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Edinburgh Tram Inquiry

Completed
Chair Lord Hardie Judge / Judiciary
Established 01 Oct 2014
Final Report 12 Sep 2023
Commissioned by Scottish Government

Public inquiry into why the Edinburgh Trams project was delivered late, over budget, and with a reduced scope. The project cost £776m against an original estimate of £375m and took 5 years longer than planned.

Evidence & Impact
The Edinburgh Tram Inquiry, chaired by Lord Hardie, examined the planning and construction of Edinburgh's tram system, which experienced significant cost overruns and delays. The inquiry published 24 recommendations in August 2023 focusing on project governance, management practices, and legal reforms.

The Scottish Government accepted 14 recommendations (58%), accepted 7 in principle (29%), and placed 3 under consideration (12%). In its November 2023 response, the Government stated that enhanced procedures for documentation management had been embedded within government and that guidance for establishing inquiries was already in development. The Government noted its commitment to collaborative working through the Verity House agreement, whilst maintaining that responsibility for project delivery remains with councils.

City of Edinburgh Council's Chief Executive reported to the Transport and Environment Committee in November 2023, recommending acceptance of several recommendations. Council Leader Cammy Day acknowledged that "serious mistakes were made in the construction of the original tram line" and noted that processes implemented since the original project had helped deliver the successful Trams to Newhaven extension.

The Council reported that scrutiny of ALEOs had "significantly improved" following reviews in 2012 and 2016, resulting in formalised observer roles and increased committee scrutiny. Training on the Member/Officer Protocol was being delivered to senior officers to clarify the distinction between officer and councillor roles.

Three recommendations regarding civil damages provisions and criminal offences for misleading evidence to inquiries remain under consideration by the Scottish Government, which noted that existing remedies may already exist under delictual liability and fraud law.

Whilst both the Scottish Government and City of Edinburgh Council provided initial responses accepting most recommendations, published evidence of specific implementation actions remains limited for many recommendations, particularly those relating to project management expertise requirements, governance structures, and stakeholder co-location practices.
Reforms Attributed to This Inquiry
- Enhanced procedures for minute-taking and documentation management embedded within Scottish Government and Civil Service (Scottish Government statement, November 2023)
- Improved scrutiny arrangements for Arms Length External Organisations (ALEOs) by City of Edinburgh Council, including formalised observer roles and regular committee reporting following 2012 and 2016 reviews
- Member/Officer Protocol training delivered to senior officers at City of Edinburgh Council to clarify distinction between officer and councillor roles
- Guidance for efficient establishment of inquiries developed and shared with recent inquiries (Scottish Government statement, November 2023)
Unfinished Business
- Recommendations on civil damages provisions and criminal statutory offences for misleading evidence to inquiries remain under consideration by Scottish Government
- No published evidence of action on recommendations regarding project management expertise requirements for light rail projects
- No published evidence of progress on recommendations for governance structure guidance and role clarity in major projects
- No published evidence regarding recommendations on co-location of project stakeholders
- No published evidence of updates to guidance on best practices for light rail delivery, despite Scottish Government stating it already operates in line with best practices
AI-generated narrative. Generated 26 Mar 2026 using claude-opus-4. Assessment is indicative, not authoritative.
8 years, 10 months Duration
£13.2m Total Cost
100 Witnesses
160 Hearing Days
7 Core Participants
6,000,000 Documents
961 Report Pages
Inquiry Website Terms of Reference
Government Response
Accepted 14
Accepted in Part 7
Under Review 3
Total Recommendations 24
Data last updated: 16 Nov 2023 · Source
Data verified: 26 May 2026 (import)
How to read this

Government Response tracks what the government said it would do (accepted, rejected, etc.).

Full methodology

Title Volume Publication Date Tracked recs Links
Edinburgh Tram Inquiry Report Final Report 01 Aug 2023 24
05 Jun 2014
Inquiry Announced

Scottish Ministers established an inquiry into the Edinburgh Tram Project.

Source
03 Jul 2014
Chair Appointed

Lord Hardie appointed as Chair.

08 Sep 2014
Terms of Reference Set

Inquiry to examine why project was delayed and over budget.

09 Mar 2017
Hearings Begin

Evidence hearings commenced.

12 Sep 2023
Final Report Published

Report published with 24 recommendations.

Source
31 Jan 2024
Government Response

Scottish Government response to recommendations.

Clear

Recommendations (7)

ETI-1
Accepted in Part
Public Inquiry Efficiency
Recommendation

Scottish Ministers should review public inquiries to find cost-effective methods of avoiding establishment delays, potentially creating a dedicated unit within the Scottish Courts and Tribunals Service and publishing updated guidance.

Published evidence summary
- In November 2023, the Scottish Government stated that guidance on efficient public inquiry establishment was "already in development" and had been shared with recent inquiries (Transport Secretary Statement on Edinburgh Tram Inquiry Report, Scottish Government, 2 November 2023).
- In November 2025, the Scottish Government published "Public inquiries: guidance for Ministers and officials", providing guidance on whether an inquiry should be established, covering statutory and non-statutory options, independence requirements, cost and timing considerations, powers available, interaction with parallel investigations, ECHR obligations, and alternative mechanisms (Public inquiries: guidance for Ministers and officials, Scottish Government, 24 November 2025).
Scottish Government (Primary)
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ETI-2
Accepted in Part
Inquiry Independence
Recommendation

Scottish Ministers must not appoint any department, agency, or government organization as inquiry sponsor where it or its employees had involvement in the project under investigation.

Published evidence summary
- In November 2023, the Scottish Government stated that guidance similar to that suggested was already in development (Transport Secretary Statement on Edinburgh Tram Inquiry Report, Scottish Government, 2 November 2023).
- In November 2025, the Scottish Government published "Public inquiries: guidance for Ministers and officials", which addresses independence requirements for inquiries, including considerations around the relationship between the sponsoring body and the subject matter under investigation (Public inquiries: guidance for Ministers and officials, Scottish Government, 24 November 2025).
Scottish Government (Primary)
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ETI-3
Accepted in Part
Staffing Guidance
Recommendation

Guidance should address: circumstances for civil servant transfers within government; which positions may use agency staff; and whether temporary contracts suit positions unfillable by permanent staff.

Published evidence summary
- In November 2023, the Scottish Government stated that guidance similar to that suggested was already in development (Transport Secretary Statement on Edinburgh Tram Inquiry Report, Scottish Government, 2 November 2023).
- In November 2025, the Scottish Government published "Public inquiries: guidance for Ministers and officials", which covers staffing and resourcing considerations for inquiries (Public inquiries: guidance for Ministers and officials, Scottish Government, 24 November 2025).
- No published guidance specifically addressing circumstances for civil servant transfers, which positions may use agency staff, and suitability of temporary contracts has been identified separately from the general inquiry guidance to March 2026.
Scottish Government (Primary)
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ETI-4
Accepted in Part
Inquiry Cost Transparency
Recommendation

When reporting public inquiry costs, Scottish Ministers should disclose net costs to the public purse, excluding previously-incurred accommodation and staffing expenses, alongside total departmental account costs.

Published evidence summary
- In November 2023, the Scottish Government stated that guidance similar to that suggested was already in development (Transport Secretary Statement on Edinburgh Tram Inquiry Report, Scottish Government, 2 November 2023).
- In November 2025, the Scottish Government published "Public inquiries: guidance for Ministers and officials", which addresses cost considerations for inquiries (Public inquiries: guidance for Ministers and officials, Scottish Government, 24 November 2025).
- No published guidance specifically requiring disclosure of net costs to the public purse (excluding pre-existing staffing and accommodation costs) alongside total departmental account costs has been identified to March 2026.
Scottish Government (Primary)
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ETI-8
Accepted in Part
Update Optimism Bias Guidance
Recommendation

Optimism bias guidance, based on decades-old data, requires updating to include light rail projects and reflect current empirical evidence, with reviews every five years.

Published evidence summary
- In November 2023, the Scottish Government stated it already operates in line with best practices but would consider updating guidance (Transport Secretary Statement on Edinburgh Tram Inquiry Report, Scottish Government, 2 November 2023).
- No published update to optimism bias guidance incorporating light rail project data or reflecting current empirical evidence has been identified to March 2026.
Scottish Government (Primary)
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ETI-10
Accepted in Part
Joint Working Group with COSLA
Recommendation

Scottish Ministers should establish a joint working group with Convention of Scottish Local Authorities representatives to leverage Transport Scotland's project management experience and expertise for light rail projects.

Published evidence summary
- In November 2023, the Scottish Government stated that "effective collaboration sits at the heart of this Government" and cited the Verity House Agreement as a testament to its collaborative approach with local government (Transport Secretary Statement on Edinburgh Tram Inquiry Report, Scottish Government, 2 November 2023).
- No published evidence that a specific joint working group with COSLA representatives has been established to leverage Transport Scotland's project management experience for light rail projects has been identified to March 2026.
Scottish Government (Primary)
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ETI-11
Accepted in Part
Public Fund Protection
Recommendation
Scottish Ministers and local authorities funding light rail should protect public funds through: conditional grant payments with review hold points; critical review and approval of Business Cases and contracts; involvement in project delivery; and requiring local authority compliance with Transport … Read more
Published evidence summary
- In November 2023, the Scottish Government stated that while responsibility for delivery remains with councils as project leads, the Government committed to championing closer working through the Verity House Agreement (Transport Secretary Statement on Edinburgh Tram Inquiry Report, Scottish Government, 2 November 2023).
- No published updated guidance specifically requiring conditional grant payments with review hold points, critical review of Business Cases, or Scottish Government involvement in project delivery for light rail has been identified to March 2026.
Scottish Government (Primary)
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