business cases and transport economics
Posts about transport scheme business cases, economics and appraisal
The sensitive matter of the discount rate
Graham is unconvinced by the latest Green Book and TAG advice
What’s new in TAG for May 2026
The latest updates to DfT’s Transport Appraisal Guidance have been announced – with changes large, small or (in one case) puzzling. Graham has the details.
The right place for place-based business cases
A new note from the Transport Plannning Society sets out what PBBCs ought to do. Graham adds some background and his own perspectives
TAG’s cousin: the MHCLG Appraisal Guide
Graham takes a look at a different aspect of investment appraisal
What’s new in TAG for December 2025
Graham rounds-up the latest TAG updates. What’s changing, and what does it mean in practice? With bonus Strictly content.
Dependent development: the May 2025 TAG update
It’s a Brucie Bonus for the economic case – but you’ve got to play your cards right. Graham explains how the updated guidance fits in.
What’s new in TAG for May 2025
Graham rounds-up the latest TAG updates. What’s changing, and what does it mean in practice?
DfT’s new Value for Money Framework: What you need to know
Is it giving more weight to economic growth? Graham digs into the new Indicative BCR and other changes.
What’s new in TAG for Autumn 2024? The latest changes to DfT’s Transport Analysis Guidance
Graham explains the key points in the latest round of TAG updates. Another bumper edition, extending into 2025