Big decisions, big risks. Improving accountability in mega projects

Cost overruns in public projects

Arditi, D., Akan, G. T., & Gurdamar, S. (1985) · International Journal of Project Management · doi:10.1016/0263-7863(85)90053-5 · Cited by 114

A disaggregate Box-Cox Logit mode choice model of intercity passenger travel in Germany and its implications for high-speed rail demand forecasts

Mandel, B., Gaudry, M. J. I., & Rothengatter, W. (1997) · The Annals of Regional Science · doi:10.1007/s001680050041 · Cited by 72

BRITISH UTILITY REGULATION: THEORY, PRACTICE, AND REFORM

Helm, D. R. (1994) · Oxford Review of Economic Policy · doi:10.1093/oxrep/10.3.17 · Cited by 64

Accuracy of Traffic Forecasts and Cost Estimates on Large Transportation Projects

Skamris, M. K., & Flyvbjerg, B. (1996) · Transportation Research Record Journal of the Transportation Research Board · doi:10.3141/1518-12 · Cited by 41

Methods for Strategic Environmental Assessment of Transport Infrastructure Plans

Gühnemann, A. (2000) · elib (German Aerospace Center) · Cited by 7

New Methods for Evaluating Energy Infrastructure Development Risks

Ford, M. J., & Abdulla, A. (2021) · Risk Analysis · doi:10.1111/risa.13727 · Cited by 11

The hidden barriers to social value delivery in megaprojects: investigating the decision-making environment

Siva, J. P. S., & Gajendran, T. (2023) · Built Environment Project and Asset Management · doi:10.1108/bepam-02-2022-0032 · Cited by 11

An investigation of key precursors of megaproject crises

Ai-min, W. (2022) · International Journal of Managing Projects in Business · doi:10.1108/ijmpb-09-2021-0234 · Cited by 11

Between fairness, welfare and feasibility: an approach for applying different distributive principles in transport evaluation

Boveldt, G. T., Keserü, I., & Macharis, C. (2020) · European Transport Research Review · doi:10.1186/s12544-020-00428-4 · Cited by 12

Beyond and beneath megaprojects: exploring submerged drivers of nuclear infrastructures

Johnstone, P., & Stirling, A. (2020) · Journal of Mega Infrastructure & Sustainable Development · doi:10.1080/24724718.2021.2012351 · Cited by 10

Political and legal risks in public–private partnership mega transportation projects

Aladağ, H., & Işik, Z. (2021) · Proceedings of the Institution of Civil Engineers - Municipal Engineer · doi:10.1680/jmuen.21.00017 · Cited by 10

Managerial Challenges in Implementing European Rail Traffic Management System, Remote Train Control, and Automatic Train Operation: A Literature Review

Morin, X., Olsson, N. O. E., & Lau, A. (2024) · Future Transportation · doi:10.3390/futuretransp4040065 · Cited by 9

Public Health and Project Management: Do Projects Deliver?

Saleem, F., Murtaza, I., Hyder, S., & Malik, M. I. (2020) · International Journal of Environmental Research and Public Health · doi:10.3390/ijerph17197244 · Cited by 9

Benchmarking project management dimensions at the lapse of a century

Sandhu, M. A., & Khan, A. (2017) · Benchmarking An International Journal · doi:10.1108/bij-03-2016-0043 · Cited by 9

From megaprojects to tourism gentrification? The case of Santa Cruz Verde 2030 (Canary Islands, Spain)

Hübscher, M. (2019) · Boletín de la Asociación de Geógrafos Españoles · doi:10.21138/bage.2813 · Cited by 9

Die Realisierung von Projekten nach dem PPP-Ansatz bei Bundesfernstraßen - Ökonomische Grundlagen und eine Analyse des F-Modells, des A-Modells sowie des Funktionsbauvertrages

Beckers, T. (2005) · DepositOnce · doi:10.14279/depositonce-1251 · Cited by 9

Managing Risk and Uncertainty in Large-Scale University Research Projects.

Moore, S., & Shangraw, R. (2011) · SMARTech Repository (Georgia Institute of Technology) · Cited by 8

Planning behind Closed Doors: Unlocking Large-Scale Urban Development Projects Using the Stakeholder Approach on Tenerife, Spain

Hübscher, M. (2022) · Land · doi:10.3390/land11030390 · Cited by 7

How to sell a railway: lessons on the privatisation of three Dutch railway projects

Koppenjan, J. F. M., & Leijten, M. (2007) · Research Repository (Delft University of Technology) · Cited by 7

Dispute boards in Turkey for infrastructure projects

Alpkökin, P., & Capar, M. S. (2019) · Utilities Policy · doi:10.1016/j.jup.2019.100958 · Cited by 7

Cost Underruns in Major Road Transport Infrastructure Projects—The Surprising Experience of Poland

Rokicki, B. (2022) · Sustainability · doi:10.3390/su142114608 · Cited by 7

Staatliche Förderung von Großtechnikprojekten. Ein dysfunktionaler Anachronismus im Zeitalter der Globalisierung?

Weyer, J. (2005) · TATuP Zeitschrift für Technikfolgenabschätzung in Theorie und Praxis · doi:10.14512/tatup.14.1.18 · Cited by 7

Ex-post evaluation of project efficiency and effectiveness within a Norwegian highway project

Mirhosseini, A. F., Pitera, K., & Odeck, J. (2023) · Case Studies on Transport Policy · doi:10.1016/j.cstp.2023.101067 · Cited by 7

All mega-projects are local? citizen participation lessons from the big dig

Bearfield, D. A., & Dubnick, M. J. (2009) · Journal of Public Budgeting Accounting & Financial Management · doi:10.1108/jpbafm-21-03-2009-b003 · Cited by 6

The economics of a new rail freight line: the case of the Betuweline in the Netherlands

Wiegmans, B. (2008) · EUROPEAN TRANSPORT CONFERENCE 2008; PROCEEDINGS · Cited by 6

IO based impact analysis: a method for estimating the economic impacts by different transport infrastructure investments in Australia

Wang, J., & Charles, M. B. (2010) · Transport Research Forum · Cited by 6

Performance controls and accountability in African transport infrastructure megaprojects: A systematic literature review

Sekasi, J., Harrod, S. S., Andrade, V., & Madsen, J. H. (2024) · Project Leadership and Society · doi:10.1016/j.plas.2024.100123 · Cited by 5

Beyond the Socio-Economic Impact of Transport Megaprojects

Montrimas, A., Bruneckienė, J., & Gaidelys, V. (2021) · Sustainability · doi:10.3390/su13158547 · Cited by 5

Towards methodological adventure in cost overrun research: linking process and product

Amadi, A. I. (2021) · International Journal of Construction Management · doi:10.1080/15623599.2021.1894632 · Cited by 6

Willingness to Pay for Multifunctional Megaprojects: A Stated Preference Analysis Among Firms in the Amsterdam Zuidas Area

Rodenburg, C. A., Nijkamp, P. J., de Groot, H. L. F., & Verhoef, E. T. (2010) · European Planning Studies · doi:10.1080/09654311003594042 · Cited by 5

Baustellenbeirat und Baggerballett

Rögele, S. (2020) · Politik gestalten · doi:10.1007/978-3-658-28235-6_2 · Cited by 5

How to Sell a Railway: Lessons on the privatization of Three Dutch Railway Projects

Koppenjan, J. F. M., & Leijten, M. (2007) · European journal of transport and infrastructure research · doi:10.18757/ejtir.2007.7.3.3389 · Cited by 5

Analysis of cost estimation disclosure in environmental impact statements for surface transportation projects

Sturm, J., Chowdhury, M. A., Dunning, A. E., & Ogle, J. (2010) · Transportation · doi:10.1007/s11116-010-9313-x · Cited by 4

Mega project development: optimising current practices and strategies

Witt, R. (2013) · Cited by 4

Adopting a QCA Approach to Investigating the Risks Involved in Megaprojects from Auditing Perspective

Ma, L., Zhang, B., Cui, M., & Jin, R. (2019) · Discrete Dynamics in Nature and Society · doi:10.1155/2019/4037859 · Cited by 4

Time Overrun in Public Works—Evidence from North-East Italy

Marella, G., & Antoniucci, V. (2019) · Sustainability · doi:10.3390/su11247057 · Cited by 4

Power Games in Space: The German High-Tech Strategy and European Space Policy

Weyer, J., & Schneider, V. (2011) · Springer eBooks · doi:10.1007/978-3-642-12563-8_8 · Cited by 4

Exploring mechanisms underlying lock-in in large infrastructure projects: A management perspective

Hetemi, E., Ordieres-Meré, J. B., Nuur, C., & Engwall, M. (2017) · Procedia Computer Science · doi:10.1016/j.procs.2017.11.089 · Cited by 4

Report for the Edinburgh Tram InquiryPreprint

Flyvbjerg, B., & Budzier, A. (2018) · SSRN Electronic Journal · doi:10.2139/ssrn.3147659 · Cited by 5

Mega project analysis : a case study of the Gauteng Freeway Improvement Project

Parrock, P. (2015) · SUNScholar (Stellenbosch University) · Cited by 4

Understanding Complexity and Uncertainty in E&P Mega Projects: The Need for a New Managerial Approach

Asrilhant, B., & Beyda, T. T. (2015) · OTC Brasil · doi:10.4043/26140-ms · Cited by 3

Megaprojects: Beyond the managerial and activist traps

Audikana, A., Beria, P., & Arellano-Yanguas, J. (2024) · Environment and Planning C Politics and Space · doi:10.1177/23996544241274065 · Cited by 3

Evaluating the impact of mega-projects-induced land-cover changes on habitat quality: a case study of Istanbul

Şenik, B., & Uzun, O. (2025) · Landscape Research · doi:10.1080/01426397.2025.2490048 · Cited by 4

Infrastructures de transport hybrides : quelques enseignements pour la planification. Le cas de la ligne de métro automatique Météor à Paris

Zembri‐Mary, G. (2010) · BELGEO · doi:10.4000/belgeo.6988 · Cited by 3

A gestão da responsabilização nas parcerias intergovernamentais

Löffler, E. (2014) · Revista do Serviço Público · doi:10.21874/rsp.v51i2.323 · Cited by 3

OECD Territorial Reviews: Busan, Korea 2005

OECD (2005) · OECD Territorial Reviews · doi:10.1787/9789264007604-en · Cited by 3

A New Paradigm for the Assessment of High Speed Rail Projects and How to Contain Cost Overruns: Lessons from the EVA-TREN ProjectPreprint

Chevroulet, T., Giorgi, L., & Reynaud, C. (2011) · SSRN Electronic Journal · doi:10.2139/ssrn.1910565 · Cited by 3

The Ethical Challenges and Professional Responses of Travel Demand ForecastersPreprint

Brinkman, P. A. (2003) · RePEc: Research Papers in Economics · Cited by 3

The Portuguese High Speed Rail Network; Relating Financing to Strategic and Operating Issues

Silva, J. D. A. E., Silva, D., & Sussman, J. M. (2011) · DSpace@MIT (Massachusetts Institute of Technology) · Cited by 3

Unveiling the Impact of Project Governance on Performance of Public Sector Development Projects in Sri Lanka

Gamlath, G. R. M., Nanthagopan, Y., Kengatharan, L., & L.Williams, N. (2024) · International Journal of Governance and Public Policy Analysis · doi:10.31357/ijgppa.v5i02.7254 · Cited by 2

Widening the Vision: A Holistic Evaluation Framework for Megaproject Performance

Cellerino, F., Gadda, A., Lucertoni, M., & Mancini, M. (2024) · Lecture notes in civil engineering · doi:10.1007/978-3-031-59703-9_9 · Cited by 2

Sustainability Disclosure and Legacy of Sports Mega-Events: The Case of Paris 2024 Olympic Games

Caccialanza, A., Nito, E. D., & Canonico, P. (2025) · Lecture notes in civil engineering · doi:10.1007/978-3-031-92797-3_11 · Cited by 2

A BIM-enabled framework for evaluating mega construction projects through sustainable development goal indicators

Hasan, S., Işık, Z., & Demirdöğen, G. (2026) · Ain Shams Engineering Journal · doi:10.1016/j.asej.2026.104148 · Cited by 2

Virtual Elevators’ Contribution to Sustainable Transport Policies: The Importance of a Smart Regulator and “Not-Too-Smart” Cards

Chevroulet, T. (2011) · Berkeley Planning Journal · doi:10.5070/bp319111494 · Cited by 2

Inaccuracies in Cost and Demand Forecasts

Berechman, J. (2018) · Springer eBooks · doi:10.1007/978-3-319-74606-7_5 · Cited by 2

Urban planning law in the face of the Olympic challenge: Between innovation and criticism of exceptional urban regeneration

Zembri‐Mary, G., & Engrand-Linder, V. (2023) · Local Economy The Journal of the Local Economy Policy Unit · doi:10.1177/02690942231216045 · Cited by 2

The holistic view in forecasting: A conceptual framework to analyze and mitigate cost underestimation arising from optimism bias

Sassano, G. (2025) · Project Leadership and Society · doi:10.1016/j.plas.2025.100177 · Cited by 4

Analysis of Evaluation Index System for Safety Resilience in Major Railway Projects Based on AISM

Guo, F., Li, X., Pan, Y., Xu, A., Pan, W., & Zhang, Y. (2025) · Buildings · doi:10.3390/buildings15060921 · Cited by 2

A Study on the Dynamic Evolution and Prevention of Technological Innovation Risks in Major Railway Projects

Guo, F., Liu, Q., Li, L., Zuo, Y., Pan, Y., & Pan, W. (2025) · Buildings · doi:10.3390/buildings15081294 · Cited by 2

Financıal risk and return analysıs in mega projects: A panel data approach with econometric modeling

Özyeşil, M., & Tembelo, H. (2025) · Investment Management and Financial Innovations · doi:10.21511/imfi.22(3).2025.06 · Cited by 2

Financing roads and railways with decentralized real estate taxes: the case of Sweden

Andersson, R., & Söderberg, B. (2009) · The Annals of Regional Science · doi:10.1007/s00168-009-0348-x · Cited by 2

Causes of Delays in Mega Projects—Case of the Zambian Transmission Power Projects

Kalebuka, C., Mwanaumo, E., & Thwala, W. D. (2017) · Springer eBooks · doi:10.1007/978-981-10-6190-5_39 · Cited by 2

A Survey of Benefit Approaches and Innovation Loop Required for IT Governance

Ghildyal, A., Chang, E. J., & Joiner, K. F. (2018) · Archives of Business Research · doi:10.14738/abr.610.5102 · Cited by 2

Bringing Power to Planning Research:One Researcher's Story

Flyvbjerg, B. (2002) · VBN Forskningsportal (Aalborg Universitet) · Cited by 2

Management for Stakeholders Approach for a Socially Sustainable Governance of Megaprojects

Barabaschi, B. (2020) · SpringerBriefs in applied sciences and technology · doi:10.1007/978-3-030-39354-0_3 · Cited by 2

Transformationen der Technologiepolitik? Die Hightech-Strategie der Bundesregierung und das Projekt Galileo

Weyer, J. (2008) · Akademie Verlag eBooks · doi:10.1524/9783050061788.137 · Cited by 2

Contractual incompleteness and renegotiations of public private partnerships: A mixed-methods analysis

Sarmento, J. M. (2019) · European Journal of Management Studies · doi:10.5455/ejms/292963/2019 · Cited by 2

Zwischen Deindustrialisierung und Gentrification: Innerstädtische Großprojekte in Santa Cruz de Tenerife (Spanien)

Hübscher, M. (2020) · Mitteilungen der Österreichischen Geographischen Gesellschaft · doi:10.1553/moegg161s63 · Cited by 2

Neoliberal capitalism is underwater: A case study of Boston waterfront developmentPreprint

Karki, T. K. (2021) · SSRN Electronic Journal · doi:10.2139/ssrn.3967786 · Cited by 2

Building brand equity as a dynamic capability during Gautrain public–private partnership patronage guarantee controversy

Mthombeni, M., Ruiters, M., Scheepers, C. B., & Pearson, H. (2024) · Emerald Emerging Markets Case Studies · doi:10.1108/eemcs-06-2023-0193 · Cited by 1

Durability of decisions explained by actor-strategies in games: A multiple case study analysis

Bekius, F., de Kwaasteniet, V., & Teisman, G. R. (2024) · Transport Policy · doi:10.1016/j.tranpol.2024.05.028 · Cited by 1

GOBNILP algorithm in identifying optimal risk model structure for additional work in railway project realizations

Rusek, J., Leśniak, A., & Janowiec, F. (2025) · Archives of Civil and Mechanical Engineering · doi:10.1007/s43452-025-01214-6 · Cited by 1

Reinforcing Multiple Capacities for Sound Infrastructure Governance: Takeaways from Bangladesh

Zafarullah, H., & Swarna, J. F. (2025) · Public Organization Review · doi:10.1007/s11115-025-00875-4 · Cited by 1

Navigating procurement strategies adoption in the New Space transition: Drivers and conditions

Zancan, V., Pozzi, A., Rota, A., Deutsch, S., & Trucco, P. (2025) · Space Policy · doi:10.1016/j.spacepol.2025.101735 · Cited by 1

Assessment of cognitive burden for project portfolio decision mechanisms

Cihan, E. E., & Uslu, C. A. (2026) · Cognitive Systems Research · doi:10.1016/j.cogsys.2026.101471 · Cited by 1

The Technopolitics of Communication Technologies in Africa

Gagliardone, I. (2018) · Springer eBooks · doi:10.1007/978-3-319-70443-2_15 · Cited by 1

Planning and Coordination of Transport Infrastructure

Hasselgren, B. (2018) · Springer eBooks · doi:10.1007/978-3-319-79054-1_4 · Cited by 1

National culture and business resilience: An exploratory study of two Chinese construction firms operating in Singapore

Pheng, L. S., Gao, S. H., & Ken, T. W. K. (2015) · Business Review · doi:10.54784/1990-6587.1353 · Cited by 1

Employer Toxic Leadership and Implications for Managing Risk and Stakeholder Management: a Road Improvement Project in Nepal

James, P. A. (2022) · Enterprise Risk Management · doi:10.5296/erm.v7i1.20274 · Cited by 1

Rail factor and realism of the unconscious

Talvitie, A. (2020) · Transportation Research Interdisciplinary Perspectives · doi:10.1016/j.trip.2020.100144 · Cited by 1

Uncertainties in the decision-making process of megaprojects: the Zeebrugge new sea lock

Machiels, T., Compernolle, T., & Coppens, T. (2020) · Proceedings of the Institution of Civil Engineers - Urban Design and Planning · doi:10.1680/jurdp.19.00031 · Cited by 1

“Megaprojects to Mega-Uncertainty” Is About Risk Management to Perform

Chatelier, C., Oyegoke, A. S., Ajayi, S. O., & Heathcote, J. (2021) · Springer eBooks · doi:10.1007/978-3-030-79450-7_22 · Cited by 1

En referensram för studier av kommuner i förändring

Brorström, B., Nilsson, V., Almqvist, R., Jonsson, L., & Ramberg, U. (2010) · Borås Academic Digital Archive (University of Borås) · Cited by 1

Exploration into knowledge production in spatial planning : the Cornubia Housing Project, eThekwini Municipality, South Africa.

Cooke, H. L. (2014) · ResearchSpace (University of KwaZulu-Natal) · Cited by 1

The road less travelled : scale in assessment and planning of highways

Keshkamat, S. S. (2011) · doi:10.3990/1.9789061643050 · Cited by 1

Communication in mega-projects : The consultant´s perspective

Billström, L., & Cederqvist, L. (2012) · KTH Publication Database DiVA (KTH Royal Institute of Technology) · Cited by 1

References

(2017) · Emerald Group Publishing Limited eBooks · doi:10.1108/978-1-78635-830-120171010 · Cited by 1

An Ex-Ante Method to Verify Commercial U.S. Nuclear Power Plant Decommissioning Cost EstimatesPreprint

Lordan-Perret, R., Bärenbold, R., Weigt, H., & Rosner, R. (2022) · SSRN Electronic Journal · doi:10.2139/ssrn.4112957 · Cited by 1

Do the citizens matter? : A study of citizen participation during the planning process of the extension of state highway 1 - Puhoi to Wellsford, Auckland, New Zealand.

Rehn, M. (2013) · KTH Publication Database DiVA (KTH Royal Institute of Technology) · Cited by 1

Stochastic Risk vs. Policy Oriented Uncertainties: The Case of the Alpine CrossingsPreprint

Brunel, J. (2004) · RePEc: Research Papers in Economics

Un sistema di supporto alle decisioni per l’analisi dei conflitti derivanti dall’implementazione delle politiche di pricing

Gallo, M., D’Acierno, L., Ciccarelli, R., & Montella, B. (2011) · TeMA · doi:10.6092/1970-9870/603

Infrastrutture di trasporto e accettabilità: il ruolo della valutazione economica nella riduzione dei conflitti

Maffii, S., & Parolin, R. (2011) · TeMA · doi:10.6092/1970-9870/531

Att undvika en Mong

Coku, A. D. (2010)

Allocating risk in transportation megaprojects: the case of the Canada Line

Ruhland, C. M. (2010) · Summit (Simon Fraser University)

Transparency of Defence Policy in Progress

Ivanov, T. (2003) · Information & Security An International Journal · doi:10.11610/isij.1103

Hoe verkoop ik een spoorweg?

Koppenjan, J. F. M., & Leijten, M. (2005) · Beleid en Maatschappij · doi:10.1347/benm.32.3.139

Grandi e piccole opere Per un'azione pubblica responsabile

Moroni, S. (2014) · SCIENZE REGIONALI · doi:10.3280/scre2014-003005

Grote infrastructuurprojecten: De kwaliteit van kostenschattingen en vervoersprognoses: een literatuuroverzicht

van Wee, B. (2004) · Research Repository (Delft University of Technology)

Application of the Input-Output Model to the Analysis of the Economic Impacts of Transport Infrastructure Investment in Australia

Wang, J., & Charles, M. B. (2010)

Cost Overrun at the Norwegian Continental Shelf: The Element of SurprisePreprint

Øglend, A., Osmundsen, P., & Lorentzen, S. (2016) · SSRN Electronic Journal · doi:10.2139/ssrn.2808648

Uncertain factors in the cost estimation process for the helltunnel - SVV

Vahos, J. D. (2015) · NORA - Norwegian Open Research Archives

Cost Overrun and Impact Assessment of Addis Ababa's Light Rail Transit Construction Project

Weyessa, E. (2014) · National Academic Digital Repository of Ethiopia · doi:10.20372/nadre/10627

A HIERARCHICAL MULTI-STAKEHOLDER PRINCIPAL-AGENT MODEL FOR (ANTI-) CORRUPTION IN PUBLIC INFRASTRUCTURE PROCUREMENT

Huang, B. (2017) · eCommons (Cornell University) · doi:10.7298/x4fb50xr

A Comprehensive Decision Support Framework in the Front-End Phase of Major Transportation Projects

Mahmoud, N. V. (2016) · doi:10.25148/etd.fidc001262

An Exploration of the Causes of Cost Overruns in Public Sector Infrastructure Projects in the United Arab Emirates (UAE): A Stakeholder Perspective

Fanousse, R. I. (2017)

Risk Accounting in Calculations of Public Efficiency of Large-scale Infrastructure Projects

Livchits, V., Mironova, I. A., Tischenko, T., Frolova, M., & Shvetsov, A. (2021) · International Conference Management of Large-Scale System Development (MLSD) · doi:10.1109/mlsd52249.2021.9600112 · Cited by 5

Accountable megaproject decision making

Flyvbjerg, B., Bruzelius, N., & Rothengatter, W. (2003) · Cambridge University Press eBooks · doi:10.1017/cbo9781107050891.011

Risk Based Project Governance Models for Large Scale Transportation and Energy Projects in the United StatesPreprint

Islam, M. A. (2026) · Research Square · doi:10.21203/rs.3.rs-9825852/v1 · Cited by 4

Lessons of privatisation

Flyvbjerg, B., Bruzelius, N., & Rothengatter, W. (2003) · Cambridge University Press eBooks · doi:10.1017/cbo9781107050891.009 · Cited by 2

Delusion and Deception in Large Infrastructure Projects: Two Models for Explaining and Preventing Executive Disaster

Flyvbjerg, B., Garbuio, M., & Lovallo, D. P. (2009) · California Management Review · doi:10.2307/41166485 · Cited by 453