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This is a list of megaprojects, which may be defined in the following categories: Projects that cost more than US$1 billion and attract a large amount of public attention because of substantial impacts on communities, the natural and built environment, and budgets. Projects with "initiatives that are physical, very expensive, and public". [1]
Megaprojects include special economic zones, public buildings, power plants, dams, airports, hospitals, seaports, bridges, highways, tunnels, railways, wastewater projects, oil and natural gas extraction projects, aerospace projects, weapons systems, information technology systems, large-scale sporting events and, more recently, mixed use waterfront redevelopments; however, the most common ...
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This is a list of megaprojects within the transport sector. Take care in comparing the cost of projects from different times—even a few years apart—due to inflation; comparing nominal costs without taking this into account can be highly misleading. Note that inflation-calculated values are current as of 2023.
Date Price (nominal) Reference Year Price (ref. year) Price (2023 Inflation) Project Length 2015–2029 $64.2 billion (est.) 2018 $64.2 billion (est.)
"Megaprojects" is the term applied to multibillion-dollar infrastructure developments such as massive dams and bridges, and to elaborate railways and highways.The book identifies a "megaprojects paradox," pointing out that more of these projects are being implemented, but such projects typically perform very poorly, often with substantial cost overruns and market shortfalls.
Number of oil fields discovered per decades grouped by average flow rates (left) and corresponding oil volumes (right) in giga-barrels (Gb).Data taken from the annexe B of Twilight in the Desert by Matthew Simmons.
The 597-foot Statue of Unity in Gujarat – the tallest statue in the world [1]. This is a list of megaprojects in India."Megaprojects are temporary endeavours (i.e., projects) characterized by large investment commitment, vast complexity (especially in organisational terms), and long-lasting impact on the economy, the environment, and society".