The Boring Company
Corporate brand
UnclaimedAn infrastructure and tunnel-construction company developing underground transportation systems and tunneling technology.
Last updated October 15, 2026
Overview
The Boring Company, commonly abbreviated as TBC, is a privately held American infrastructure, tunnel-construction, and tunneling-equipment company founded by Elon Musk. Musk introduced the idea publicly in December 2016, citing traffic congestion in Los Angeles and arguing that urban transportation is constrained by its largely two-dimensional use of surface space. The company was formally registered in January 2017 as TBC – The Boring Company and initially operated as a subsidiary of SpaceX. It became a separate corporate entity in 2018, although its early workforce and operating culture drew substantially from SpaceX. TBC’s stated objective is to reduce the cost and duration of tunnel construction sufficiently to make extensive underground transportation networks economically practical. Its approach combines custom tunnel-boring machines, automated or remotely operated construction processes, prefabricated concrete lining segments, electric material-handling vehicles, and systems intended to reduce the amount of surface excavation required. The company has emphasized faster boring cycles, smaller-diameter tunnels, simplified stations, and the use of electric vehicles inside tunnels. Its technology program has included machines such as Godot and the Prufrock series, together with systems for continuous tunneling, tunnel-liner installation, and removal of excavated material. The company completed a test tunnel in Hawthorne, California, in 2018 and publicly demonstrated it in December of that year. Its most significant operating project is the Las Vegas Convention Center Loop, a three-station underground transportation system completed in 2021. The system initially covered approximately 1.7 miles of tunnels and used Tesla vehicles to transport passengers between convention-center facilities. A segment serving Resorts World Las Vegas subsequently opened, while connections to other Las Vegas resorts have been planned or under development. TBC has described a possible much larger Vegas Loop network, although the ultimate scale and delivery timetable remain subject to approvals, construction, and operational development. TBC has announced or discussed projects in several American cities, including Los Angeles, Chicago, Washington and Baltimore, San Jose, San Bernardino County, Fort Lauderdale, Miami, San Antonio, and South Texas. Many of these proposals became inactive, were canceled, were removed from the company’s project listings, or did not progress to construction. The company has also discussed international opportunities, including a Dubai Loop concept and a proposed tunnel in Australia’s Blue Mountains, though announced concepts should not be treated as completed projects. The company has raised private capital, including a $113 million contribution from Musk and a $120 million stock sale to venture-capital investors in 2019. In 2022 it announced a $675 million Series C round led by Vy Capital and Sequoia Capital, reportedly valuing the company at approximately $5.675 billion. These figures describe private financing events rather than public-market performance. Beyond infrastructure contracting, TBC has used merchandise and engineering competitions as promotional tools. Its 2018 sale of a product marketed first as a flamethrower and later renamed Not-a-Flamethrower generated substantial public attention. In 2020 the company launched the Not-a-Boring Competition, inviting student teams to design and demonstrate tunnel-boring systems. The competition was held in Las Vegas in 2021 and again in 2023, with TUM Boring winning both editions described in the supplied reference material. TBC’s positioning is distinctive but contested. Supporters see it as an unconventional attempt to lower tunneling costs and expand underground transport. Critics argue that its small tunnels and vehicle-oriented operating model provide much lower passenger capacity than conventional rail transit, and have questioned the adequacy of emergency…
History
Elon Musk announced the concept behind The Boring Company in December 2016, presenting tunneling as a possible response to road congestion and the limited surface area available for urban transportation. The company was officially registered on January 11, 2017, and initially operated within SpaceX. Its early purpose was not simply to provide conventional excavation services, but to develop a faster and less expensive tunneling process that could support dense underground transportation networks. The company’s early personnel included SpaceX employees and engineers from other technical fields. It conducted experiments in Hawthorne, California, using increasingly specialized equipment. Its first major machine, Godot, was a conventional tunnel-boring machine acquired from Lovat. Later Prufrock machines were designed around TBC’s intended operating model, including upgrades performed at the work site, remote operation, continuous mining, and a process known as porpoising, in which a machine enters and exits the ground without requiring the large launch and retrieval excavations associated with many conventional tunneling operations. TBC also developed electric liner vehicles and conveyor systems intended to move concrete segments and excavated material through narrow tunnels. In early 2018, TBC was separated from SpaceX and established as an independent company. That year it completed a test tunnel in Hawthorne and presented the tunnel publicly. The company supplemented founder capital with merchandise revenue and later private investment. In 2018, it attracted attention by selling a gun-shaped roofing torch marketed as a flamethrower, subsequently renamed Not-a-Flamethrower. The product became an important example of the company’s use of consumer merchandise and publicity to build awareness around an infrastructure business. The company’s principal operational achievement has been the Las Vegas Convention Center Loop. Construction of the initial system was completed in 2021, producing approximately 1.7 miles of tunnels and three stations. The system uses Tesla vehicles to transport passengers between convention-center locations. A connection to Resorts World Las Vegas later opened, and additional resort connections have been planned. TBC has promoted a broader Vegas Loop concept that could eventually comprise a substantially larger network, though individual segments remain dependent on approvals, financing, construction, and operating arrangements. During the same period, TBC publicized projects in numerous cities. Some proposals involved airport links, downtown-to-beach systems, convention or sports-venue connections, and links to SpaceX-related facilities. Several did not advance. The Chicago Express Loop proposal was dropped; Los Angeles proposals encountered opposition and litigation or disappeared from project listings; San Bernardino County ultimately pursued another approach after TBC did not submit a proposal; Fort Lauderdale suspended its project effort; and San Antonio officials said the company failed to continue engagement after being selected for a proposed airport link. Other concepts, including projects in Miami, South Texas, Dubai, and Australia, have remained proposals or studies rather than completed systems. TBC has also attempted to cultivate a broader engineering ecosystem. Its Not-a-Boring Competition invited student teams to construct and demonstrate compact tunnel-boring solutions. The first competition took place in Las Vegas in 2021, and a second was held in Texas in 2023. TUM Boring, from the Technical University of Munich, won both competitions described in the reference material. The company’s technology claims and business model have attracted substantial criticism. Tunnel-industry specialists and transportation academics have questioned whether compact vehicle tunnels can deliver the cost and capacity advantages promised by Musk. Critics have contrasted the low capacity of single-lane tunnels with conventional subway systems and have raised concerns about emergency evacuation, ventilation, fire suppression, vehicle breakdowns, and the inability of vehicles to pass one another in a blocked tunnel. TBC has also faced environmental scrutiny in Texas, where authorities cited five regulatory violations in 2022. TBC raised $113 million from Musk and later sold $120 million in stock to venture investors in 2019. In April 2022 it announced a $675 million Series C round led by Vy Capital and Sequoia Capital, with participation from several other investment firms. The company relocated its headquarters and engineering facilities from the Hawthorne area to Bastrop, Texas, before April 2023. It remains a private infrastructure and technology company whose demonstrated operating footprint is concentrated in Las Vegas, while its larger ambition is to make automated, compact underground transportation more economical to build.
- 2023
Bastrop headquarters established
[1]The company’s headquarters and engineering facilities were reported to have moved to Bastrop, Texas.
- 2022
Series C financing announced
[1]TBC announced a $675 million Series C financing round led by Vy Capital and Sequoia Capital.
- 2021
Las Vegas Convention Center Loop completed
[1]TBC completed the initial three-station, approximately 1.7-mile Las Vegas Convention Center transportation system.
- 2019
Private venture financing
[1]The company sold approximately $120 million of stock to venture-capital investors.
- 2018
Spin-off and Hawthorne test tunnel
[1]TBC became a separate corporation and completed its first test tunnel in Hawthorne, California.
- 2017
The company is formally registered
[1]TBC – The Boring Company was registered in January and operated initially as a SpaceX subsidiary.
- 2016
Musk announces the tunnel-company concept
[1]Elon Musk publicly introduced the idea that became The Boring Company, citing Los Angeles traffic and the limits of surface transportation.
Products and positioning
A technology-led, lower-cost alternative to conventional tunnel construction and urban rail expansion, using compact tunnels, automation, electric vehicles, and unconventional project delivery.
Demonstration infrastructure · 2018
Hawthorne Test Tunnel
A test tunnel constructed in Hawthorne, California, and publicly demonstrated in 2018. It served as an early proof of concept for TBC’s proposed low-cost underground transportation approach and provided a venue for showcasing vehicle movement and tunnel construction ideas.
Underground transportation system · 2021
Las Vegas Convention Center Loop
A three-station underground passenger system serving the Las Vegas Convention Center. The initial completed network contains approximately 1.7 miles of tunnels and uses Tesla vehicles to move passengers between convention facilities. It is the company’s first major publicly operating transportation project.
Underground transportation network
Vegas Loop
A larger proposed network of tunnels and stations around Las Vegas. The Convention Center system forms part of the broader concept, with additional connections including Resorts World and proposed links to other resorts. The full network remains a phased development rather than a single completed system.
Tunnel-boring equipment
Prufrock tunnel-boring machines
A family of TBC tunnel-boring machines intended to improve on conventional boring through field upgrades, remote operation, continuous mining, and the company’s porpoising method. The machines are designed for relatively small tunnels and are central to TBC’s effort to reduce construction time and surface disruption.
Engineering competition · 2020
Not-a-Boring Competition
A student engineering challenge created by TBC to encourage new approaches to compact tunnel boring. Teams were required to design and demonstrate machines capable of excavating a specified tunnel length and diameter under competition safety and accuracy requirements.
Controversies
Marketing campaigns
- 2020Not-a-Boring Competition
International
TBC invited student teams to compete in the design and construction of compact tunnel-boring systems. Finals were held in Las Vegas in 2021 and in Texas in 2023, with teams from several countries participating.
Outcome. TUM Boring won the two editions described in the supplied reference material.
- 2018Not-a-Flamethrower merchandise release
United States
TBC sold 20,000 gun-shaped roofing torches as promotional merchandise. After customs officials objected to products labeled flamethrowers, the company renamed the item Not-a-Flamethrower and promoted the renaming as part of the product’s publicity.
Outcome. The limited quantity sold out within days and generated extensive media attention.
Brand decisions
2022
Raise Series C capital for expansionStrategyBackground
TBC was seeking capital to expand its tunnel-construction technology and proposed transportation networks.
Action taken
The company announced a $675 million Series C financing led by Vy Capital and Sequoia Capital.
Aftermath
The round was reported to place the company’s private valuation at approximately $5.675 billion.
Series C financing and reported valuation. $675 million raised; approximately $5.675 billion reported valuation (April 2022)
2021
Open the Las Vegas Convention Center LoopProduct launchBackground
TBC sought to demonstrate its underground transportation model through a real passenger-serving installation.
Action taken
The company completed and opened the initial three-station Las Vegas Convention Center Loop.
Aftermath
The project became TBC’s principal operating reference and the foundation for proposed expansion of the Vegas Loop.
2018
Spin the company out of SpaceXStrategyBackground
TBC began as a subsidiary of SpaceX while developing its own construction and transportation business.
Action taken
The company was separated from SpaceX and organized as an independent corporation.
Aftermath
The spin-off enabled TBC to raise outside capital and pursue infrastructure projects independently.
Recent events
- 2023
The Boring Company moves headquarters and engineering operations to Bastrop[1]
Other
The company relocated its headquarters and engineering facilities to Bastrop, Texas.
- 2022
The Boring Company announces a $675 million Series C financing[1]
Other
Vy Capital and Sequoia Capital led a private financing round reported to value TBC at approximately $5.675 billion.
- 2021
Las Vegas Convention Center Loop opens[1]
Product launch · Product generation
TBC completed a three-station underground transportation system at the Las Vegas Convention Center.
- 2020
Not-a-Boring Competition launches[1]
Campaign
TBC announced a student engineering competition focused on building faster and more capable tunnel-boring systems.
- 2019
Steve Davis becomes president[1]
Leadership change
Steve Davis, an early SpaceX employee who had led work for Musk, became TBC president.
- 2019
The Boring Company raises a $120 million private stock round[1]
Other
TBC sold stock to venture-capital investors in a private financing round.
- 2018
The Boring Company becomes a separate corporation[1]
Other
TBC was spun out of SpaceX and began operating as an independent corporate entity.
- 2018
Hawthorne test tunnel is completed[1]
Product launch
TBC completed and later demonstrated its first test tunnel in Hawthorne, California.
- 2018
The company sells its Not-a-Flamethrower product[1]
Campaign · Other
A limited merchandise release originally marketed as a flamethrower sold out rapidly and was renamed Not-a-Flamethrower after customs concerns.
- 2017
The Boring Company is established as a SpaceX subsidiary[1]
Other
The company was formally registered after Musk publicly proposed a tunnel-focused infrastructure venture.
Sources8 sources
- 1The Boring Companyen.wikipedia.org
- 2Elon Musk's Boring Co. turns to Middle East for expansion in reaching $23 billion valuationcnbc.com
- 3Elon Musk's Boring Company plans 200+ mph Texas hyperloop tunnel - Fox Businessnews.google.com
- 4Elon Musk’s latest Boring Company pitch involves a Hyperloop between Austin and San Antoniotechcrunch.com
- 5Elon Musk's tunnel company just got a fresh $3 billion injection, thanks to the United Arab Emirates - moneywise.comnews.google.com
- 6The Boring Company buys Nashville property for $7 million. Here’s what we know - WSMVnews.google.com
- 7The Boring Company raises $3B in round led by UAEtechcrunch.com
- 8The Boring Company to build nearly mile-long tunnel at Morgan’s campus - blooloopnews.google.com
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