Elon Musk’s tunnel-construction venture, the Boring Company, is facing increasing political and environmental scrutiny as it progresses with underground transit projects in Tennessee and Nevada. The company’s initial 13-mile route in Nashville, known as the Music City Loop, will connect the airport with the downtown convention center and the state capitol, but local officials and community members have expressed concerns over the project’s transparency and feasibility.

State Senator Heidi Campbell, a Democrat, criticized the approval process as lacking openness. She and her colleagues say they were blindsided by the project’s announcement, receiving minimal information from Governor Bill Lee, a Trump ally, only shortly before a public unveiling, and excluded from subsequent discussions. Campbell described the rollout as “abnormally opaque,” arguing the administration sought to minimize legislative input. She and others have raised several issues, including doubts over the system’s ability to ease congestion meaningfully, the potential environmental risks posed by Nashville’s geology and groundwater, and worries that if the venture fails, local taxpayers will bear the financial burden.

The Nashville project has sparked protests and opposition framed as prioritizing political alignment over practical urban planning. Campbell suggested the state’s Republican leadership is eager to associate with Musk due to his political and commercial ties, possibly at the expense of thoroughly vetting the initiative. Tennessee already hosts Musk’s Colossus data center, which powers various ventures including his Grok AI and SpaceX operations. This facility has attracted criticism for relying on methane gas turbines, which pose environmental concerns.

Similarly, in Nevada, where Tesla’s Gigafactory opened in 2016 near Reno, the Boring Company’s plans have benefited from substantial public incentives, including a reported $1.2 billion tax package. Steve Hill, the former director of the Governor’s Office of Economic Development and now CEO of the Las Vegas Convention and Visitors Authority (LVCVA), played a key role in bringing the Boring Company to Las Vegas and is said to remain actively involved in expanding the system throughout the region. The close involvement of political and economic stakeholders underscores the intertwined nature of Musk’s ventures with state interests.

Experts highlight Musk’s pattern of cultivating strategic relationships with government entities to gain monopoly-like advantages in emerging sectors, often leveraging public funding. Musk’s SpaceX, for example, has benefited from NASA contracts and publicly funded infrastructure, while Tesla’s revenue is significantly supported by government carbon credits. A 2025 report noted Musk’s companies had received some $38 billion in government funding overall.

Despite Musk’s ambitious vision for transforming transportation infrastructure, analysts caution that the physical and regulatory challenges of subterranean transit are substantial. Plans for expansion, including a project in Dubai, have yet to gain widespread traction. Meanwhile, Musk’s broader business focus appears to be shifting toward ventures with larger immediate impact and financial scale, such as SpaceX’s recent public valuation exceeding $2 trillion and its planned ventures in space-based AI data centers, asteroid mining, and lunar and Martian transport.

While the Boring Company may one day deliver driverless underground transit moving at high speeds, its current status remains peripheral within Musk’s sprawling empire. The future of the company—and its promise of revolutionizing urban mobility—remains uncertain amid environmental reservations, political contention, and ambitious goals that may prove difficult to realize.