Rail and Highway Transmission Planning Act
- Sponsor
- Rep. Mullin, Kevin [D-CA-15]
- Committees
- Energy and Commerce Committee (primary)
- Last action
- Feb 5, 2026
Bottom line
This bill mandates a detailed federal study to explore using existing transportation corridors for new high-voltage electric transmission lines, aiming to streamline infrastructure development and improve energy reliability and affordability for consumers.
What it actually does
This bill directs the Secretary of Energy to conduct a comprehensive study, in consultation with the Secretary of Transportation, the Federal Energy Regulatory Commission, and National Laboratories, on the potential benefits and challenges of constructing high-voltage transmission infrastructure within existing highway and rail rights-of-way. The study aims to identify best practices, technically feasible locations, and potential impacts to accelerate transmission development across the United States. It also mandates the development of an interagency action plan and resources for stakeholders.
Proponents argue
Supporters argue that utilizing existing transportation rights-of-way can significantly accelerate the deployment of critical high-voltage transmission infrastructure by reducing land acquisition and permitting hurdles. This approach could alleviate energy capacity constraints, lower energy costs for consumers, and enhance grid reliability by leveraging established corridors, which are often underutilized for energy transmission purposes.
Opponents contend
Critics might contend that co-locating high-voltage transmission lines with active transportation corridors could introduce new safety risks, operational complexities for railroads and highways, and potential environmental impacts on adjacent communities. They may also question the cost-effectiveness and necessity of a comprehensive study, suggesting existing data might suffice or that other approaches to transmission development are more efficient and less intrusive.
The bill is concise and clearly structured, making it accessible for a reader to understand its core purpose and provisions within a short timeframe.
Section 3
Study on Co-locating High-Voltage Transmission Infrastructure on Transportation Rights-of-Way
This section directs the Secretary of Energy, in collaboration with the Secretary of Transportation, the Federal Energy Regulatory Commission, and National Laboratories, to conduct a comprehensive study. The study will evaluate the benefits and challenges of building high-voltage transmission lines along existing highway and rail rights-of-way. It includes reviewing past projects, identifying best practices for planning and permitting, assessing technical feasibility, identifying suitable locations, evaluating various transmission configurations, and analyzing costs, benefits, funding mechanisms, and impacts on grid reliability, energy costs, and safety. The Secretary must also develop an interagency action plan and resources for stakeholders.
Supporters argue
Supporters argue that this study is a crucial first step to unlock the vast potential of existing transportation corridors for urgently needed transmission infrastructure. By systematically evaluating the technical, economic, and safety aspects, the study will provide a roadmap for efficient development, overcoming common siting and permitting challenges that currently delay projects and drive up costs.
Critics contend
Critics might argue that while the concept has merit, a multi-year, comprehensive study might be an unnecessary delay or an inefficient use of resources, especially if some of the data or best practices are already known or could be gathered more quickly. Concerns could also be raised about the potential for the study to downplay significant safety or environmental risks associated with co-location.
Tradeoffs
The bill navigates the tension between the urgent need for new energy transmission infrastructure to meet growing demand and integrate renewable energy, and the complex challenges associated with siting, permitting, and ensuring safety and environmental protection when developing such infrastructure, particularly within existing, active transportation corridors.
This subsection defines key terms used throughout the bill, including 'covered right-of-way' (highway and rail rights-of-way, including abandoned railroads), 'National Laboratory,' and 'railroad carrier.'
Section 3(d)
Why it matters:This is standard legislative practice to ensure clarity and precision in the application of the law, rather than an attempt to obscure information.
Case for: Clearly delineating the scope of the study by defining 'covered right-of-way' ensures that all relevant types of transportation corridors are considered and that key entities are properly identified, preventing ambiguity in the study's execution.
Case against: No specific case against, as these are standard definitional provisions essential for legislative clarity.
Estimated impact: These definitions clarify the broad scope of infrastructure that could be considered for co-location, potentially expanding the pool of viable transmission routes and ensuring comprehensive analysis by the mandated study.