5 U.S. mega projects under construction

April 20, 2022

The U.S. is poised for growth in infrastructure construction, thanks to the Bipartisan Infrastructure Law, but there are already many ongoing mega projects reflecting a robust construction industry in America.

Here are five mega projects currently underway in the U.S., brought to you by Construction Review Online.

California High-Speed Rail aims to provide a one-seat ride between Union Station and San Francisco in two hours and 40 minutes, a distance of 380 miles
1. California High-Speed Rail - $77 billion

California High-Speed Rail (CHSR) is a publicly funded high-speed rail system under construction in California.

It is projected to connect the Anaheim Regional Transportation Intermodal Center in Anaheim and Union Station in downtown Los Angeles with the Salesforce Transit Center in San Francisco via the Central Valley, providing a one-seat ride between Union Station and San Francisco in two hours and 40 minutes, a distance of 380 miles.

2. Sound Transit 3 (ST3) - $54 billion

Sound Transit 3, also referred to as ST3, was a ballot measure during the

The $53.8-billion Sound Transit 3 plan will expand the existing Link light rail system to the suburbs of Tacoma, Federal Way, Everett and Issaquah, as well as the Seattle neighborhoods of Ballard and West Seattle

November 2016 elections in Seattle, proposing an expansion of the regional public transit system. Seattle voted in favor of the expansion in a narrow margin, as 54% of voters were hopeful for one of the country’s largest construction projects.

The $53.8-billion Sound Transit 3 plan will expand the existing Link light rail system to the suburbs of Tacoma, Federal Way, Everett and Issaquah, as well as the Seattle neighborhoods of Ballard and West Seattle.

3. Las Vegas Convention Center Loop - $52.5 billion
The 1.5-mile long underground Las Vegas Convention Center Loop reportedly moves up to 4,400 passengers per hour through two tunnels using a fleet of Teslas

The Las Vegas Convention Center Loop is is the first commercial tunneling job for Elon Musk’s The Boring Co., after the construction of an R&D tunnel in Los Angeles.

The 1.5-mile long underground system reportedly moves up to 4,400 passengers per hour through two tunnels using a fleet of Teslas. 

4. Hudson Yards - $20 billion

The Hudson Yards is a real estate development in the Chelsea and Hudson Yards neighborhoods of Manhattan in New York City.

The project has been described as New York’s largest urban development since Rockefeller Center. Upon completion, 13 of the 16 planned structures on the West Side of Midtown South would sit on a platform built over the West Side Yard, a storage yard for Long Island Rail Road

The Hudson Yards project has been described as New York’s largest urban development since Rockefeller Center

trains.

5. Second Avenue Subway - $17 billion

The Second Avenue Subway is a New York City Subway line that runs under Second Avenue on the East Side of Manhattan. The proposed full

The Second Avenue Subway is a New York City Subway line that runs under Second Avenue on the East Side of Manhattan

line would be 8.5 miles and 16 stations long, serve a projected 560,000 daily riders.

Building on the success of Phase 1 of the Second Avenue Subway, which opened on January 1, 2017, Phase 2 is currently underway with teams advancing preliminary design and engineering.

The second phase of the Second Avenue Subway project will extend the Q line into Harlem. It will improve commutes for area residents by creating new stations on Second Avenue and 125th Street.

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