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Construction is one of the biggest industry in the world. After more than 2 years of health and movement restrictions due to COVID-19 pandemic that slowed down many construction projects, many projects has finally resumed to progress.

What are some of the biggest construction projects in the world? Let’s take a look at three world’s largest construction projects below.

The projects below falls into the category of “Mega Construction” which cost more than US$1 billion and attract a large publicity due to its important impact on society overall well-being.

1.Al Maktoum International Airport, Dubai, UAE

Al Maktoum International Airport, also known as Dubai World Central (DWC), is the future of Dubai’s Airport. DWC officially launched the passengers flights in 2013, while cargo operations started much earlier in 2010.

Located 40km away from the centre at the southwest of Dubai, the airport covers a land area of nearly 65 sq km. The construction of DWC currently still has not been fully completed yet, upon completion, it will be the world’s largest global gateway with ultimate capacity of more than 160 million passengers and with ultimate capacity of more than 160 million passengers and 12 million tonnes of cargo freight each year. It is estimated to be around ten times the size of the current Dubai International Airport, which now serves as the primary airport in Dubai.

The Airport is currently being expanded from the single runway to an eventual five runways. 

dubai world central

2.California High-Speed Rail

The California High-Speed Rail (HSR) is the first high-speed rail system in the nation. When traveling between cities in the US, there are mainly two ways of transportation, it is either by car or plane. The California HSR will connect eight of the ten big cities in the state, which will increase the transportation efficiency especially with projected huge population growth in the upcoming years. The HSR in California will be 100% electric-powered from renewable energy. This project is expected to hugely contribute to economic development and a cleaner environment. Since its first public announcement, this high-profile project has grabbed a lot of public attention, which in turn also led to some speculation and rumor. 

calirfornia HSR

3.London Crossrail Project

The Crossrail is a railway construction project undergoing in London. It is one of the biggest infrastructure project in Europe with the largest single investment received in the entire UK. The total estimated cost of this project reached £18.7 billion by August 2020.The purpose of this project is to provide a full-fledged passenger service transportation system in London, crossing the capital from west to east, for the projected growing population by 2030.

The Crossrail railway project connects two major railway lines in London, the Great Western Main Line and the Great Eastern Main Line. After around 35 years of planning and development, the construction of this project first began in 2009 at Canary Wharf, which this route is later named as the “Elizabeth line” in honor of Queen Elizabeth II.

The main feature of the project is the construction of a new underground railway line from near Paddington Station via central London and Liverpool Street Station to Stratford. This project also use a special British-made electric passenger trains with high-frequency of up to 24 trains per hour in each direction.

The railway was originally planned to open for public in 2018, however the project continues to be delayed. The COVID-19 pandemic also caused some work restrictions that further slowed down the construction progress. Finally in the first half of 2022, the central section is planned to open for public.

London Crossrail project

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